<10=less than 10 LD from Earth

EBN Timeline for January 2018

<SI=inside Earth SOI (sphere of influence)
M<1=less than 1 LD from the Moon
E<1=less than 1 LD from Earth (intruder)
LD = lunar distance (average Earth-Moon distance)
31 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1
03292018 BS6 exits 10-LD bubble10000
03252018 CK exits Earth SOI11000
30 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
23022018 BU1 exits 10-LD bubble1110023442018 CH closest Earth approach = 4.63 LD
16042018 AJ exits 10-LD bubble1210021142018 CK closest lunar approach = 1.43 LD
15042018 BM5 exits 10-LD bubble1310016412018 BQ6 closest Earth approach = 3.61 LD
12352018 CS1 enters 10-LD bubble141001551discovery MPEC issued for 2018 BS6
05052018 BA3 exits 10-LD bubble131001548discovery MPEC issued for 2018 BQ6
03382018 CK enters Earth SOI141001544discovery MPEC issued for 2018 BU6
1537discovery MPEC issued for 2018 BP6
15312018 CK closest Earth approach = 1.77 LD
12292018 BQ6 last observed optically, by Tenagra II Obs. at 3.63 LD inbound, R=19.4 reported
12192018 BS6 last observed optically, by Tenagra II Obs. at 8.99 LD outbound, R=20.1 reported, elon. 83.2°
09022018 BE6 closest Earth approach = 3.40 LD
06002018 BE6 last observed optically, by Tenagra II Obs. at 3.43 LD inbound, R=16.1 reported
28 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
16592018 BN6 exits 10-LD bubble140001841discovery MPEC issued for 2018 BJ6
12402018 BU6 exits 10-LD bubble150001800discovery MPEC issued for 2018 BN6
02292018 AH12 enters 10-LD bubble160001705discovery MPEC issued for 2018 BE6
1702discovery MPEC issued for 2018 BF6
11162018 BP3 last observed optically, by Spacewatch 1.8m at 13.18 LD outbound, V=21.57 calculated
08372018 BJ6 last observed optically, by ARO Westfield at 4.78 LD outbound, V=20.2 reported
08142018 BS6 closest Earth approach = 7.22 LD
07172018 AA4 last observed optically, by ARO Westfield at 44.46 LD outbound, V=22.4 reported
05372018 BF6 last observed optically, by MLS at 27.17 LD outbound, G=20.8 reported
04122018 BU6 designation credited to CSS at 8.92 LD outbound, G=17.6 reported, elon. 141.1°
03312018 BF5 last observed optically, by Steward Mt. Lemmon Sta. at 21.60 LD outbound, G=19.9 reported
02282018 BM5 last observed optically, by Steward Mt. Lemmon Sta. at 6.02 LD outbound, G=19.8 reported, elon. 94.8°
27 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22042018 BE6 enters 10-LD bubble1500014562018 BQ closest Earth approach = 9.27 LD
20092018 BX exits 10-LD bubble1400012242018 AJ last observed optically, by Spacewatch 0.9m at 6.80 LD outbound, R=17.6 reported
15382018 CK enters 10-LD bubble1500011252018 BA3 last observed optically, by Tenagra II Obs. at 5.52 LD outbound, R=20.6 reported
10092018 AL12 exits 10-LD bubble1400009082018 BS6 designation credited to CSS at 7.60 LD inbound, G=18.7 reported, elon. 120.3°
04302018 CH enters 10-LD bubble1500008282018 BQ6 designation credited to MLS at 8.45 LD inbound, G=20.4 reported, elon. 161.0°
08282018 BP6 designation credited to MLS at 28.41 LD inbound, G=19.2 reported, elon. 161.1°
07562018 BQ5 last observed optically, by Steward Mt. Lemmon Sta. at 16.03 LD outbound, G=20.8 reported
04592018 BU1 closest Earth approach = 3.06 LD
04382018 BN6 observed first, by CSS at 6.53 LD outbound, G=19.2 reported, elon. 164.8°
04382018 BN6 designation credited to MLS at 6.53 LD outbound, G=19.0 reported, elon. 164.8°
26 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
14452018 BQ6 enters 10-LD bubble140001802discovery MPEC issued for 2018 BZ5
11002018 BP3 exits 10-LD bubble130001758discovery MPEC issued for 2018 BY5
1748discovery MPEC issued for 2018 BX5
11342018 BY5 last observed optically, by Steward Mt. Lemmon Sta. at 17.31 LD outbound, G=20.3 reported
08152018 BM5 closest Earth approach = 4.83 LD
02562018 BH3 first observed by radar, from Arecibo at 12.46 LD outbound, V=18.71 calculated
02282018 BM5 last observed by radar, from Arecibo at 4.85 LD inbound, V=19.35 calculated
02252018 AL12 closest Earth approach = 8.12 LD
02062018 BM5 first observed by radar, from Arecibo at 4.86 LD inbound, V=19.34 calculated
01132018 BU6 closest Earth approach = 4.77 LD
25 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
21522018 BX5 exits 10-LD bubble1400023292018 BU1 last observed optically, by Great Shefford Obs. at 4.37 LD inbound, G=16.4 reported
15102018 BZ5 exits 10-LD bubble150002034discovery MPEC issued for 2018 BQ5
13062018 BS6 enters 10-LD bubble160002019discovery MPEC issued for 2018 BO5
08282018 BN6 exits Earth SOI150002010discovery MPEC issued for 2018 BM5
1948discovery MPEC issued for 2018 BF5
1944discovery MPEC issued for 2018 BD5
10142018 BL11 last observed optically, by CSS-Kuiper at 11.80 LD outbound, G=21.6 reported
09462018 AL12 last observed optically, by Steward Mt. Lemmon Sta. at 8.68 LD inbound, G=18.5 reported
08332018 BZ5 designation credited to MLS at 9.46 LD outbound, G=19.5 reported, elon. 133.7°
08282018 BX5 last observed optically, by Sandlot Obs. at 9.01 LD outbound, R=21.2 reported
08042018 BW1 last observed optically, by CSS-Kuiper at 15.55 LD outbound, G=20.9 reported
07172018 BO5 last observed optically, by CSS-Kuiper at 34.07 LD outbound, G=21.2 reported
05362018 BJ6 designation credited to MLS at 3.26 LD outbound, G=19.1 reported, elon. 154.0°
04542018 BF6 designation credited to CSS at 15.19 LD outbound, G=19.1 reported, elon. 155.2°
04482018 BE6 designation credited to CSS at 20.12 LD inbound, G=20.7 reported, elon. 140.1°
24 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
20172018 BH3 exits 10-LD bubble1510021402018 BA3 closest Earth approach = 3.01 LD
18412018 AL12 enters 10-LD bubble1610012052018 BH1 last observed optically, by Spacewatch 1.8m at 89.67 LD outbound, R=22.6 reported
17202018 BL11 exits 10-LD bubble1510010102018 BY5 designation credited to MLS at 12.04 LD outbound, G=20.0 reported, elon. 119.2°
15272018 AK12 exits 10-LD bubble1610009282018 BN6 closest Earth approach = 0.94 LD
12552018 BN6 exits Earth-Moon system1710008262018 BN6 closest lunar approach = 1.32 LD
07032018 BD5 exits 10-LD bubble1710107102018 BL11 designation credited to MLS at 8.92 LD outbound, G=20.4 reported, elon. 167.8°
06432018 BC exits Earth SOI1810106152018 BQ5 designation credited to MLS at 10.12 LD outbound, G=20.3 reported, elon. 172.8°
06012018 BN6 enters Earth-Moon system1820106062018 BX5 designation credited to MLS at 7.07 LD outbound, G=20.3 reported, elon. 176.7°
04392018 BQ5 exits 10-LD bubble18200
23 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
17182018 BF6 exits 10-LD bubble1920021372018 BJ6 closest Earth approach = 3.07 LD
14292018 BD exits 10-LD bubble202001634discovery MPEC issued for 2018 BP3
13452018 BU6 enters 10-LD bubble212001306discovery MPEC issued for 2018 BH3
12572018 BY5 exits 10-LD bubble202001306discovery MPEC issued for 2018 BF3
11002018 BU1 enters 10-LD bubble2120012242018 AJ closest Earth approach = 4.64 LD - Note: JPL reports an approach to 4.65 LD .
10282018 BN6 enters Earth SOI2020008402018 BB3 last observed optically, by CSS-Kuiper at 30.94 LD outbound, G=21.7 reported
06262018 BO5 designation credited to MLS at 28.53 LD outbound, G=20.8 reported, elon. 176.4°
05462018 BM5 designation credited to CSS at 8.00 LD inbound, G=19.7 reported, elon. 170.5°
05062018 AK12 closest Earth approach = 6.97 LD
04392018 BF3 last observed optically, by Steward Mt. Lemmon Sta. at 12.25 LD outbound, G=20.0 reported
22 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
14132018 BQ enters 10-LD bubble2010023252018 BZ5 closest Earth approach = 6.81 LD
10392018 BF3 exits 10-LD bubble1910011222018 BX5 observed first, by PS1 at 4.04 LD outbound, w=19.1 reported, elon. 169.7°
09512018 BW exits 10-LD bubble2010008382018 BP3 designation credited to MLS at 3.68 LD outbound, G=18.8 reported, elon. 164.9°
06152018 AG4 exits 10-LD bubble2110006442018 AJ last observed by radar, from Arecibo at 4.89 LD inbound, V=16.14 calculated
02082018 BM5 enters 10-LD bubble2210006252018 AJ first observed by radar, from Arecibo at 4.90 LD inbound, V=16.14 calculated
04342018 BF5 designation credited to CSS at 10.70 LD outbound, G=16.8 reported, elon. 152.0°
04022018 BD5 designation credited to CSS at 7.41 LD outbound, G=18.5 reported, elon. 140.9°
21 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
18452018 AK12 enters 10-LD bubble211002353discovery MPEC issued for 2018 BB3
18012018 BX exits Earth SOI201002345discovery MPEC issued for 2018 BA3
17572018 BR1 exits 10-LD bubble2020022082018 BF6 closest Earth approach = 6.64 LD
17092018 BL11 exits Earth SOI21200
14372018 BF5 exits 10-LD bubble21300
11222018 BP3 exits Earth SOI22300
09142018 BX5 exits Earth SOI22400
02562018 BC exits Earth-Moon system22500
01362018 BL11 exits Earth-Moon system22501
20 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
17292018 BL11 more than one LD from Moon2250220472018 BY5 closest Earth approach = 6.45 LD - Note: JPL reports an approach to 6.45 LD (6.38 minimum) .
14052018 BL11 enters Earth-Moon system2251219502018 BL11 closest Earth approach = 0.79 LD - Note: JPL reports an approach to 0.79 LD (0.78 minimum) with an uncertainty of +/- 19 minutes.
11452018 BX exits Earth-Moon system2251116222018 BX closest lunar approach = 1.29 LD
07382018 BZ5 enters 10-LD bubble2251214402018 AT2 last observed optically, by Tholen 2.24m at 15.53 LD outbound, G=22.13 reported
06532018 AS2 exits 10-LD bubble2151213392017 YO5 last observed optically, by Tholen 2.24m at 48.71 LD outbound, G=23.46 reported
04142018 BL11 within one LD of Moon225121305discovery MPEC issued for 2017 YM14
02582018 BF6 enters 10-LD bubble225021305discovery MPEC issued for 2017 YL14
01582018 BN6 enters 10-LD bubble215021305discovery MPEC issued for 2017 YK14
12042018 BC last observed optically, by Tholen 2.24m at 0.81 LD outbound, G=18.27 reported
10512018 BL11 closest lunar approach = 0.72 LD
10462018 CC observed first, by PS1 at 41.63 LD inbound, w=23.1 reported, elon. 152.0°
10422018 CP2 observed first, by PS1 at 81.91 LD inbound, w=22.5 reported, elon. 159.2°
10382018 BD5 closest Earth approach = 6.61 LD
10102018 BH3 closest Earth approach = 4.14 LD
10092018 BX5 closest Earth approach = 1.68 LD
09562018 BH3 designation credited to CSS at 4.14 LD inbound, G=17.8 reported, elon. 113.8°
08312018 AU18 last observed optically, by MLS at 20.34 LD outbound, V=22.68 calculated
07502018 AK12 last observed optically, by Steward Mt. Lemmon Sta. at 16.06 LD inbound, G=19.2 reported
06432018 BF3 designation credited to CSS at 3.53 LD outbound, G=16.8 reported, elon. 148.6°
05092018 AV2 first observed by radar, from Arecibo at 6.70 LD outbound, V=20.55 calculated
03512018 BC closest lunar approach = 1.76 LD
03282018 BP3 closest Earth approach = 1.19 LD
01422018 BQ5 closest Earth approach = 5.11 LD
19 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22322018 BL11 enters Earth SOI205022359discovery MPEC issued for 2018 BR1
21302018 BF3 exits Earth SOI204022351discovery MPEC issued for 2018 BH1
20012018 BD exits Earth SOI205022332discovery MPEC issued for 2018 BW1
19022018 BW1 exits 10-LD bubble206022325discovery MPEC issued for 2018 BU1
14312018 BA3 enters 10-LD bubble2160222592018 BX closest Earth approach = 0.73 LD
12352018 BD more than one LD from Moon2060222562018 BX5 closest lunar approach = 1.44 LD
11032018 BX5 enters Earth SOI2061220222018 BC closest Earth approach = 0.73 LD
10142018 BX enters Earth-Moon system205121306discovery MPEC issued for 2018 BX
09102018 BF3 exits Earth-Moon system2051111592018 BF5 closest Earth approach = 8.76 LD
03332018 AU2 exits 10-LD bubble2051211132018 BP3 closest lunar approach = 1.34 LD
03182018 BD exits Earth-Moon system2151203152018 BR1 last observed optically, by Great Shefford Obs. at 4.98 LD outbound, G=21.3 reported
02592018 BF3 closest Earth approach = 0.63 LD
02382018 BD closest lunar approach = 0.48 LD
02372018 BX last observed optically, by Schwarzschild Obs. at 1.31 LD inbound, V=18.6 reported
0159distant 2012 OQ observed first, by Spacewatch 1.8m at 90.52 LD, R=21.5 reported, elon. 59.7°
18 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
21532018 BB3 exits 10-LD bubble2151319242018 BF3 closest lunar approach = 1.07 LD
20482018 BF3 enters Earth-Moon system225131822discovery MPEC issued for 2018 BW
19322018 BP3 enters Earth SOI225121745discovery MPEC issued for 2018 BQ
16462018 BD within one LD of Moon2241215422018 BD closest Earth approach = 0.10 LD
13502018 BC enters Earth-Moon system224021523discovery MPEC issued for 2018 BD
09262018 AG4 exits Earth SOI2240112152018 BD last observed optically, by CSS at 0.32 LD inbound, G=14.6 reported
08282018 BF3 enters Earth SOI2250112132018 BW last observed optically, by Sandlot Obs. at 4.28 LD outbound, R=19.7 reported
04492018 BY5 enters 10-LD bubble2240109432018 BX designation credited to CSS at 2.12 LD inbound, G=19.5 reported, elon. 127.9°
04062018 BD enters Earth-Moon system2140109062018 BX observed first, by CSS at 2.15 LD inbound, G=19.0 reported, elon. 127.8°
03592018 BX enters Earth SOI2140007442018 BB3 designation credited to CSS at 7.59 LD outbound, G=18.5 reported, elon. 154.7°
07162018 BD designation credited to CSS at 0.73 LD inbound, V=17.10 calculated, elon. 171.1°
07042018 BW1 designation credited to CSS at 9.13 LD outbound, G=20.1 reported, elon. 161.9°
06392018 BD observed first, by CSS at 0.79 LD inbound, V=17.26 calculated, elon. 170.9°
06062018 BU1 designation credited to CSS at 23.06 LD inbound, G=18.9 reported, elon. 164.0°
05342018 BA3 designation credited to MLS at 12.38 LD inbound, G=20.6 reported, elon. 126.9°
0032discovery MPEC issued for 2018 BC
17 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
18542018 BR1 exits Earth SOI213002334discovery MPEC issued for 2018 AL12
11232018 BD enters Earth SOI214002330discovery MPEC issued for 2018 AK12
09132018 BF5 enters 10-LD bubble213002326discovery MPEC issued for 2018 AH12
05222018 BW exits Earth SOI2030019542018 AG4 closest lunar approach = 2.02 LD
03332018 AT2 exits 10-LD bubble2040012192018 BG11 last observed optically, by Micheli/Mauna Kea at 21.77 LD outbound, G=22.3 reported
00572018 BR1 exits Earth-Moon system2140011032018 BW designation credited to CSS at 2.75 LD outbound, G=18.5 reported, elon. 117.7°
10402018 AG4 closest Earth approach = 1.40 LD
09372018 AJ3 last observed optically, by Steward Mt. Lemmon Sta. at 11.31 LD outbound, G=20.6 reported
09022018 BR1 designation credited to CSS at 1.63 LD outbound, G=17.9 reported, elon. 146.1°
08122018 AG4 last observed optically, by Spacewatch 1.8m at 1.42 LD inbound, V=15.62 calculated
06142018 BC designation credited to CSS at 1.55 LD inbound, G=17.9 reported, elon. 133.5°
05022018 BC observed first, by CSS at 1.57 LD inbound, G=18.2 reported, elon. 133.1°
02372018 BB3 closest Earth approach = 4.76 LD
16 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22152018 BL11 enters 10-LD bubble214012018discovery MPEC issued for 2018 AW11
13342018 BD5 enters 10-LD bubble2040113212018 BR1 closest Earth approach = 0.34 LD
11552018 AG4 enters Earth SOI1940111492018 BG11 designation credited to PS1 at 20.80 LD outbound, w=22.2 reported, elon. 144.6°
10402018 AJ enters 10-LD bubble1930111152018 BG11 observed first, by PS1 at 20.78 LD outbound, w=22.7 reported, elon. 144.6°
05382018 BW exits Earth-Moon system1830108232018 BH1 designation credited to PS1 at 62.51 LD outbound, w=22.1 reported, elon. 171.0°
01452018 BR1 enters Earth-Moon system1830206442018 BW1 closest Earth approach = 8.67 LD
05362018 BR1 closest lunar approach = 1.11 LD
05252017 YV8 last observed optically, by Tholen Subaru at 53.72 LD outbound, G=24.56 reported
04132018 BQ designation credited to MLS at 12.54 LD inbound, G=20.1 reported, elon. 115.3°
15 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
23332018 BH3 enters 10-LD bubble183011843discovery MPEC issued for 2018 AA4
22052018 BQ5 enters 10-LD bubble173011834discovery MPEC issued for 2018 AG4
19162018 BF3 enters 10-LD bubble1630115112018 BW closest Earth approach = 0.43 LD
18412018 BW more than one LD from Moon1530111392018 BM5 observed first, by PS1 at 23.01 LD inbound, w=22.4 reported, elon. 138.3°
16512018 AS2 exits Earth SOI1531111372018 AV2 closest Earth approach = 6.66 LD - Note: JPL reports an approach to 6.66 LD at 1144 UTC with an uncertainty of +/- one minute.
16152018 AT18 exits 10-LD bubble1541110422018 BW closest lunar approach = 0.82 LD
14242018 AW11 exits 10-LD bubble1641110352018 AT18 last observed optically, by Steward Mt. Lemmon Sta. at 9.68 LD outbound, G=21.3 reported
11452018 AU18 exits 10-LD bubble1741109012018 AU18 designation credited to MLS at 9.76 LD outbound, G=21.1 reported, elon. 126.5°
10222018 BC enters Earth SOI18411
07482018 BR1 enters Earth SOI18311
07182018 BB3 enters 10-LD bubble18211
06042018 BO5 exits 10-LD bubble17211
02362018 BW within one LD of Moon18211
00452018 BW enters Earth-Moon system18201
14 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22012018 BX5 enters 10-LD bubble1820021312018 AS2 closest lunar approach = 1.10 LD
19012018 AJ3 exits 10-LD bubble172002055discovery MPEC issued for 2018 AJ3
01372018 AA4 exits 10-LD bubble1820013272018 CJ observed first, by PS1 at 141.08 LD inbound, w=22.7 reported, elon. 152.8°
01012018 BW enters Earth SOI1920013202018 AL12 designation credited to PS1 at 52.15 LD inbound, w=21.6 reported, elon. 156.9°
1319discovery MPEC issued for 2018 AV2
13162018 AK12 designation credited to PS1 at 44.24 LD inbound, w=21.9 reported, elon. 159.3°
1240discovery MPEC issued for 2018 AU2
12162018 AU2 closest Earth approach = 2.73 LD
11172018 AS2 closest Earth approach = 1.16 LD
10252018 AH12 designation credited to PS1 at 25.38 LD inbound, w=22.1 reported, elon. 155.7°
09302018 AT18 designation credited to MLS at 8.31 LD outbound, G=20.8 reported, elon. 132.4°
09212017 VA15 last observed optically, by ARO Westfield at 71.18 LD outbound, V=23.1 reported
08552015 DP155 observed first, by Spacewatch 1.8m at 198.40 LD inbound, R=22.2 reported, elon. 127.1°
08132017 XN60 last observed optically, by ARO Westfield at 64.25 LD outbound, V=23.3 reported
0712distant 2008 UB95 last observed optically, by ARO Westfield at 100.01 LD, V=23.3 reported
0712distant 2008 UB95 last observed optically, by ARO Westfield at 100.01 LD, V=23.3 reported
0631distant 2008 UB95 observed first, by ARO Westfield at 100.06 LD, V=23.1 reported, elon. 155.1°
0631distant 2008 UB95 observed first, by ARO Westfield at 100.06 LD, V=23.1 reported, elon. 155.1°
05592018 AG4 designation credited to CSS at 6.73 LD inbound, G=18.3 reported, elon. 148.4°
0539distant 2014 EY24 observed first, by ARO Westfield at 87.08 LD, V=22.1 reported, elon. 158.8°
04512018 AU2 last observed optically, by Steward Mt. Lemmon Sta. at 2.80 LD inbound, G=17.9 reported
04382018 AW11 designation credited to MLS at 8.65 LD outbound, G=18.8 reported, elon. 142.3°
0142discovery MPEC issued for 2018 AT2
0136discovery MPEC issued for 2018 AS2
13 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
19342018 BP3 enters 10-LD bubble1910013252018 AS2 last observed optically, by MLS at 1.94 LD inbound, G=18.2 reported
17032018 BD enters 10-LD bubble1810011362018 CX observed first, by PS1 at 77.83 LD inbound, w=22.8 reported, elon. 155.6°
05432018 AS2 enters Earth SOI1710009442018 BO5 closest Earth approach = 8.64 LD - Note: JPL reports an approach to 8.64 LD (8.55 minimum) with an uncertainty of +/- 13 minutes.
07492018 AV2 designation credited to MLS at 6.67 LD inbound, G=21.0 reported, elon. 161.5°
07072018 AA4 designation credited to CSS at 8.30 LD outbound, V=18.49 calculated, elon. 160.4°
05502018 AU2 designation credited to MLS at 3.80 LD inbound, G=18.3 reported, elon. 154.8°
12 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
17502018 BW1 enters 10-LD bubble1700008002018 AT2 designation credited to CSS at 2.77 LD outbound, V=18.04 calculated, elon. 157.7°
15252018 AG4 enters 10-LD bubble1600007562018 AS2 designation credited to MLS at 3.84 LD inbound, G=19.6 reported, elon. 150.8°
04362018 BJ6 enters 10-LD bubble1500007292018 AJ3 designation credited to MLS at 8.95 LD outbound, G=20.2 reported, elon. 164.1°
02182018 BX enters 10-LD bubble140000343distant 2013 AT72 last observed optically, by Tenagra II Obs. at 36.37 LD, R=20.9 reported
00192018 AT2 exits Earth SOI130000332distant 2013 AT72 observed first, by Tenagra II Obs. at 36.36 LD, R=21.6 reported, elon. 125.7°
11 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
14302018 AU18 exits Earth SOI1310006482018 AT2 closest lunar approach = 2.71 LD
13192018 BO5 enters 10-LD bubble1320002252018 AU18 closest lunar approach = 0.93 LD
08352018 BR1 enters 10-LD bubble1220001092018 AT2 closest Earth approach = 1.83 LD
06052018 AU18 more than one LD from Moon11200
10 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22452018 AU18 within one LD of Moon1121021332018 AU18 closest Earth approach = 1.87 LD
04362018 AU18 enters Earth SOI1120019582018 AW11 closest Earth approach = 7.09 LD
02002018 AT2 enters Earth SOI111001005distant 207398 2006 AS2 last observed optically, by PS1 at 274.39 LD, w=21.4 reported
0911distant 207398 2006 AS2 observed first, by PS1 at 274.43 LD, w=21.6 reported, elon. 143.3°
03292018 AA4 closest Earth approach = 3.53 LD
9 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
21272018 AU2 enters 10-LD bubble1100018262018 AT18 closest Earth approach = 4.47 LD - Note: JPL reports an approach to 4.47 LD (4.43 minimum) with an uncertainty of +/- 7 minutes.
14092006 XY last observed optically, by PS1 at 28.05 LD outbound, i=20.8 reported
07552018 BU1 observed first, by MLS at 46.69 LD inbound, G=21.0 reported, elon. 165.0°
8 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1
20512017 YK14 exits 10-LD bubble10000
20242018 BW enters 10-LD bubble11000
15502018 AS2 enters 10-LD bubble10000
7 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
04412017 YS1 exits 10-LD bubble90001303discovery MPEC issued for 2017 YV8
1303discovery MPEC issued for 2017 WF30
1303discovery MPEC issued for 2017 WE30
6 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
18092017 YD7 exits 10-LD bubble100002350discovery MPEC issued for 2018 AH
07392018 AU18 enters 10-LD bubble110002346discovery MPEC issued for 2018 AJ
05052018 AA4 enters 10-LD bubble10000
00202018 AW11 enters 10-LD bubble9000
5 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
10172018 AH exits 10-LD bubble800012142018 AJ3 closest Earth approach = 7.58 LD
10352017 YM1 last observed optically, by Spacewatch/KPNO at 51.70 LD outbound, V=22.87 calculated
04082018 AJ designation credited to MLS at 23.66 LD inbound, G=20.8 reported, elon. 139.6°
4 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22232018 AT2 enters 10-LD bubble900013222018 AH designation credited to ATLAS Mauna Loa at 7.34 LD outbound, o=15.6 reported, elon. 129.3°
3 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
20322018 AT18 enters 10-LD bubble800008112018 AH observed first, by PTF at 3.64 LD outbound, V=14.39 calculated, elon. 122.4°
00212017 YU1 exits 10-LD bubble700000392017 YD7 closest Earth approach = 4.73 LD
2 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
22102018 AH exits Earth SOI80002018discovery MPEC issued for 2017 YF8
20442018 BG11 exits 10-LD bubble810009562018 AH closest lunar approach = 1.42 LD
09212018 AH exits Earth-Moon system910004242018 AH closest Earth approach = 0.77 LD
08492017 YZ4 exits 10-LD bubble9101
1 Jan. 2018
UTBoundary Transitions<10<SIM<1E<1Events
23332017 YW3 exits 10-LD bubble1010122562017 YD7 last observed optically, by Great Shefford Obs. at 5.37 LD inbound, G=19.4 reported
23272018 AH enters Earth-Moon system1110112372017 YF8 last observed optically, by Spacewatch/KPNO at 18.24 LD outbound, V=21.62 calculated
22342017 YE7 exits 10-LD bubble11100
10382018 AH enters Earth SOI12100
07592017 YD2 exits 10-LD bubble12000


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