<10=less than 10 LD from Earth

EBN Timeline for March 2013

<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 2013
UTBoundary Transitions<10<SIM<1E<1Events
02302013 GA55 enters 10-LD bubble500004052013 FB8 last observed optically, by Great Shefford Obs. at 4.31 LD outbound, R=18.1 reported, elon. 76.0°
30 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
03302013 FD8 exits 10-LD bubble400015532013 FB8 closest Earth approach = 4.22 LD
06302013 FB8 last observed by radar, from DSS-14 at 4.27 LD inbound, V=18.11 calculated
05502013 FB8 first observed by radar, from DSS-14 at 4.28 LD inbound, V=18.09 calculated
01422013 FD8 last observed optically, by LCOGT Cerro Tololo A at 9.92 LD outbound, mag 19.4 reported, elon. 94.1°
29 March 2013
UTEvents
22432013 EL89 closest Earth approach = 4.59 LD
28 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
18592013 FG exits 10-LD bubble500007252013 GD55 closest Earth approach = 2.37 LD
12412013 GD55 exits Earth SOI6000
02102013 GD55 enters Earth SOI6100
27 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
16162013 GH66 enters 10-LD bubble600014202013 FD8 closest Earth approach = 8.45 LD
04462013 FU13 exits 10-LD bubble5000
26 March 2013
UTBoundary Transitions<10<SIM<1E<1
03422013 ES11 exits 10-LD bubble6000
25 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
12322013 EL89 enters 10-LD bubble70001105discovery MPEC issued for 2013 FU13
12252013 FB8 enters 10-LD bubble6000
01282013 FD8 enters 10-LD bubble5000
24 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
18022013 EC20 exits 10-LD bubble400008232013 FU13 designation credited to MLS at 6.34 LD outbound, V=20.5 reported, elon. 130.4°
07442013 FG closest Earth approach = 3.79 LD
23 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
05032013 GD55 enters 10-LD bubble500011122013 FG last observed optically, by CSS at 4.18 LD inbound, V=19.3 reported
09072013 EQ41 last observed optically, by McDonald Obs. at 35.84 LD outbound, V=21.32 calculated
22 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
19322013 ED68 exits 10-LD bubble400021332013 ES11 closest Earth approach = 6.31 LD
14462007 EO88 exits 10-LD bubble5000
21 March 2013
UTEvents
04102013 ES11 last observed optically, by Schiaparelli Obs. at 7.53 LD inbound, V=17.07 calculated
20 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
22542013 FU13 exits Earth SOI60001715discovery MPEC issued for 2013 FD8
1708discovery MPEC issued for 2013 FB8
19 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
20172013 FG enters 10-LD bubble610018242013 FU13 closest Earth approach = 1.82 LD
15262013 ES11 enters 10-LD bubble510012162013 FD8 designation credited to PS1 at 19.17 LD inbound, w=20.3 reported, elon. 163.5°
07442013 FB8 designation credited to CSS at 20.55 LD inbound, V=19.7 reported, elon. 158.6°
04262013 FU13 closest lunar approach = 1.59 LD
18 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
13532013 FU13 enters Earth SOI410020502007 EO88 closest Earth approach = 4.43 LD - Note: JPL reports an approach to 4.73 LD (2.22 minimum) at 2153 UTC with an uncertainty of +/- 2 hours and 58 minutes.
1234discovery MPEC issued for 2013 FG
17 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
15262013 ES41 exits 10-LD bubble400017442013 FK designation credited to SSS at 24.40 LD outbound, V=19.0 reported, elon. 128.0°
13102013 EA29 exits 10-LD bubble500005302013 FG designation credited to CSS at 15.17 LD inbound, V=19.7 reported, elon. 150.8°
10212013 ED68 exits Earth SOI6000
16 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
18282013 EN20 exits 10-LD bubble610002362013 ED68 closest Earth approach = 1.40 LD
02332013 ED68 closest lunar approach = 2.38 LD
15 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
02572007 EO88 enters 10-LD bubble71001951discovery MPEC issued for 2013 EL89
08022013 ED68 last observed optically, by CSS at 1.81 LD inbound, V=17.5 reported
14 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
18532013 ED68 enters Earth SOI610016382013 EA29 closest Earth approach = 3.54 LD
1247discovery MPEC issued for 2013 EF68
1242discovery MPEC issued for 2013 EE68
1237discovery MPEC issued for 2013 ED68
09582013 CL22 last observed optically, by MRO at 93.50 LD outbound, R=23.2 reported
09182013 EV27 last observed optically, by MRO at 39.39 LD outbound, R=22.3 reported
08402013 CY last observed optically, by MRO at 30.88 LD outbound, R=23.3 reported
07382013 DA1 last observed optically, by ARO Westfield at 19.66 LD outbound, V=21.8 reported
07082013 EF68 last observed optically, by ARO Westfield at 22.63 LD outbound, V=20.1 reported
06022013 EL89 designation credited to MLS at 32.38 LD inbound, V=21.5 reported, elon. 163.5°
02422013 EA29 last observed optically, by Great Shefford Obs. at 4.02 LD inbound, R=17.8 reported
13 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
03112013 ET exits 10-LD bubble600023502013 ES41 closest Earth approach = 6.47 LD - Note: JPL reports an approach to 6.47 LD (6.42 minimum) at 2357 UTC with an uncertainty of +/- 2 minutes.
1137discovery MPEC issued for 2013 ES41
1126discovery MPEC issued for 2013 EQ41
09002013 ES41 last observed optically, by Sandlot Obs. at 6.60 LD inbound, R=19.1 reported
07462013 EF68 designation credited to CSS at 19.05 LD outbound, V=20.0 reported, elon. 170.7°
06422013 EE68 designation credited to CSS at 23.24 LD outbound, V=18.7 reported, elon. 164.0°
06312013 ED68 designation credited to MLS at 4.43 LD inbound, V=19.0 reported, elon. 159.1°
0505distant 136617 1994 CC last observed optically, by PTF at 361.47 LD, V=19.67 calculated
12 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
15542013 EC20 exits Earth SOI700009332013 ES41 designation credited to CSS at 7.28 LD inbound, V=19.8 reported, elon. 155.6°
06522013 FU13 enters 10-LD bubble7100
11 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
22132013 EN20 exits Earth SOI61001153discovery MPEC issued for 2013 EA29
20132013 EA29 enters 10-LD bubble620011312013 EQ41 designation credited to CSS at 14.81 LD outbound, V=19.7 reported, elon. 153.3°
01362013 EC20 more than one LD from Moon520001342013 EN20 closest lunar approach = 1.57 LD
10 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
16142013 EF68 exits 10-LD bubble521015042013 EN20 closest Earth approach = 1.16 LD - Note: JPL reports an approach to 1.16 LD at 1501 UTC with an uncertainty of +/- 15 minutes.
10312013 EC20 exits Earth-Moon system621005362013 EC20 closest lunar approach = 0.77 LD
08462013 ES41 enters 10-LD bubble621100402013 ET last observed by radar, from DSS-14 at 2.89 LD outbound, V=nil
9 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
16072013 FK exits 10-LD bubble52112005discovery MPEC issued for 2013 EV27
10222013 ED68 enters 10-LD bubble621112082013 ET closest Earth approach = 2.54 LD
09412013 EC20 within one LD of Moon521111542013 ET last observed optically, by Hills/RAS Moorook at 2.54 LD inbound, R=14.7 reported, elon. 81.2°
07572013 EN20 enters Earth SOI520102402013 EC20 closest Earth approach = 0.39 LD
8 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
10542013 EQ41 exits 10-LD bubble510120042013 EC20 last observed optically, by Abastumani Obs. at 0.44 LD inbound, V=15.02 calculated
14342013 EF68 closest Earth approach = 6.13 LD - Note: JPL reports an approach to 6.13 LD (6.01 minimum) at 1409 UTC with an uncertainty of +/- 7 minutes.
1325discovery MPEC issued for 2013 EN20
0346discovery MPEC issued for 2013 EC20
03332013 EN20 last observed optically, by MLS at 4.19 LD inbound, V=20.7 reported
7 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
18522013 EC20 enters Earth-Moon system61011437discovery MPEC issued for 2013 ES11
04042013 EE68 exits 10-LD bubble610006062013 EN20 designation credited to MLS at 5.60 LD inbound, V=21.1 reported, elon. 152.0°
05102013 EC20 designation credited to CSS at 1.36 LD inbound, V=17.5 reported, elon. 137.6°
03302013 ET first observed by radar, from DSS-14 at 6.78 LD inbound, V=15.63 calculated
6 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
12512013 EF68 enters 10-LD bubble710009342013 FK closest Earth approach = 7.42 LD
12232013 EC exits 10-LD bubble6100
5 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
21072013 ET enters 10-LD bubble710013132013 EE68 closest Earth approach = 8.95 LD - Note: JPL reports an approach to 8.95 LD (8.93 minimum) .
13442013 EC20 enters Earth SOI610009592013 EV27 designation credited to PS1 at 13.75 LD outbound, w=20.6 reported, elon. 169.7°
09482013 EA29 designation credited to PS1 at 30.90 LD inbound, w=21.6 reported, elon. 171.9°
08322013 ES11 designation credited to CSS at 43.40 LD inbound, V=19.8 reported, elon. 159.2°
0740distant 436724 2011 UW158 observed first, by Holmes/CTIO at 320.25 LD, V=21.4 reported, elon. 107.4°
4 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
19192013 EC exits Earth SOI60001246discovery MPEC issued for 2013 ET
12212013 EN20 enters 10-LD bubble610007362013 EC closest Earth approach = 0.96 LD
09102013 EC exits Earth-Moon system510007102013 EC closest lunar approach = 1.51 LD
06022013 EC enters Earth-Moon system5101
00582013 EV27 exits 10-LD bubble5100
3 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
22192013 EE68 enters 10-LD bubble610022532013 EC last observed optically, by Great Shefford Obs. at 1.90 LD inbound, R=17.1 reported
19542013 EC enters Earth SOI510009592013 EQ41 closest Earth approach = 4.93 LD
10272013 EB exits 10-LD bubble500007462013 ET designation credited to CSS at 16.72 LD inbound, V=16.9 reported, elon. 161.9°
03062013 FK enters 10-LD bubble600000252013 EB last observed optically, by Schiaparelli Obs. at 8.74 LD outbound, R=19.3 reported
2 March 2013
UTBoundary Transitions<10<SIM<1E<1Events
02502013 EC enters 10-LD bubble50002049discovery MPEC issued for 2013 EC
2031discovery MPEC issued for 2013 EB
08212013 EB designation credited to CSS at 6.72 LD outbound, V=18.8 reported, elon. 167.3°
07082013 EC designation credited to MLS at 9.19 LD inbound, V=19.6 reported, elon. 175.0°


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