<10=less than 10 LD from Earth

EBN Timeline for December 2017

<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 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22032017 YB6 exits 10-LD bubble1300007012017 YJ1 last observed optically, by Spacewatch/KPNO at 30.49 LD outbound, R=21.9 reported
13192017 YE exits 10-LD bubble14000
05472017 YE7 exits Earth SOI15000
00332017 YD1 exits 10-LD bubble15100
30 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
20562017 YE7 exits Earth-Moon system161001929discovery MPEC issued for 2017 YE7
19232017 WZ14 exits 10-LD bubble161011906discovery MPEC issued for 2017 YD7
16442017 YL14 exits 10-LD bubble1710117462017 YE7 closest Earth approach = 0.80 LD
15272017 YQ6 exits 10-LD bubble1810114072017 YE7 closest lunar approach = 1.36 LD
14352017 YE7 enters Earth-Moon system191011303distant 2007 WM3 last observed optically, by Tenagra II Obs. at 53.65 LD, R=20.4 reported
11142018 BC enters 10-LD bubble1910007212017 YU1 closest Earth approach = 7.74 LD
07142017 YD7 enters 10-LD bubble1810006022017 YD1 last observed optically, by Spacewatch/KPNO at 9.50 LD outbound, V=23.32 calculated
05452017 YE7 enters Earth SOI1710005122017 YE7 last observed optically, by Tenagra II Obs. at 2.50 LD inbound, R=17.7 reported
03022017 WJ16 last observed optically, by Spacewatch/KPNO at 49.62 LD outbound, R=20.9 reported, elon. 81.9°
29 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22362018 AH enters 10-LD bubble170002204discovery MPEC issued for 2017 YQ6
18122017 YZ4 exits Earth SOI1600014352017 YF8 designation credited to PS1 at 13.75 LD outbound, w=20.9 reported, elon. 105.8°
04452018 BH1 exits 10-LD bubble1610013222017 YO5 last observed optically, by Spacewatch 1.8m at 12.53 LD outbound, R=20.4 reported
04452017 YR3 exits 10-LD bubble1710007462017 YQ6 last observed optically, by Sandlot Obs. at 6.44 LD outbound, R=19.6 reported
00592017 YZ4 exits Earth-Moon system1810006032017 YM14 last observed optically, by Tenagra II Obs. at 15.23 LD outbound, R=21.0 reported
00522017 YB6 closest Earth approach = 6.03 LD
28 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
16162017 YZ4 more than one LD from Moon181012305discovery MPEC issued for 2017 YB6
12562017 YE7 enters 10-LD bubble181112301discovery MPEC issued for 2017 YC6
08492017 YQ1 exits 10-LD bubble1711118112018 BG11 closest Earth approach = 8.60 LD - Note: JPL reports an approach uncertainty of +/- one day, one hour, and 3 minutes.
06382017 YZ4 enters Earth-Moon system1811118092017 YZ4 last observed optically, by Great Shefford Obs. at 0.62 LD outbound, G=18.0 reported, elon. 70.9°
00592017 YZ4 within one LD of Moon1811015492017 YZ4 closest Earth approach = 0.58 LD
00092017 YM14 exits 10-LD bubble1810011522017 YC6 last observed optically, by Steward Mt. Lemmon Sta. at 27.42 LD outbound, G=21.2 reported
11292017 YB6 last observed optically, by Tenagra II Obs. at 6.23 LD inbound, R=19.9 reported
08582017 WJ13 last observed optically, by Spacewatch 1.8m at 119.65 LD outbound, V=21.54 calculated
08372017 YZ4 closest lunar approach = 0.68 LD
07392017 YQ6 designation credited to MLS at 3.87 LD outbound, G=18.5 reported, elon. 172.7°
07142017 YT1 last observed optically, by Steward Mt. Lemmon Sta. at 39.48 LD outbound, G=20.4 reported
06422017 YQ6 observed first, by MLS at 3.77 LD outbound, G=18.6 reported, elon. 172.2°
06412017 YE7 designation credited to MLS at 11.18 LD inbound, G=20.8 reported, elon. 170.7°
06372017 YM14 designation credited to MLS at 11.13 LD outbound, G=20.3 reported, elon. 175.7°
06112017 YD7 designation credited to MLS at 14.47 LD inbound, G=20.9 reported, elon. 173.2°
27 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23582017 YO5 exits 10-LD bubble191002046discovery MPEC issued for 2017 YO5
15182017 YQ6 exits Earth SOI2010006512017 YD2 closest lunar approach = 1.37 LD
13592017 YD2 exits Earth SOI2020002392017 YD2 closest Earth approach = 2.24 LD
13252017 YZ4 enters Earth SOI2030002202017 YQ6 closest Earth approach = 1.89 LD
00112017 YF8 exits 10-LD bubble2020001002017 YQ6 closest lunar approach = 1.69 LD
26 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22112018 AJ3 enters 10-LD bubble212001952discovery MPEC issued for 2017 YZ4
19482017 YK14 exits Earth SOI2020014132018 BH1 closest Earth approach = 6.52 LD - Note: JPL reports an approach to 6.52 LD (6.40 minimum) with an uncertainty of +/- 12 minutes.
15202017 YD2 enters Earth SOI2030013242017 YQ1 closest Earth approach = 5.13 LD
15122017 YS1 exits Earth SOI2020011182017 YL14 last observed optically, by Steward Mt. Lemmon Sta. at 5.29 LD outbound, G=20.3 reported
14272017 YU1 enters 10-LD bubble2030008572017 YC6 designation credited to MLS at 21.01 LD outbound, G=20.3 reported, elon. 134.0°
13232017 YQ6 enters Earth SOI1930006382017 YB6 designation credited to MLS at 9.75 LD inbound, G=20.2 reported, elon. 165.9°
03542017 YB6 enters 10-LD bubble1920002322017 YU1 last observed optically, by MLS at 10.56 LD inbound, G=20.2 reported
02352017 YM14 exits Earth SOI18200
02032017 YW exits 10-LD bubble18300
25 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
21572017 YO3 exits 10-LD bubble193001942discovery MPEC issued for 2017 YW3
05242017 YM14 enters Earth SOI203001915discovery MPEC issued for 2017 YR3
1907discovery MPEC issued for 2017 YO3
15592017 YM14 closest Earth approach = 1.52 LD - Note: JPL reports an approach to 1.52 LD (1.50 minimum) with an uncertainty of +/- 7 minutes.
14142017 YM14 closest lunar approach = 1.54 LD
13382017 YR3 closest Earth approach = 8.47 LD
12142017 YK14 last observed optically, by Steward Mt. Lemmon Sta. at 2.00 LD outbound, G=18.1 reported
1147distant 450894 2008 BT18 observed first, by MLS at 502.15 LD, G=22.5 reported, elon. 110.6°
10502017 YO5 designation credited to CSS at 5.90 LD outbound, G=19.4 reported, elon. 112.7°
09592017 YL14 designation credited to MLS at 4.66 LD outbound, G=19.8 reported, elon. 145.3°
09472017 YS1 closest lunar approach = 1.54 LD
09242017 YL14 observed first, by MLS at 4.65 LD outbound, G=20.3 reported, elon. 145.6°
08512017 YK14 designation credited to CSS at 1.97 LD outbound, G=18.5 reported, elon. 152.7°
05392017 YZ4 designation credited to MLS at 7.27 LD inbound, G=18.9 reported, elon. 161.4°
04352017 YV8 designation credited to MLS at 13.57 LD outbound, G=21.3 reported, elon. 143.2°
04072017 YO3 last observed optically, by McDonald Obs. at 8.67 LD outbound, V=21.86 calculated
24 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
17582017 YQ1 enters 10-LD bubble2020021162017 WZ14 closest Earth approach = 7.62 LD
1654discovery MPEC issued for 2017 YD2
16442017 YS1 closest Earth approach = 1.93 LD
14062017 YK14 closest Earth approach = 1.90 LD - Note: JPL reports an approach uncertainty of +/- 9 hours and 48 minutes.
13132017 YL14 closest Earth approach = 4.49 LD
1311496817 1989 VB last observed optically, by ATLAS Haleakala at 149.35 LD outbound, o=19.3 reported
1304discovery MPEC issued for 2017 YT1
12502017 YE last observed optically, by CSS-Kuiper at 3.67 LD outbound, G=21.7 reported
12182017 YD2 last observed optically, by Steward Mt. Lemmon Sta. at 5.35 LD inbound, G=19.9 reported
1050distant 2009 BE58 observed first, by PS1 at 190.12 LD, w=21.6 reported, elon. 145.0°
10302017 YW3 designation credited to ATLAS Haleakala at 5.71 LD outbound, o=18.6 reported, elon. 144.0°
08552017 YQ1 last observed optically, by Tenagra II Obs. at 11.57 LD inbound, R=18.6 reported
05532017 YK14 closest lunar approach = 2.62 LD
0415discovery MPEC issued for 2017 YS1
0411discovery MPEC issued for 2017 YU1
03332017 YS1 last observed optically, by Tenagra II Obs. at 1.98 LD inbound, R=18.7 reported
02002017 YN1 last observed optically, by Schiaparelli Obs. at 11.13 LD outbound, G=19.2 reported
23 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23502018 BH1 enters 10-LD bubble192002132discovery MPEC issued for 2017 YM1
22422017 YZ4 enters 10-LD bubble182002128discovery MPEC issued for 2017 YL1
14192018 BG11 enters 10-LD bubble172002124discovery MPEC issued for 2017 YJ1
13072017 YQ6 enters 10-LD bubble162002121discovery MPEC issued for 2017 YH1
07502017 YM14 enters 10-LD bubble152002109discovery MPEC issued for 2017 YW
07192017 YP1 exits 10-LD bubble142002105discovery MPEC issued for 2017 YQ1
04582006 XY exits 10-LD bubble152002101discovery MPEC issued for 2017 YP1
03322017 YO5 exits Earth SOI162002054discovery MPEC issued for 2017 YN1
02472017 YV8 exits 10-LD bubble163002037discovery MPEC issued for 2017 YD1
01462017 YN1 exits 10-LD bubble173002029discovery MPEC issued for 2017 YB1
08382017 YL1 last observed optically, by Tenagra II Obs. at 17.48 LD outbound, R=19.8 reported
08362017 YD2 designation credited to MLS at 7.37 LD inbound, G=20.8 reported, elon. 161.5°
06272017 YW last observed optically, by CSS-Kuiper at 7.95 LD outbound, G=19.7 reported
04342017 WZ14 last observed optically, by Tenagra II Obs. at 7.84 LD inbound, R=19.4 reported
03302017 YB1 last observed optically, by CSS-Kuiper at 23.01 LD outbound, G=22.0 reported
03222017 YP1 last observed optically, by Holmes/CTIO at 9.59 LD outbound, V=20.1 reported
03202017 YR3 designation credited to MLS at 9.18 LD inbound, G=19.6 reported, elon. 98.5°
22 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
18232017 YS1 enters Earth SOI1830019062017 YW closest Earth approach = 7.90 LD
12182017 XY61 exits 10-LD bubble182001034distant 2007 WM3 observed first, by Tenagra II Obs. at 69.88 LD, R=21.5 reported, elon. 124.3°
11542017 YJ1 exits 10-LD bubble1920010082017 YV8 observed first, by PS1 at 8.82 LD outbound, w=20.6 reported, elon. 141.3°
08452017 XW60 exits 10-LD bubble2020009442017 YU1 designation credited to PS1 at 15.59 LD inbound, w=20.8 reported, elon. 134.8°
08212017 YK14 enters Earth SOI2120008362017 YE closest Earth approach = 2.88 LD
07132017 YQ1 designation credited to MLS at 20.85 LD inbound, G=19.6 reported, elon. 146.7°
06522017 YO3 designation credited to MLS at 3.73 LD outbound, G=19.2 reported, elon. 140.0°
06422017 YT1 designation credited to MLS at 12.75 LD outbound, G=19.1 reported, elon. 141.7°
05102017 YS1 designation credited to MLS at 2.67 LD inbound, G=19.7 reported, elon. 137.2°
03262017 YF8 closest Earth approach = 5.83 LD
21 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
21482017 YR3 enters 10-LD bubble2110023202017 YO5 closest Earth approach = 1.43 LD
21432017 YD2 enters 10-LD bubble2010011162017 YO5 closest lunar approach = 1.77 LD
19172017 XW61 exits 10-LD bubble1910006092017 YP1 designation credited to MLS at 6.00 LD outbound, G=17.9 reported, elon. 152.6°
18242017 XT60 exits 10-LD bubble2010006042017 YN1 designation credited to MLS at 8.64 LD outbound, G=18.8 reported, elon. 149.0°
12332017 YC6 exits 10-LD bubble211000341171576 1999 VP11 last observed optically, by MLS at 310.23 LD outbound, G=20.5 reported
10462017 YT1 exits 10-LD bubble22100
06182017 YO3 exits Earth SOI23100
00502017 VT14 exits 10-LD bubble23200
20 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23372017 YH1 exits 10-LD bubble2420016162017 YC6 closest Earth approach = 9.61 LD
19072017 YO5 enters Earth SOI2520014342017 YO3 closest Earth approach = 2.08 LD
12032017 YL1 exits 10-LD bubble2510014192017 YP1 closest Earth approach = 5.65 LD
06312017 XX61 exits 10-LD bubble2610010202017 YO3 closest lunar approach = 3.03 LD
03422017 XY2 exits 10-LD bubble2710009592017 XT60 last observed optically, by Steward Mt. Lemmon Sta. at 8.86 LD outbound, G=20.4 reported
09482017 YM1 designation credited to CSS at 12.25 LD outbound, V=19.97 calculated, elon. 112.0°
08542017 YL1 designation credited to CSS at 9.73 LD outbound, G=19.1 reported, elon. 124.4°
08022017 XZ61 last observed optically, by Steward Mt. Lemmon Sta. at 26.58 LD outbound, G=20.2 reported
06512017 YJ1 designation credited to CSS at 4.98 LD outbound, G=18.8 reported, elon. 146.9°
06512017 YH1 designation credited to CSS at 7.80 LD outbound, G=13.6 reported, elon. 148.9°
05542017 YD1 designation credited to MLS at 3.30 LD outbound, G=21.1 reported, elon. 152.9°
04472017 YB1 designation credited to MLS at 18.30 LD outbound, G=21.5 reported, elon. 139.3°
04242017 YT1 closest Earth approach = 8.01 LD
03432017 YW designation credited to MLS at 9.30 LD inbound, G=20.2 reported, elon. 127.5°
01532017 YN1 closest Earth approach = 8.37 LD
19 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22492017 YO3 enters Earth SOI2810017502017 YW3 closest Earth approach = 4.84 LD
19592017 YC6 enters 10-LD bubble280001452discovery MPEC issued for 2017 YE
11542017 YM1 exits 10-LD bubble2700012092017 XW60 last observed optically, by Tenagra II Obs. at 5.95 LD outbound, R=19.8 reported
11542017 YW enters 10-LD bubble2800012022017 XY61 last observed optically, by Tenagra II Obs. at 2.53 LD outbound, R=18.0 reported, elon. 80.7°
02332017 YJ1 exits Earth SOI2700009402017 XY61 closest Earth approach = 2.51 LD
18 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23122017 WZ14 enters 10-LD bubble2710014492017 XX61 closest Earth approach = 8.15 LD
22022017 YT1 enters 10-LD bubble2610012222017 YL1 closest Earth approach = 7.66 LD
10572017 YD1 exits Earth SOI2510004322017 XW61 closest Earth approach = 3.11 LD
10372017 YL14 enters 10-LD bubble2520003542017 YJ1 closest Earth approach = 1.04 LD
04462017 XK1 exits 10-LD bubble2420000262017 YH1 closest Earth approach = 2.38 LD
02442017 YH1 exits Earth SOI2520000102017 XW60 closest Earth approach = 5.16 LD
02182017 YJ1 more than one LD from Moon25300
17 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22082017 YH1 enters Earth SOI2531021592017 XT60 closest Earth approach = 7.93 LD
21222017 YP1 enters 10-LD bubble252101827discovery MPEC issued for 2017 XZ61
09332017 YJ1 within one LD of Moon242101820discovery MPEC issued for 2017 XY61
06552017 YF8 enters 10-LD bubble242001816discovery MPEC issued for 2017 XX61
05152017 YJ1 enters Earth SOI232001810discovery MPEC issued for 2017 XW61
01232017 YN1 enters 10-LD bubble2310017542017 YJ1 closest lunar approach = 0.55 LD
13462017 YV8 closest Earth approach = 2.41 LD
01562017 VT14 closest Earth approach = 3.83 LD
16 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23122017 XX61 enters 10-LD bubble2210023572017 XW61 last observed optically, by Great Shefford Obs. at 4.42 LD inbound, G=17.3 reported
12412017 YL1 enters 10-LD bubble2110010282017 XX61 last observed optically, by Tenagra II Obs. at 11.18 LD inbound, R=20.3 reported
07042017 XY61 enters 10-LD bubble2010006222017 WT28 last observed optically, by Micheli/Paranal at 20.73 LD outbound, G=23.6 reported
06402017 YM1 exits Earth SOI1910005202017 YE designation credited to MLS at 7.08 LD inbound, G=20.8 reported, elon. 156.2°
01302017 XZ61 exits 10-LD bubble1920004422017 VG1 last observed optically, by Holmes/CTIO at 73.80 LD outbound, G=21.8 reported
15 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22292017 YO5 enters 10-LD bubble2020022522017 YD1 closest Earth approach = 1.77 LD
17212015 XX169 exits 10-LD bubble192002209discovery MPEC issued for 2017 XW60
06512017 YO3 enters 10-LD bubble202002158discovery MPEC issued for 2017 XU60
02492017 XU60 exits 10-LD bubble192002154discovery MPEC issued for 2017 XT60
01102017 YH1 enters 10-LD bubble202002135discovery MPEC issued for 2017 XN60
00072017 XZ2 exits 10-LD bubble192001305discovery MPEC issued for 2017 WG29
1305discovery MPEC issued for 2017 UM52
1305discovery MPEC issued for 2017 UK52
12432017 YM1 closest Earth approach = 1.52 LD
12282017 XZ61 designation credited to ATLAS Mauna Loa at 8.05 LD outbound, o=18.1 reported, elon. 145.8°
11302017 YM1 closest lunar approach = 1.33 LD
10402017 YD1 closest lunar approach = 2.64 LD
08262017 XU60 last observed optically, by Tenagra II Obs. at 10.25 LD outbound, R=20.2 reported
08162017 XY61 designation credited to MLS at 12.89 LD inbound, G=19.8 reported, elon. 161.1°
07562017 XY2 last observed optically, by Tenagra II Obs. at 4.51 LD outbound, R=18.8 reported
07552017 XE last observed optically, by Steward Mt. Lemmon Sta. at 11.03 LD outbound, V=19.82 calculated
07542017 XK1 closest Earth approach = 6.14 LD
07092017 XX61 designation credited to MLS at 14.22 LD inbound, G=20.4 reported, elon. 163.1°
06322017 XY2 closest Earth approach = 4.51 LD
06102017 XW61 designation credited to CSS at 8.32 LD inbound, G=18.1 reported, elon. 153.9°
02402017 XK1 last observed optically, by Steward Mt. Lemmon Sta. at 6.17 LD inbound, G=20.6 reported, elon. 76.5°
14 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
18452017 YM1 enters Earth SOI202001657discovery MPEC issued for 2017 XZ2
13552017 XW61 enters 10-LD bubble201001653discovery MPEC issued for 2017 XY2
12562017 XE exits 10-LD bubble1910012492006 XY closest Earth approach = 3.35 LD - Note: JPL reports an approach to 3.35 LD .
02092017 XT60 enters 10-LD bubble2010008372017 XZ2 last observed optically, by MLS at 8.91 LD outbound, G=20.8 reported
07122012 TC4 last observed optically, by Micheli/Paranal at 78.93 LD outbound, G=25.2 reported
06162017 XW60 designation credited to MLS at 9.03 LD inbound, G=21.1 reported, elon. 154.8°
06122017 XU60 designation credited to MLS at 9.30 LD outbound, V=19.97 calculated, elon. 160.7°
06122017 XT60 designation credited to MLS at 9.84 LD inbound, G=20.5 reported, elon. 159.7°
01302017 VT14 last observed by radar, from DSS-14 at 8.03 LD inbound, V=18.24 calculated
00402017 VT14 first observed by radar, from DSS-14 at 8.10 LD inbound, V=18.26 calculated
00062015 XX169 closest Earth approach = 9.71 LD
13 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
20262017 WV12 exits 10-LD bubble1910017552017 XZ61 closest Earth approach = 3.89 LD
19532017 YJ1 enters 10-LD bubble2010009252017 WK15 last observed optically, by ARO Westfield at 22.51 LD outbound, V=22.2 reported
16152017 XW60 enters 10-LD bubble1910008582017 XN60 designation credited to CSS at 12.20 LD outbound, G=19.8 reported, elon. 122.6°
10312017 YD1 enters Earth SOI1810008532017 XZ2 designation credited to MLS at 7.32 LD outbound, G=19.9 reported, elon. 144.3°
08112017 YB1 exits 10-LD bubble1800008142017 XY2 designation credited to MLS at 5.73 LD inbound, V=19.26 calculated, elon. 148.2°
07182017 YE enters 10-LD bubble1900007542017 VC last observed optically, by ARO Westfield at 56.46 LD outbound, G=20.4 reported
03032017 VT14 enters 10-LD bubble1800006552017 WB last observed optically, by ARO Westfield at 58.10 LD outbound, V=22.4 reported
04492017 XU60 closest Earth approach = 8.98 LD
04362017 XE1 last observed optically, by ARO Westfield at 40.87 LD outbound, V=22.2 reported
12 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
10572017 XK1 enters 10-LD bubble1700011352018 AV2 observed first, by PS1 at 7.63 LD inbound, w=22.1 reported, elon. 136.0°
07052015 XX169 enters 10-LD bubble1600007592017 YU1 observed first, by PS1 at 32.11 LD inbound, w=23.1 reported, elon. 144.7°
00502017 YV8 enters 10-LD bubble1500003372017 UK1 last observed optically, by Micheli/Paranal at 119.04 LD outbound, G=26.7 reported
11 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
22172017 XN60 exits 10-LD bubble140001303discovery MPEC issued for 2017 XK1
13322017 YM1 enters 10-LD bubble1500008372017 YE observed first, by PS1 at 12.01 LD inbound, w=22.5 reported, elon. 151.5°
10212008 WM61 exits 10-LD bubble1400005592017 YB1 closest Earth approach = 9.31 LD
10202017 XZ61 enters 10-LD bubble1500002082017 VD last observed optically, by ARO Westfield at 262.35 LD outbound, V=22.5 reported
08402017 YS1 enters 10-LD bubble140000201discovery MPEC issued for 2017 XE1
06412017 XU60 enters 10-LD bubble1300001302017 WE28 last observed optically, by Micheli/Paranal at 36.15 LD outbound, G=23.2 reported
00252017 XS exits 10-LD bubble12000
10 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
10042017 XY2 enters 10-LD bubble1300000122017 XZ2 closest Earth approach = 3.89 LD
02162017 WF30 exits 10-LD bubble12000
9 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
07292017 YK14 enters 10-LD bubble1300021412017 WV12 closest Earth approach = 3.43 LD
05512017 WF16 exits 10-LD bubble120001902discovery MPEC issued for 2017 XS
03472017 YB1 enters 10-LD bubble1300005452017 XK1 designation credited to MLS at 17.83 LD inbound, G=20.1 reported, elon. 136.0°
8 Dec. 2017
UTEvents
2000discovery MPEC issued for 2017 XE
07292017 VJ last observed optically, by Spacewatch/KPNO at 113.13 LD outbound, V=23.48 calculated
06572017 XE1 designation credited to PS1 at 18.89 LD outbound, w=20.7 reported, elon. 154.5°
06462017 XW61 observed first, by PS1 at 26.46 LD inbound, w=21.1 reported, elon. 162.2°
04442015 XX169 last observed optically, by Steward Mt. Lemmon Sta. at 12.73 LD inbound, G=20.8 reported
04362015 XX169 observed first, by Steward Mt. Lemmon Sta. at 12.73 LD inbound, G=20.3 reported, elon. 155.7°
04282017 XS closest Earth approach = 7.39 LD
04112017 WV12 last observed optically, by Tenagra II Obs. at 5.36 LD inbound, R=16.8 reported
7 Dec. 2017
UTEvents
23202017 XE closest Earth approach = 3.96 LD
13282017 XS designation credited to ATLAS Mauna Loa at 7.53 LD inbound, o=15.6 reported, elon. 132.1°
08242017 XK1 observed first, by PS1 at 22.80 LD inbound, i=20.4 reported, elon. 140.8°
04002017 XE designation credited to MLS at 4.12 LD inbound, G=17.6 reported, elon. 132.6°
6 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
20252017 WS13 exits 10-LD bubble1200001362017 WF30 closest Earth approach = 2.13 LD - Note: JPL has not posted an Earth close
approach listing for this object, indicating an uncertainty exceeding +/- ten days.
12422017 WF30 exits Earth SOI13000
5 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23042017 WV12 enters 10-LD bubble1310023082017 XN60 closest Earth approach = 3.11 LD
22092017 XE1 exits 10-LD bubble1210020192017 WF30 closest lunar approach = 1.95 LD
20482006 XY enters 10-LD bubble1310013362017 WS13 closest Earth approach = 9.45 LD - Note: JPL reports an approach to 9.45 LD (9.35 minimum) .
19232017 YW3 enters 10-LD bubble121000420discovery MPEC issued for 2017 WT28
14292017 WF30 enters Earth SOI11100
09092017 WT28 exits 10-LD bubble11000
08102017 XS enters 10-LD bubble12000
4 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23562017 XZ2 enters 10-LD bubble1100013462017 XE1 closest Earth approach = 7.81 LD
06402017 WS13 enters 10-LD bubble10000
3 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
05232017 XE1 enters 10-LD bubble9000
2 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
12032017 WH2 exits 10-LD bubble800011522008 WM61 closest Earth approach = 3.67 LD
00542017 WF30 enters 10-LD bubble9000
1 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
21132017 WD28 exits 10-LD bubble8000
13492017 WK1 exits 10-LD bubble9000
08212017 XE enters 10-LD bubble10000


http://www.HohmannTransfer.com/busy/timeline/17/12.htm
Publisher info, privacy & disclaimer
This page is © Copyright 2008-2018 Columbine of Maine - All Rights Reserved
Do NOT copy, mirror, or embed this Web page, which is subject to frequent change, but please do link to it and let others know about it. Individuals may make snapshot copies for their own personal offline use.
Please report broken links or other problems with this page to <webmaster@hohmanntransfer.com>.