<10=less than 10 LD from Earth

EBN Timeline for March 2009

<HS=inside Earth's Hill sphere
M<1=less than 1 LD from the Moon
E<1=less than 1 LD from Earth (intruder)
LD = lunar distance = distance between Earth & Moon

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31 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
19352009 FP32 within one LD of Moon621023582009 FP32 closest Earth approach = 1.15 LD
19322009 FO32 exits Earth's Hill sphere620018392009 FQ32 closest Earth approach = 3.32 LD - Note: JPL reports an approach uncertainty of 8 minutes.
11052009 FO32 enters Earth's Hill sphere630015192009 FO32 closest Earth approach = 3.84 LD
04282009 FU30 enters 10-LD bubble620010362009 FR last observed optically, by Spacewatch 0.9m at 25.66 LD outbound, V=22.0 reported
30 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
21272009 FP32 enters Earth's Hill sphere520010532009 FO32 last observed optically, by Mt. John Obs. at 5.71 LD inbound, R=17.4 reported
09282009 FD exits 10-LD bubble510010412009 FQ32 last observed optically, by SSS at 3.59 LD inbound, V=18.2 reported
07472009 FV23 last observed optically, by ARO at 8.76 LD outbound, V=19.3 reported
07352009 FP32 last observed optically, by Sabino Canyon Obs. at 5.78 LD inbound, R=19.9 reported
29 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
19432009 FQ32 enters Earth's Hill sphere610007252009 FZ10 last observed optically, by Spacewatch 1.8m at 42.79 LD outbound, V=21.9 reported
01142009 FO32 enters 10-LD bubble600005472009 FQ32 discovered by LINEAR at 4.24 LD inbound, mag 18.8 reported, elon. 140.3°
01082009 FP32 enters 10-LD bubble500005462009 FP32 discovered by MLS at 9.35 LD inbound, V=20.7 reported, elon. 161.5°
28 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
15122009 FD exits Earth's Hill sphere400015022009 FO32 discovered by SSS at 11.42 LD inbound, V=18.5 reported, elon. 165.6°
10552009 EH3 last observed optically, by Spacewatch 1.8m at 90.85 LD outbound, V=22.37 calculated
09302009 FV23 closest Earth approach = 8.22 LD
06372009 FU30 discovered by CSS at 14.44 LD inbound, V=18.9 reported, elon. 156.2°
27 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23492009 FT23 exits 10-LD bubble410021202009 FD closest lunar approach = 1.66 LD
12352009 FX4 exits 10-LD bubble510015352009 FD closest Earth approach = 1.62 LD
09422009 FJ30 discovered by MLS at 94.61 LD inbound, V=20.4 reported, elon. 166.0°
04122009 FD last observed optically, by Great Shefford Obs. at 2.35 LD inbound, R=12.5 reported
26 March 2009
UTCBoundary Transitions<10<HSM<1E<1
15582009 FD enters Earth's Hill sphere6100
03342009 FK exits 10-LD bubble6000
01442009 FH exits 10-LD bubble7000
25 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
14262009 HC enters 10-LD bubble800009542009 FT23 closest Earth approach = 4.66 LD
01182009 DO111 exits 10-LD bubble7000
24 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
21432009 FD enters 10-LD bubble800009492009 FT23 last observed optically, by Young/Table Mtn. at 5.80 LD inbound, V=18.20 calculated
18322009 FV23 enters 10-LD bubble700006492009 FV23 discovered by CSS at 10.46 LD inbound, V=19.3 reported, elon. 145.2°
23 March 2009
UTCEvents
14342009 FX4 closest Earth approach = 6.13 LD
07032009 FT23 discovered by LINEAR at 8.64 LD inbound, mag 18.7 reported, elon. 162.8°
22 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
20052009 FT23 enters 10-LD bubble600010072009 FX4 last observed optically, by ARO at 6.58 LD inbound, V=19.2 reported
17432009 FQ32 enters 10-LD bubble5000
07142009 FK exits Earth's Hill sphere4000
21 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23502009 DO111 exits Earth's Hill sphere410007472009 FZ10 discovered by CSS at 18.79 LD outbound, V=19.5 reported, elon. 172.8°
09592009 FH exits Earth's Hill sphere420000402009 DO111 first observed by radar, from DSS-14 (transmit) & DSS-13 (receive) at 2.12 LD outbound, V=nil
01342009 FK more than one LD from Moon4300
20 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
20072009 FR exits 10-LD bubble431011282009 FK closest lunar approach = 0.42 LD
08042009 FJ exits 10-LD bubble531008102009 DO111 closest lunar approach = 1.98 LD
08032009 FW4 exits 10-LD bubble631004412009 DO111 last observed optically, by Harvest Moon Obs. at 1.22 LD outbound, R=13.0 reported, elon. 82.4°
02352009 FK exits Earth-Moon system731004122009 DO111 closest Earth approach = 1.22 LD
03482009 DT10 last observed optically, by ARO at 132.88 LD outbound, V=22.1 reported
19 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
21132009 FK within one LD of Moon731123142009 FK closest Earth approach = 0.97 LD
19532009 FK enters Earth-Moon system730107232009 FX4 discovered by CSS at 10.65 LD inbound, V=18.7 reported, elon. 151.8°
16532009 FX4 enters 10-LD bubble730006592009 FW4 discovered by LINEAR at 7.04 LD outbound, mag 17.2 reported, elon. 154.3°
14132009 FH more than one LD from Moon630005402009 DB43 last observed optically, by Spacewatch 1.8m at 37.39 LD outbound, V=22.63 calculated
05162009 FH exits Earth-Moon system631005022009 FH closest lunar approach = 0.89 LD
04592009 FK last observed optically, by Calar Alto Obs. at 1.57 LD inbound, C=16.9 reported
18 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
19502009 FH within one LD of Moon631112072009 FH closest Earth approach = 0.22 LD
08352009 DO111 enters Earth's Hill sphere630109252009 FH last observed optically, by SSS at 0.27 LD inbound, R=13.3 reported, elon. 89.8°
00572009 FW4 exits Earth's Hill sphere6201
00352009 FZ10 exits 10-LD bubble6301
17 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
18572009 FH enters Earth-Moon system730107012009 FK discovered by CSS at 4.44 LD inbound, V=19.0 reported, elon. 151.6°
15202009 FK enters Earth's Hill sphere730006262009 FR discovered by CSS at 6.88 LD outbound, V=17.8 reported, elon. 165.3°
11212009 DR3 exits 10-LD bubble720005512009 FJ discovered by CSS at 5.37 LD outbound, V=16.0 reported, elon. 154.3°
04082009 FH discovered by CSS at 1.81 LD inbound, V=16.5 reported, elon. 138.9°
03362009 FW4 closest Earth approach = 2.83 LD
16 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
06172009 FW4 enters Earth's Hill sphere820009332009 FG discovered by MLS at 25.85 LD outbound, V=19.8 reported, elon. 177.4°
05192009 FJ closest Earth approach = 4.92 LD
05032009 FR closest Earth approach = 6.66 LD
03302009 FD discovered by La Sagra Obs. at 41.81 LD inbound, V=18.0 reported, elon. 159.2°
15 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
14182009 FH enters Earth's Hill sphere810010332009 FZ10 closest Earth approach = 6.32 LD
07062009 DO111 enters 10-LD bubble800008442009 EH3 discovered by MLS at 41.14 LD outbound, V=20.2 reported, elon. 161.8°
02582009 EU exits 10-LD bubble700007392009 EH3 observed first, by MLS at 40.98 LD outbound, V=20.3 reported, elon. 161.8°
01002009 DR3 last observed by radar, from DSS-14 at 7.22 LD outbound, V=16.69 calculated
00202009 DR3 first observed by radar, from DSS-14 at 7.21 LD outbound, V=16.66 calculated
14 March 2009
UTCEvents
22362009 DR3 closest Earth approach = 7.21 LD
13 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23122009 FW4 enters 10-LD bubble800002442009 DM45 last observed optically, by ARO at 67.48 LD outbound, V=19.3 reported
19302009 FK enters 10-LD bubble7000
12 March 2009
UTCBoundary Transitions<10<HSM<1E<1
20232009 FZ10 enters 10-LD bubble6000
12492009 ET exits 10-LD bubble5000
09432009 DR3 enters 10-LD bubble6000
09092009 EH1 exits 10-LD bubble5000
02052009 FJ enters 10-LD bubble6000
11 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
22592009 EU exits Earth's Hill sphere500006292009 EU closest Earth approach = 3.51 LD
13102009 FR enters 10-LD bubble5100
12502009 DV43 exits 10-LD bubble4100
10 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23122009 FH enters 10-LD bubble510003052009 DV43 closest Earth approach = 8.44 LD
14002009 EU enters Earth's Hill sphere4100
9 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
17462009 EH1 exits Earth's Hill sphere400016592009 ET closest Earth approach = 9.53 LD - Note: JPL reports an approach uncertainty of 1 hour and 30 minutes.
14372009 EW exits 10-LD bubble410000592009 EU last observed optically, by Great Shefford Obs. at 6.46 LD inbound, R=18.3 reported
8 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
17212009 DV43 enters 10-LD bubble510006102009 EH1 closest Earth approach = 1.60 LD
08182009 DN4 exits 10-LD bubble4100
7 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23492009 DD45 exits 10-LD bubble510022272009 EH1 closest lunar approach = 1.25 LD
14402009 EA exits 10-LD bubble610022002009 DV43 last observed optically, by Castelmartini Obs. at 11.94 LD inbound, C=17.7 reported
11122009 EW exits Earth's Hill sphere7100
10142009 EU enters 10-LD bubble7200
01452009 FG exits 10-LD bubble6200
6 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
21492009 ET enters 10-LD bubble720005122009 DD45 last observed optically, by Great Shefford Obs. at 6.74 LD outbound, R=19.5 reported, elon. 79.6°
18332009 EH1 enters Earth's Hill sphere620004352009 EA last observed optically, by Great Shefford Obs. at 8.28 LD outbound, R=20.0 reported
07322009 EW exits Earth-Moon system610003362009 EW closest Earth approach = 0.88 LD
06172009 EH3 exits 10-LD bubble610102592009 EW last observed optically, by Great Shefford Obs. at 0.88 LD inbound, R=17.0 reported, elon. 72.4°
03422009 EW more than one LD from Moon710100442009 FG closest Earth approach = 9.71 LD
00202009 EW closest lunar approach = 0.90 LD
5 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23412009 EW enters Earth-Moon system711121482009 EH1 last observed optically, by Great Shefford Obs. at 5.84 LD inbound, R=19.4 reported
23012009 CV exits 10-LD bubble7110
20572009 EW within one LD of Moon8110
4 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23402009 FG enters 10-LD bubble810008072009 EA closest Earth approach = 7.33 LD
20002009 EW enters Earth's Hill sphere7100
16002009 DD45 exits Earth's Hill sphere7000
03062009 EH1 enters 10-LD bubble7100
3 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
21162009 EJ1 exits 10-LD bubble610023392009 EH3 closest Earth approach = 5.91 LD - Note: JPL reports an approach uncertainty of 5 minutes.
02162009 DD45 exits Earth-Moon system710014302009 EJ1 last observed optically, by Mt. John Obs. at 9.31 LD outbound, R=21.1 reported
11492009 DN4 closest Earth approach = 8.13 LD
06422009 EJ1 discovered by Spacewatch 0.9m at 8.51 LD outbound, V=20.6 reported, elon. 164.3°
06142009 DJ46 last observed optically, by ARO at 16.31 LD outbound, V=20.3 reported
06112009 EH1 discovered by MLS at 12.07 LD inbound, V=20.9 reported, elon. 176.6°
05412009 EY last observed optically, by MLS at 19.63 LD outbound, V=20.6 reported
05322009 ET last observed optically, by MLS at 11.84 LD inbound, V=20.3 reported
2 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
17362009 DS43 exits 10-LD bubble710113442009 DD45 closest Earth approach = 0.19 LD
16322009 EW enters 10-LD bubble810112342009 DT43 last observed optically, by Mt. John Obs. at 11.15 LD outbound, R=19.3 reported
03372009 DT43 exits 10-LD bubble710112122009 DD45 closest lunar approach = 1.15 LD
01122009 DD45 enters Earth-Moon system810111232009 DW last observed optically, by ARO at 21.97 LD outbound, V=21.9 reported
07152009 EY discovered by MLS at 17.48 LD outbound, V=20.8 reported, elon. 165.9°
07002009 EW discovered by CSS at 11.14 LD inbound, V=20.3 reported, elon. 150.1°
05462009 EU discovered by MLS at 22.38 LD inbound, V=21.4 reported, elon. 163.5°
05442009 ET discovered by MLS at 12.52 LD inbound, V=20.9 reported, elon. 160.9°
1 March 2009
UTCBoundary Transitions<10<HSM<1E<1Events
17482009 DU10 exits 10-LD bubble810019332009 DS43 last observed optically, by Great Shefford Obs. at 7.46 LD outbound, R=19.6 reported
17002009 EH3 enters 10-LD bubble910007252009 EA discovered by CSS at 9.68 LD inbound, V=18.7 reported, elon. 166.2°
09362009 EJ1 exits Earth's Hill sphere810002552009 DS43 closest Earth approach = 6.76 LD
01572009 EA enters 10-LD bubble8200

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