<10=less than 10 LD from Earth

EBN Timeline for February 2009

<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)
28 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
21062009 BD exits 10-LD bubble80001004distant 2009 DL46 discovered by CSS at 88.87 LD, V=20.0 reported, elon. 125.0°
18512009 EJ1 exits Earth SOI900008262009 DC45 last observed optically, by MLS at 10.70 LD outbound, V=20.8 reported
08222009 DM40 exits 10-LD bubble910006262009 DJ46 discovered by LINEAR at 10.37 LD outbound, mag 18.7 reported, elon. 162.2°
05022009 EJ1 exits Earth-Moon system10100
27 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
23162009 DJ46 exits 10-LD bubble1010119292009 EJ1 closest Earth approach = 0.16 LD - Note: JPL reports an approach to 0.16 LD (0.15 minimum) with an uncertainty of +/- 2 hours and 10 minutes.
22592009 DC45 exits 10-LD bubble1110112242009 DD45 discovered by SSS at 5.66 LD inbound, V=18.7 reported, elon. 98.9°
19022009 EJ1 more than one LD from Moon1210109572009 DT43 discovered by CSS at 1.81 LD outbound, V=15.8 reported, elon. 169.0°
15152009 DT43 exits Earth SOI1211109342009 EJ1 closest lunar approach = 0.24 LD
12172009 DS43 enters 10-LD bubble1221107572009 DS43 discovered by CSS at 10.63 LD inbound, V=18.2 reported, elon. 173.3°
09552009 EJ1 enters Earth-Moon system1121107032009 DV43 discovered by CSS at 42.71 LD inbound, V=19.7 reported, elon. 174.7°
00052009 EJ1 within one LD of Moon1121007002009 DC45 discovered by CSS at 8.84 LD outbound, V=19.6 reported, elon. 171.8°
06202009 DS43 observed first, by LINEAR at 10.87 LD inbound, mag 18.6 reported, elon. 172.3°
26 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
20062009 EJ1 enters Earth SOI1120022222009 DT43 closest Earth approach = 1.03 LD
14012009 DN4 enters 10-LD bubble1110015092009 DT43 closest lunar approach = 1.21 LD
10392009 EY exits 10-LD bubble1010013242009 DJ46 closest Earth approach = 9.15 LD
05282009 DT43 enters Earth SOI1110012472009 DM40 last observed optically, by CSS at 6.50 LD outbound, V=19.2 reported
03322009 DM45 exits 10-LD bubble1100009192009 DM40 discovered by CSS at 6.23 LD outbound, V=19.7 reported, elon. 130.0°
0904136617 1994 CC observed first, by LINEAR at 315.83 LD inbound, mag 19.5 reported, elon. 123.6°
07412009 DB43 discovered by MLS at 14.61 LD outbound, V=21.0 reported, elon. 154.2°
25 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
03382009 DD45 enters 10-LD bubble1200022182014 QV296 closest Earth approach = 6.12 LD - Note: JPL reports an approach to 6.12 LD (4.13 minimum) with an uncertainty of +/- 5 hours and 3 minutes.
03262009 DJ46 enters 10-LD bubble1100010272009 BF58 last observed optically, by MRO at 57.33 LD outbound, R=23.0 reported
00432009 DU10 exits Earth SOI1000004592009 DM45 discovered by Taunus Obs. at 7.30 LD outbound, V=15.8 reported, elon. 165.5°
24 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
01082009 DU10 enters Earth SOI1010018452009 DU10 closest lunar approach = 3.10 LD
00462009 DM40 exits Earth SOI1000012552009 DU10 closest Earth approach = 2.22 LD
09482009 DV last observed optically, by Spacewatch 1.8m at 51.35 LD outbound, V=21.30 calculated
08452009 FD observed first, by Spacewatch 0.9m at 119.79 LD inbound, V=21.27 calculated, elon. 143.3°
06302009 DU10 last observed optically, by CSS at 2.28 LD inbound, V=16.6 reported
06132009 EY closest Earth approach = 8.33 LD - Note: JPL reports an approach to 8.31 LD (8.13 minimum) at 0623 UTC with an uncertainty of +/- 20 minutes.
01222009 DM45 closest Earth approach = 5.75 LD - Note: JPL reports an approach to 5.75 LD (5.73 minimum) .
23 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
17362009 EJ1 enters 10-LD bubble1010020572009 CV closest Earth approach = 4.81 LD
16582009 DT43 enters 10-LD bubble910010572009 DM40 closest Earth approach = 2.11 LD - Note: JPL reports an approach to 2.11 LD (1.94 minimum) with an uncertainty of +/- one hour and 56 minutes.
1143208023 1999 AQ10 exits 10-LD bubble810003242009 DN4 last observed optically, by ARO at 12.82 LD inbound, V=20.4 reported
02122009 DM40 closest lunar approach = 1.36 LD
02112009 DC45 closest Earth approach = 3.85 LD - Note: JPL reports an approach to 3.85 LD (3.82 minimum) with an uncertainty of +/- 4 minutes.
22 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
21072009 DM40 enters Earth SOI910008022009 DO111 discovered by Spacewatch 0.9m at 55.09 LD inbound, V=19.96 calculated, elon. 150.8°
12472014 QV296 enters 10-LD bubble900004442009 DU10 discovered by CSS at 4.93 LD inbound, V=18.1 reported, elon. 148.5°
01362009 EY enters 10-LD bubble8000
21 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
23072009 DM45 enters 10-LD bubble700017032009 DT10 discovered by SSS at 36.93 LD outbound, V=19.3 reported, elon. 153.7°
20 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
20232009 DB43 exits 10-LD bubble600010332009 CV last observed optically, by ARO at 5.65 LD inbound, V=18.5 reported
08412009 BG58 last observed optically, by ARO at 45.02 LD outbound, V=22.1 reported
07582009 DR3 discovered by CSS at 64.36 LD inbound, V=18.5 reported, elon. 170.1°
07222009 BF81 last observed optically, by ARO at 69.01 LD outbound, V=22.88 calculated
05412009 DN4 discovered by MLS at 15.67 LD inbound, V=20.5 reported, elon. 135.2°
04362009 DN4 observed first, by MLS at 15.72 LD inbound, V=21.0 reported, elon. 135.3°
19 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1
08352009 DU10 enters 10-LD bubble7000
18 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
13442009 DM40 enters 10-LD bubble60001528208023 1999 AQ10 closest Earth approach = 4.39 LD
04462009 DC45 enters 10-LD bubble5000
17 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
19152009 DW exits 10-LD bubble400007452009 DW discovered by LINEAR at 9.86 LD outbound, mag 18.8 reported, elon. 155.8°
06522009 DV discovered by LINEAR at 16.22 LD outbound, mag 19.2 reported, elon. 169.3°
0447208023 1999 AQ10 last observed optically, by Schiaparelli Obs. at 5.14 LD inbound, C=13.0 reported
16 Feb. 2009
UTEvents
02062009 DW closest Earth approach = 9.71 LD
15 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1
21522009 DV exits 10-LD bubble5000
02062009 BL58 exits 10-LD bubble6000
14 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
09062009 DW enters 10-LD bubble700005562009 DR3 observed first, by CSS at 83.48 LD inbound, V=18.7 reported, elon. 172.3°
04142009 DV closest Earth approach = 5.14 LD
13 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
19222009 CV enters 10-LD bubble60000950208023 1999 AQ10 last observed by radar, from DSS-14 at 10.66 LD inbound, V=14.17 calculated
1914208023 1999 AQ10 enters 10-LD bubble500000392009 DB43 closest Earth approach = 6.49 LD
12 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1
10362009 DV enters 10-LD bubble4000
07182011 CZ3 exits 10-LD bubble3000
11 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
17482009 DT10 exits 10-LD bubble400009322009 BL58 closest Earth approach = 4.74 LD
11042009 BE58 exits 10-LD bubble500002432009 BL58 last observed optically, by Great Shefford Obs. at 4.79 LD inbound, R=17.7 reported
08582009 CP exits 10-LD bubble6000
04562009 BW2 exits 10-LD bubble7000
10 Feb. 2009
UTEvents
14042009 DT10 closest Earth approach = 9.29 LD
0710208023 1999 AQ10 first observed by radar, from DSS-14 at 16.12 LD inbound, V=15.02 calculated
04052009 BE58 closest Earth approach = 8.47 LD
9 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
15022011 CZ3 exits Earth SOI800002192011 CZ3 closest Earth approach = 1.77 LD - Note: JPL reports an approach to 5.10 LD (1.46 minimum) at 0720 UTC with an uncertainty of +/- one day, 11 hours, and one minute.
10222009 DT10 enters 10-LD bubble810001122009 CP last observed optically, by Great Shefford Obs. at 7.83 LD outbound, R=19.5 reported
8 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
21032009 BE58 enters 10-LD bubble710019282011 CZ3 closest lunar approach = 1.85 LD
13352011 CZ3 enters Earth SOI610010172009 CP closest Earth approach = 7.71 LD
7 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1
21362009 BG81 exits 10-LD bubble6000
17152009 BL58 enters 10-LD bubble7000
06062009 BK58 exits 10-LD bubble6000
6 Feb. 2009
UTEvents
10102009 BE58 last observed optically, by LINEAR at 17.57 LD inbound, mag 16.4 reported
5 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
21172011 CZ3 enters 10-LD bubble700007202009 BS5 last observed optically, by ARO at 25.12 LD outbound, V=22.3 reported
11582009 CP enters 10-LD bubble600006042009 BH11 last observed optically, by ARO at 36.15 LD outbound, V=22.4 reported
04262009 DB43 enters 10-LD bubble500004492009 BG last observed optically, by ARO at 40.64 LD outbound, V=21.89 calculated
02402009 BW2 closest Earth approach = 8.40 LD
01132009 BW2 last observed optically, by ARO at 8.40 LD inbound, V=20.3 reported, elon. 87.3°
4 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
22382009 CC2 exits 10-LD bubble400008542009 CC2 last observed optically, by ARO at 7.45 LD outbound, V=20.3 reported
05232009 CC2 discovered by CSS at 6.80 LD outbound, V=19.3 reported, elon. 171.8°
3 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1
10212009 BK58 exits Earth SOI5000
05302009 CC2 exits Earth SOI5100
2 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
21312009 CC2 exits Earth-Moon system520021582009 CV discovered by Wildberg Obs. at 19.37 LD inbound, V=18.6 reported, elon. 162.4°
12072009 CC2 enters Earth-Moon system520116492009 CC2 closest Earth approach = 0.49 LD - Note: JPL reports an approach to 0.49 LD (0.46 minimum) with an uncertainty of +/- 35 minutes.
04082009 CC2 enters Earth SOI520016232009 CC2 closest lunar approach = 1.16 LD
15142009 BG81 closest Earth approach = 4.44 LD
15052009 BK58 closest Earth approach = 1.69 LD
13062009 BG81 last observed optically, by Tenagra II Obs. at 4.44 LD inbound, R=19.6 reported
07302009 BK58 closest lunar approach = 1.87 LD
05272009 CP discovered by MLS at 15.57 LD inbound, V=20.3 reported, elon. 159.4°
05272009 BF2 last observed optically, by Spacewatch 1.8m at 24.70 LD outbound, V=21.3 reported
1 Feb. 2009
UTBoundary Transitions<10<SIM<1E<1Events
19492009 BK58 enters Earth SOI510005272009 BK58 last observed optically, by CSS at 3.43 LD inbound, V=17.6 reported


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