<10=less than 10 LD from Earth

EBN Timeline for March 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 March 2017
UTBoundary Transitions<10<SIM<1E<1
20012017 FV enters 10-LD bubble2000
26 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
08392017 FJ exits 10-LD bubble100014492015 TC25 closest Earth approach = 7.63 LD - Note: JPL reports an approach to 7.63 LD (7.59 minimum) with an uncertainty of +/- 6 minutes.
24 March 2017
UTBoundary Transitions<10<SIM<1E<1
23002017 FK exits 10-LD bubble2000
22 March 2017
UTBoundary Transitions<10<SIM<1E<1
07352017 EG3 exits 10-LD bubble3000
06482017 FJ exits Earth SOI4000
21 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
09122017 FS exits 10-LD bubble410021492017 FJ closest lunar approach = 1.56 LD
06032017 FK exits Earth SOI510015032017 FJ closest Earth approach = 1.98 LD
20 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
23192017 FJ enters Earth SOI520013292017 FK closest lunar approach = 1.89 LD
11592017 FK closest Earth approach = 1.74 LD
19 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
17552017 FK enters Earth SOI51001421discovery MPEC issued for 2017 FS
16212017 FS exits Earth SOI50001414discovery MPEC issued for 2017 FW
08412017 FS exits Earth-Moon system51001410discovery MPEC issued for 2017 FV
1403discovery MPEC issued for 2017 FR
07522016 TB57 last observed optically, by Spacewatch 1.8m at 44.13 LD outbound, V=22.46 calculated
07432017 FV last observed optically, by MLS at 45.83 LD inbound, V=20.7 reported
06522017 FR last observed optically, by MLS at 21.48 LD outbound, V=19.6 reported
06362017 FW last observed optically, by MLS at 14.51 LD outbound, V=20.2 reported
03322017 FS closest Earth approach = 0.28 LD
02142017 FS closest lunar approach = 1.17 LD
00152017 FK last observed optically, by Schiaparelli Obs. at 3.72 LD inbound, G=18.0 reported
18 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
22242017 FS enters Earth-Moon system510121452017 FS last observed optically, by Schiaparelli Obs. at 1.12 LD inbound, V=17.11 calculated
21032017 EE4 exits 10-LD bubble51001516discovery MPEC issued for 2017 FK
14442017 FS enters Earth SOI61001513discovery MPEC issued for 2017 FJ
05151998 SL36 exits 10-LD bubble600008332017 FJ last observed optically, by Nault/Apache Point at 7.07 LD inbound, R=19.6 reported
0652distant 2001 FE90 last observed optically, by PS1 at 294.31 LD, w=21.8 reported
06032017 DA38 last observed optically, by Holmes/CTIO at 33.25 LD outbound, V=20.9 reported
05252017 FW designation credited to MLS at 11.38 LD outbound, V=19.6 reported, elon. 159.9°
17 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
17532017 FW exits 10-LD bubble700011211998 SL36 last observed optically, by Foglia/iTelObs-SSO at 8.88 LD outbound, R=16.1 reported, elon. 65.0°
15292015 TC25 enters 10-LD bubble800011151998 SL36 observed first, by Foglia/iTelObs-SSO at 8.87 LD outbound, R=16.0 reported, elon. 64.9°
00562017 EK exits 10-LD bubble700010562017 EG3 closest Earth approach = 4.38 LD - Note: JPL reports an approach to 4.38 LD (4.35 minimum) with an uncertainty of +/- 5 minutes.
10052017 CS last observed optically, by PS1 at 141.00 LD inbound, i=18.6 reported
08042017 EF4 last observed optically, by Nault/Apache Point at 20.00 LD outbound, R=21.7 reported
07152017 EL4 last observed optically, by Nault/Apache Point at 47.70 LD outbound, R=20.5 reported
06212017 FV designation credited to MLS at 52.66 LD inbound, V=19.6 reported, elon. 172.1°
05372017 FS designation credited to MLS at 8.56 LD inbound, V=21.2 reported, elon. 176.7°
05362017 FR designation credited to MLS at 18.53 LD outbound, V=19.2 reported, elon. 174.5°
05352017 FK designation credited to MLS at 7.43 LD inbound, V=19.2 reported, elon. 174.7°
05072017 FJ designation credited to MLS at 9.38 LD inbound, V=20.6 reported, elon. 166.1°
16 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
21522017 FS enters 10-LD bubble800013291998 SL36 closest Earth approach = 8.34 LD
21492017 FJ enters 10-LD bubble700006302017 EE4 closest Earth approach = 7.04 LD
13532017 DA36 exits 10-LD bubble600006122017 CF32 last observed optically, by ARO Westfield at 33.56 LD outbound, V=22.3 reported
01062017 FK enters 10-LD bubble700002492017 EK last observed optically, by Schiaparelli Obs. at 7.84 LD outbound, G=19.2 reported, elon. 83.1°
02232017 EE4 last observed optically, by Schiaparelli Obs. at 7.06 LD inbound, V=19.13 calculated, elon. 94.7°
15 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
03292017 EE3 exits 10-LD bubble600004052017 DC36 last observed optically, by ARO Westfield at 47.41 LD outbound, V=18.6 reported
14 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
21491998 SL36 enters 10-LD bubble700021562017 FW closest Earth approach = 4.44 LD
13 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
15572017 EE4 enters 10-LD bubble600023342017 EK closest Earth approach = 4.95 LD
23142017 EE3 last observed optically, by Great Shefford Obs. at 8.75 LD outbound, G=19.8 reported, elon. 92.3°
2306discovery MPEC issued for 2017 EL4
2251discovery MPEC issued for 2017 EF4
2247discovery MPEC issued for 2017 EE4
08072017 DV15 last observed optically, by Nault/Apache Point at 32.41 LD outbound, R=20.8 reported
12 March 2017
UTBoundary Transitions<10<SIM<1E<1
14562017 EG3 enters 10-LD bubble5000
07122017 EZ2 exits 10-LD bubble4000
01582017 FW enters 10-LD bubble5000
11 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
23532017 DV35 exits 10-LD bubble400021062017 EE3 closest Earth approach = 7.77 LD
02492017 DA36 last observed optically, by Tenagra II Obs. at 4.06 LD outbound, R=18.6 reported, elon. 76.4°
10 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
23492017 EW exits 10-LD bubble500022092017 DA36 closest Earth approach = 4.04 LD
22252017 EK enters 10-LD bubble60001327discovery MPEC issued for 2017 EE3
20102017 EV exits 10-LD bubble50001327discovery MPEC issued for 2017 EZ2
18462017 FR exits 10-LD bubble600006372017 EZ2 last observed optically, by Steward Mt. Lemmon Sta. at 6.75 LD outbound, V=17.7 reported
15442017 EF4 exits 10-LD bubble70000312discovery MPEC issued for 2017 EG3
10032017 EF exits 10-LD bubble8000
01262017 ED exits 10-LD bubble9000
9 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
20292017 EG1 exits 10-LD bubble1000010482017 ED last observed optically, by Spacewatch 0.9m at 9.43 LD outbound, V=20.34 calculated
12302017 DS109 exits 10-LD bubble110001040distant 357439 2004 BL86 last observed optically, by ARO Westfield at 367.95 LD, V=21.8 reported
07332017 EJ1 last observed optically, by Holmes/CTIO at 13.27 LD outbound, V=21.6 reported
05552017 EG3 last observed optically, by MLS at 15.93 LD inbound, V=20.57 calculated
8 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
15042017 EE3 enters 10-LD bubble1200020362017 EZ2 closest Earth approach = 5.86 LD
14052017 DV35 closest Earth approach = 9.65 LD
09492017 EL4 designation credited to MLS at 15.51 LD outbound, V=19.92 calculated, elon. 144.0°
05192017 EF4 designation credited to MLS at 7.81 LD outbound, V=19.2 reported, elon. 137.1°
7 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
17482017 EJ1 exits 10-LD bubble1100013562017 EW closest Earth approach = 4.48 LD
06592017 EF closest Earth approach = 7.43 LD
06092017 EG3 designation credited to MLS at 19.57 LD inbound, V=20.9 reported, elon. 156.8°
05242017 EG3 observed first, by MLS at 19.63 LD inbound, V=20.8 reported, elon. 156.8°
05052017 EE3 designation credited to MLS at 11.93 LD inbound, V=19.8 reported, elon. 150.8°
0306distant 2013 NJ last observed optically, by Spacewatch 1.8m at 214.09 LD, V=22.39 calculated
6 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
22262017 DP109 exits 10-LD bubble1200022332017 EF4 closest Earth approach = 7.46 LD
20512017 EJ exits 10-LD bubble130001950discovery MPEC issued for 2017 EJ1
11262017 DS109 exits Earth SOI140001941discovery MPEC issued for 2017 EG1
10022017 EL4 exits 10-LD bubble1410010512017 EG1 last observed optically, by MLS at 6.18 LD outbound, V=20.9 reported
5 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
18112017 DS109 exits Earth-Moon system1510019332017 EV closest Earth approach = 2.78 LD
16422017 CP1 exits 10-LD bubble151011555discovery MPEC issued for 2017 EW
12172017 DS37 exits 10-LD bubble161011550discovery MPEC issued for 2017 EV
10462017 DS109 enters Earth-Moon system1710114282017 DS109 closest Earth approach = 0.92 LD
10052017 EZ2 enters 10-LD bubble1710012572017 EJ1 designation credited to PS1 at 5.55 LD outbound, w=19.8 reported, elon. 138.9°
06172017 DV35 enters 10-LD bubble1610012112017 DS109 last observed optically, by Tenagra II Obs. at 0.95 LD inbound, R=14.5 reported
05482017 DA36 enters 10-LD bubble1510011372017 EJ closest Earth approach = 4.87 LD
04362012 DR32 exits 10-LD bubble1410010552017 EZ2 designation credited to CSS at 9.93 LD inbound, V=18.5 reported, elon. 130.9°
03262017 EA exits 10-LD bubble1510010242017 DS109 closest lunar approach = 1.47 LD
09302017 EV last observed optically, by ARO Westfield at 2.89 LD inbound, V=18.4 reported
08192017 DX34 last observed optically, by Holmes/CTIO at 29.11 LD outbound, V=21.2 reported
07412017 EW last observed optically, by ARO Westfield at 7.43 LD inbound, V=19.2 reported
02272017 FR closest Earth approach = 5.81 LD - Note: JPL reports an approach to 5.82 LD (5.79 minimum) with an uncertainty of +/- 13 minutes.
01362017 EJ last observed optically, by Great Shefford Obs. at 5.53 LD inbound, G=17.8 reported
4 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
17302017 DS109 enters Earth SOI1610021322017 EL4 closest Earth approach = 8.22 LD
13572017 DJ16 exits 10-LD bubble160001752discovery MPEC issued for 2017 EK
04182017 EF enters 10-LD bubble170001748discovery MPEC issued for 2017 EJ
04162017 EW enters 10-LD bubble160001729discovery MPEC issued for 2017 EF
02242017 EJ enters 10-LD bubble150001722discovery MPEC issued for 2017 DS109
1714discovery MPEC issued for 2017 DR109
1714discovery MPEC issued for 2017 DR109
12512017 EW designation credited to PS1 at 9.17 LD inbound, w=19.5 reported, elon. 170.0°
12082017 EE4 designation credited to PS1 at 33.19 LD inbound, w=20.6 reported, elon. 166.9°
11592017 EW observed first, by PS1 at 9.25 LD inbound, w=19.6 reported, elon. 170.1°
09362017 EF last observed optically, by Spacewatch 1.8m at 9.69 LD inbound, R=19.1 reported
09252017 DR109 last observed optically, by Steward Mt. Lemmon Sta. at 14.03 LD outbound, V=22.1 reported
08102017 DV35 last observed optically, by Steward Mt. Lemmon Sta. at 10.22 LD inbound, V=20.1 reported
08082017 EV designation credited to CSS at 3.96 LD inbound, V=18.4 reported, elon. 150.1°
07022017 EG1 designation credited to MLS at 4.62 LD outbound, V=19.39 calculated, elon. 143.4°
3 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
14412017 EJ1 exits Earth SOI140001013distant 357439 2004 BL86 observed first, by ARO Westfield at 371.77 LD, V=22.1 reported, elon. 104.5°
09022017 EL4 enters 10-LD bubble1410007392017 DP109 closest Earth approach = 2.56 LD
06142017 DA38 exits 10-LD bubble1310007192017 DH16 last observed optically, by ARO Westfield at 29.13 LD outbound, V=22.5 reported
06112017 DV36 exits 10-LD bubble1410007162017 DF38 last observed optically, by Nault/Apache Point at 13.41 LD outbound, R=19.9 reported
05212017 EF4 enters 10-LD bubble1510007072017 EG1 closest Earth approach = 4.42 LD
04472017 EA exits Earth SOI141000435distant 2009 FE last observed optically, by ARO Westfield at 221.98 LD, V=22.0 reported
0351distant 2009 FE observed first, by ARO Westfield at 222.04 LD, V=22.2 reported, elon. 157.1°
0308discovery MPEC issued for 2017 DP109
0301discovery MPEC issued for 2017 ED
02432017 EJ1 closest Earth approach = 2.16 LD
2 March 2017
UTBoundary Transitions<10<SIM<1E<1Events
20092017 EA exits Earth-Moon system1420021202012 DR32 last observed optically, by Buchloe Obs. at 4.68 LD outbound, R=17.7 reported
19482017 EA more than one LD from Moon1420119292012 DR32 closest Earth approach = 4.68 LD
16302017 DG16 exits 10-LD bubble1421116592017 EA closest lunar approach = 0.87 LD
14462017 EJ1 enters Earth SOI1521114282017 EJ1 closest lunar approach = 2.56 LD
14092017 EA within one LD of Moon1511114042017 EA closest Earth approach = 0.05 LD
07582017 EA enters Earth-Moon system1510113242017 ED closest Earth approach = 5.35 LD
1318discovery MPEC issued for 2017 DF38
1318discovery MPEC issued for 2017 DF38
1239discovery MPEC issued for 2017 EA
12192017 DP109 last observed optically, by MRO at 3.35 LD inbound, G=17.1 reported
1208distant 2007 DT103 last observed optically, by Spacewatch 1.8m at 308.58 LD, R=21.0 reported, elon. 86.1°
11512017 EA last observed optically, by Mt. John Obs. at 0.37 LD inbound, R=15.1 reported
10532017 DD36 last observed optically, by MLS at 15.15 LD outbound, V=20.6 reported
08052017 BN92 last observed optically, by Holmes/CTIO at 41.57 LD outbound, V=22.4 reported
07332017 EA designation credited to CSS at 1.07 LD inbound, V=18.0 reported, elon. 171.5°
07222017 ED designation credited to CSS at 5.36 LD inbound, V=17.61 calculated, elon. 170.9°
07122017 EK designation credited to MLS at 33.93 LD inbound, V=19.9 reported, elon. 151.5°
06012017 EJ designation credited to SST Atom Site at 21.00 LD inbound, r=20.8 reported, elon. 161.8°
05122017 EF designation credited to SST Atom Site at 13.22 LD inbound, r=21.0 reported, elon. 161.6°
01492017 CP32 last observed optically, by Holmes/CTIO at 41.14 LD outbound, V=20.8 reported
1 March 2017
UTBoundary Transitions<10<SIM<1E<1
23212017 EA enters Earth SOI15100
21032017 DR109 exits 10-LD bubble15000
16292017 DS109 enters 10-LD bubble16000
05572017 DS34 exits 10-LD bubble15000
03162017 DR34 exits 10-LD bubble16000


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