<10=less than 10 LD from Earth

EBN Timeline for April 2008

<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)
30 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
19252008 JP24 enters 10-LD bubble800020552008 JL3 closest Earth approach = 5.12 LD
09022008 HJ last observed optically, by ARO at 2.96 LD outbound, V=18.5 reported
07472008 HU4 discovered by CSS at 2.65 LD outbound, V=18.2 reported, elon. 163.1°
07092008 HC38 discovered by LINEAR at 7.33 LD outbound, mag 18.6 reported, elon. 163.5°
29 April 2008
UTEvents
19232008 HJ closest Earth approach = 2.79 LD
15582008 JC closest Earth approach = 2.48 LD
10312008 JQ closest Earth approach = 6.92 LD
06382008 HR3 discovered by MLS at 43.82 LD inbound, V=21.2 reported, elon. 167.4°
06002008 HQ3 discovered by MLS at 10.57 LD outbound, V=20.4 reported, elon. 161.2°
28 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
09062008 HC38 exits Earth SOI700002002008 HC38 closest lunar approach = 1.33 LD
07572008 GD110 exits 10-LD bubble710001132008 HC38 closest Earth approach = 2.18 LD
05192008 HQ3 exits 10-LD bubble8100
27 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
17202008 HC38 enters Earth SOI910006422008 HD2 discovered by MLS at 32.43 LD inbound, V=20.1 reported, elon. 167.8°
05452008 GB21 last observed optically, by Spacewatch 1.8m at 44.21 LD outbound, V=22.01 calculated
01152008 HU4 closest Earth approach = 2.46 LD
26 April 2008
UTBoundary Transitions<10<SIM<1E<1
13132008 JC enters 10-LD bubble9000
07152008 JL3 enters 10-LD bubble8000
25 April 2008
UTBoundary Transitions<10<SIM<1E<1
03002008 JQ enters 10-LD bubble7000
24 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
22012008 HC38 enters 10-LD bubble600005562008 HJ discovered by LINEAR at 10.13 LD inbound, mag 18.7 reported, elon. 160.4°
21062008 JL24 enters 10-LD bubble5000
07442008 HJ enters 10-LD bubble4000
23 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
01382008 GL2 exits 10-LD bubble300021362008 GD110 last observed optically, by Great Shefford Obs. at 3.25 LD outbound, R=18.1 reported, elon. 72.9°
08042008 HQ3 closest Earth approach = 8.66 LD
06162008 GD110 closest Earth approach = 3.02 LD
18 April 2008
UTBoundary Transitions<10<SIM<1E<1
08212008 HQ3 enters 10-LD bubble4000
04292008 GD110 enters 10-LD bubble3000
17 April 2008
UTBoundary Transitions<10<SIM<1E<1
22052008 GP3 exits 10-LD bubble2000
16 April 2008
UTEvents
09122008 GE128 last observed optically, by MLS at 21.56 LD outbound, V=21.00 calculated
02592008 GL2 closest Earth approach = 7.69 LD
15 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
07432008 GX3 exits 10-LD bubble300005572008 GL20 last observed optically, by ARO at 11.37 LD outbound, V=20.0 reported
14 April 2008
UTEvents
12252008 GP3 closest Earth approach = 3.21 LD
11042008 GE128 discovered by MLS at 18.44 LD outbound, V=20.4 reported, elon. 143.6°
07492008 GY21 last observed optically, by Spacewatch 1.8m at 11.52 LD outbound, V=21.2 reported
06532008 GD110 discovered by CSS at 17.19 LD inbound, V=19.5 reported, elon. 160.4°
06112008 GM2 last observed optically, by Spacewatch 1.8m at 11.02 LD outbound, V=22.0 reported
13 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
21422008 GL20 exits 10-LD bubble400007532008 GY21 discovered by MLS at 9.02 LD outbound, V=20.3 reported, elon. 158.9°
17152008 GY21 exits 10-LD bubble500006262008 GY21 observed first, by MLS at 8.87 LD outbound, V=20.4 reported, elon. 158.8°
07212008 GM2 exits 10-LD bubble6000
12 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
08322008 GB21 exits 10-LD bubble700022002008 GX3 last observed optically, by Great Shefford Obs. at 7.53 LD outbound, R=20.7 reported, elon. 99.4°
14522008 GP3 last observed optically, by Faulkes South at 6.18 LD inbound, R=17.2 reported
09172008 GB21 discovered by CSS at 10.07 LD outbound, V=18.6 reported, elon. 169.2°
11 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
02472008 GP3 enters 10-LD bubble800022432008 GX3 closest Earth approach = 7.27 LD
08552008 GW20 discovered by CSS at 16.01 LD outbound, V=16.1 reported, elon. 134.6°
08242008 GW20 observed first, by LINEAR at 15.96 LD outbound, mag 17.2 reported, elon. 134.6°
05562008 EA9 last observed optically, by Spacewatch 1.8m at 23.95 LD outbound, V=22.78 calculated
10 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
17162008 GF1 exits 10-LD bubble70001226distant 2007 DD last observed optically, by Mt. John Obs. at 36.91 LD, R=21.6 reported
12482008 GY21 exits Earth SOI80001211distant 2007 DD observed first, by Mt. John Obs. at 36.90 LD, R=21.8 reported, elon. 155.8°
10412008 GL2 last observed optically, by Mt. John Obs. at 9.36 LD inbound, R=19.8 reported
9 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
20552008 GY21 more than one LD from Moon810019352008 GY21 closest Earth approach = 1.58 LD - Note: JPL reports an approach to 1.58 LD (1.56 minimum) with an uncertainty of +/- 12 minutes.
08582008 GY21 within one LD of Moon811014562008 GY21 closest lunar approach = 0.81 LD
08242008 GL2 enters 10-LD bubble810007492008 GL20 discovered by LINEAR at 6.50 LD outbound, mag 19.6 reported, elon. 145.7°
02552008 GE128 exits 10-LD bubble7100
02222008 GY21 enters Earth SOI8100
8 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
13522008 GX3 enters 10-LD bubble800004352008 GX3 discovered by LINEAR at 10.56 LD inbound, mag 20.4 reported, elon. 127.0°
08492008 GF1 exits Earth SOI700004342008 FJ7 last observed optically, by Spacewatch 0.9m at 32.67 LD outbound, V=21.1 reported
08102008 GW20 exits 10-LD bubble710000322008 GB21 closest Earth approach = 2.58 LD
04372008 GF1 more than one LD from Moon8100
7 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
20492008 GF1 exits Earth-Moon system811022342008 GF1 closest lunar approach = 0.52 LD
16302008 GF1 within one LD of Moon811116062008 GF1 closest Earth approach = 0.76 LD
11222008 GF1 enters Earth-Moon system810112012008 GL20 closest Earth approach = 6.10 LD
6 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
23222008 GF1 enters Earth SOI810023542008 GF1 last observed optically, by Great Shefford Obs. at 2.34 LD inbound, R=17.6 reported
06472009 HE60 exits 10-LD bubble800009542008 GM2 discovered by CSS at 2.73 LD outbound, V=18.4 reported, elon. 162.5°
02202008 GM2 exits Earth SOI900006362008 GL2 discovered by MLS at 12.12 LD inbound, V=20.6 reported, elon. 163.6°
05292008 EJ85 last observed optically, by ARO at 44.21 LD outbound, mag 22.1 reported
5 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
21552008 GY21 enters 10-LD bubble910007202008 GF1 discovered by MLS at 7.78 LD inbound, V=19.9 reported, elon. 178.8°
19442008 FX6 exits 10-LD bubble8100
09272008 FH5 exits 10-LD bubble9100
4 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
16272008 GM2 exits Earth-Moon system1010022552009 HE60 closest Earth approach = 9.79 LD - Note: JPL reports an approach to 9.79 LD (6.53 minimum) with an uncertainty of +/- one hour and 38 minutes.
14582008 GF1 enters 10-LD bubble1010118432008 GW20 closest Earth approach = 5.99 LD
3 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
16172008 GB21 enters 10-LD bubble910121452008 GM2 closest Earth approach = 0.54 LD
14582009 HE60 enters 10-LD bubble810120262008 FX6 last observed optically, by Great Shefford Obs. at 8.13 LD outbound, R=18.6 reported
03032008 GM2 enters Earth-Moon system710107372008 GM2 closest lunar approach = 1.16 LD
06372008 GE128 closest Earth approach = 3.28 LD - Note: JPL reports an approach to 3.28 LD (3.19 minimum) at 0642 UTC with an uncertainty of +/- 26 minutes.
05542008 GP3 discovered by Spacewatch 0.9m at 31.90 LD inbound, V=20.4 reported, elon. 168.2°
2 April 2008
UTBoundary Transitions<10<SIM<1E<1Events
08442010 FR9 exits 10-LD bubble710013462008 FH5 closest Earth approach = 7.57 LD
1 April 2008
UTBoundary Transitions<10<SIM<1E<1
17062008 GM2 enters Earth SOI8100
05182008 GW20 enters 10-LD bubble8000


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