<10=less than 10 LD from Earth

EBN Timeline for April 2007

<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)
27 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
18452007 HV4 exits 10-LD bubble200005012007 HP last observed optically, by Spacewatch 1.8m at 71.91 LD outbound, V=20.8 reported
26 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
11082007 HB15 exits Earth SOI300004262007 HC closest Earth approach = 4.84 LD
25 April 2007
UTBoundary Transitions<10<SIM<1E<1
10012007 HB15 exits Earth-Moon system3100
24 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
07022007 HB15 enters Earth-Moon system310120312007 HB15 closest Earth approach = 0.57 LD
13342007 HB15 closest lunar approach = 1.35 LD
11232007 HB15 last observed optically, by Tiki Obs. at 0.80 LD inbound, V=15.83 calculated
06172007 GX5 last observed optically, by Spacewatch 1.8m at 53.81 LD outbound, V=21.11 calculated
23 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
16052007 HV4 exits Earth SOI310007112007 HB15 discovered by CSS at 2.33 LD inbound, V=17.6 reported, elon. 161.3°
05542007 HB15 enters Earth SOI320001072007 HV4 last observed optically, by Great Shefford Obs. at 1.61 LD outbound, R=19.4 reported
22 April 2007
UTEvents
20362007 HC last observed optically, by Guidestar Obs. at 6.45 LD inbound, V=18.2 reported
16182007 HV4 closest Earth approach = 1.44 LD
13132007 HV4 closest lunar approach = 1.94 LD
07272007 HD15 discovered by CSS at 19.99 LD outbound, V=19.8 reported, elon. 124.2°
21 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
16312007 HV4 enters Earth SOI310023222007 HA last observed optically, by Beaconsfield Obs. at 22.04 LD outbound, R=17.5 reported, elon. 65.7°
20 April 2007
UTEvents
05002007 HV4 discovered by MLS at 5.01 LD inbound, V=20.4 reported, elon. 146.7°
19 April 2007
UTBoundary Transitions<10<SIM<1E<1
08462007 HC enters 10-LD bubble3000
01272007 HA exits 10-LD bubble2000
18 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
14202007 GU1 exits 10-LD bubble300006562007 HP discovered by CSS at 24.37 LD outbound, V=17.0 reported, elon. 174.7°
17 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
22502007 HB15 enters 10-LD bubble400009512007 HA closest Earth approach = 6.46 LD
14022007 HV4 enters 10-LD bubble3000
12122007 HD15 exits 10-LD bubble2000
16 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
07582007 GU1 exits Earth SOI300012392007 HC discovered by SSS at 13.33 LD inbound, V=19.9 reported, elon. 144.8°
07572007 HA discovered by LINEAR at 8.17 LD inbound, mag 14.2 reported, elon. 179.4°
05172007 GU1 closest lunar approach = 2.02 LD
00372007 GU1 closest Earth approach = 2.10 LD
15 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
18192007 HA enters 10-LD bubble310006272007 GX5 discovered by CSS at 22.33 LD outbound, V=19.6 reported, elon. 157.4°
17152007 GU1 enters Earth SOI210005312007 GU1 last observed optically, by Farpoint Obs. at 3.69 LD inbound, R=16.0 reported
09072007 HP exits 10-LD bubble2000
13 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
10572007 GU1 enters 10-LD bubble300018352007 HP closest Earth approach = 5.37 LD
12202007 HD15 closest Earth approach = 4.71 LD
08572007 HB15 observed first, by Micheli/Mauna Kea at 16.71 LD inbound, R=20.8 reported, elon. 166.8°
12 April 2007
UTBoundary Transitions<10<SIM<1E<1
04032007 HP enters 10-LD bubble2000
11 April 2007
UTEvents
07062007 GU1 discovered by CSS at 18.14 LD inbound, V=19.3 reported, elon. 161.2°
10 April 2007
UTBoundary Transitions<10<SIM<1E<1
22472007 GX5 exits 10-LD bubble1000
9 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
12232007 HD15 enters 10-LD bubble200008532007 GX5 closest Earth approach = 8.33 LD - Note: JPL reports an approach to 8.36 LD (8.28 minimum) .
7 April 2007
UTBoundary Transitions<10<SIM<1E<1
18582007 GX5 enters 10-LD bubble1000
6 April 2007
UTBoundary Transitions<10<SIM<1E<1
23302007 FY20 exits 10-LD bubble0000
22262009 HE60 exits 10-LD bubble1000
5 April 2007
UTEvents
16252009 HE60 closest Earth approach = 9.81 LD - Note: JPL reports an approach to 9.81 LD (5.82 minimum) with an uncertainty of +/- 3 hours and 28 minutes.
4 April 2007
UTBoundary Transitions<10<SIM<1E<1
10222009 HE60 enters 10-LD bubble2000
2 April 2007
UTEvents
22512007 FY20 closest Earth approach = 5.31 LD
1 April 2007
UTBoundary Transitions<10<SIM<1E<1Events
11332006 VV2 exits 10-LD bubble100020532007 FY20 last observed optically, by Great Shefford Obs. at 5.77 LD inbound, R=18.8 reported, elon. 89.4°


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