<10=less than 10 LD from Earth

EBN Timeline for April 2010

<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 2010
UTBoundary Transitions<10<SIM<1E<1
12352010 HW20 exits 10-LD bubble3000
29 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
06212010 HF exits 10-LD bubble400023472002 JR100 closest Earth approach = 8.03 LD
01492009 UY19 last observed optically, by ARO Westfield at 10.74 LD outbound, V=18.3 reported
28 April 2010
UTEvents
18592010 HW20 closest Earth approach = 9.85 LD - Note: JPL reports an approach to 9.85 LD (9.81 minimum) with an uncertainty of +/- 2 minutes.
27 April 2010
UTBoundary Transitions<10<SIM<1E<1
18162009 UY19 exits 10-LD bubble5000
01152010 HW20 enters 10-LD bubble6000
26 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
18582010 GP33 exits 10-LD bubble500009062010 GL65 last observed optically, by MLS at 33.72 LD outbound, V=21.1 reported
16022002 JR100 enters 10-LD bubble6000
25 April 2010
UTEvents
10262010 HW20 discovered by MLS at 10.39 LD inbound, V=20.2 reported, elon. 146.4°
24 April 2010
UTEvents
11042010 HF last observed optically, by Tenagra II Obs. at 4.71 LD outbound, R=19.7 reported
23 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
21262009 BD enters 10-LD bubble500008442009 UY19 closest Earth approach = 8.82 LD
15402010 GO67 exits 10-LD bubble4000
00422010 HP20 exits 10-LD bubble5000
22 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
0600308635 2005 YU55 exits 10-LD bubble600023362010 GP33 closest Earth approach = 8.10 LD
11152010 GO67 closest Earth approach = 7.46 LD
00322010 GO67 last observed optically, by Great Shefford Obs. at 7.87 LD inbound, R=18.1 reported
21 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
10472010 HF exits Earth SOI70001857308635 2005 YU55 last observed by radar, from Arecibo at 8.94 LD outbound, V=20. calculated
06512010 GO67 enters 10-LD bubble710006152010 GD25 last observed optically, by ARO Westfield at 47.03 LD outbound, V=22.8 reported
20 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
13042010 HF enters Earth SOI610023562010 HF closest Earth approach = 2.35 LD - Note: JPL reports an approach to 2.35 LD (2.34 minimum) .
2043308635 2005 YU55 last observed optically, by Great Shefford Obs. at 7.13 LD outbound, R=18.3 reported, elon. 58.4°
11542010 HP20 last observed optically, by MLS at 3.97 LD outbound, V=19.1 reported
10452010 HP20 discovered by MLS at 3.86 LD outbound, V=19.4 reported, elon. 136.9°
05172010 GP33 last observed optically, by Tenagra II Obs. at 9.15 LD inbound, R=20.2 reported
19 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
19512010 HP20 exits Earth SOI60002144308635 2005 YU55 first observed by radar, from Arecibo at 6.03 LD outbound, V=17.27 calculated
04252010 HP20 exits Earth-Moon system61001220308635 2005 YU55 closest Earth approach = 5.91 LD
04252010 GP33 enters 10-LD bubble6101
18 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
22582009 UY19 enters 10-LD bubble510120352010 HP20 closest Earth approach = 0.62 LD - Note: JPL reports an approach to 0.62 LD (0.07 minimum) with an uncertainty of +/- 3 hours and 39 minutes.
12462010 HP20 enters Earth-Moon system410111362010 HP20 closest lunar approach = 1.11 LD
07522010 GD6 last observed optically, by ARO Westfield at 47.04 LD outbound, V=22.0 reported, elon. 95.7°
0433distant 2010 FX9 last observed optically, by ARO Westfield at 78.32 LD, V=20.9 reported
03152010 HF discovered by LINEAR at 4.10 LD inbound, mag 18.2 reported, elon. 118.3°
17 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
21192010 HP20 enters Earth SOI410021222009 UY19 observed first, by Alter Satzberg Obs. at 10.58 LD inbound, V=18.1 reported, elon. 107.7°
07352010 GH7 last observed optically, by ARO Westfield at 16.12 LD outbound, V=21.3 reported
05292010 HY103 discovered by MLS at 44.23 LD inbound, V=20.2 reported, elon. 144.5°
16 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
1843308635 2005 YU55 enters 10-LD bubble400004552010 GV23 last observed optically, by MRO at 13.77 LD outbound, R=20.5 reported
03472010 GM23 exits 10-LD bubble3000
15 April 2010
UTEvents
10032010 GO67 discovered by MLS at 40.57 LD inbound, V=21.1 reported, elon. 164.3°
14 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
16242010 HP20 enters 10-LD bubble400007362010 GL65 discovered by LINEAR at 12.95 LD outbound, mag 18.8 reported, elon. 163.9°
03572010 FV9 last observed optically, by ARO Westfield at 57.14 LD outbound, V=22.7 reported
13 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
08332010 GF7 exits 10-LD bubble300002252010 GM23 closest Earth approach = 3.43 LD
04502010 GV23 exits 10-LD bubble400002162010 GM23 last observed optically, by WISE at 3.43 LD inbound, V=17.57 calculated, elon. 90.5°
12 April 2010
UTBoundary Transitions<10<SIM<1E<1
18222010 GA6 exits 10-LD bubble5000
16302010 HF enters 10-LD bubble6000
07002010 GL65 exits 10-LD bubble5000
02452010 GH7 exits 10-LD bubble6000
11 April 2010
UTEvents
06532010 GP33 discovered by MLS at 19.91 LD inbound, V=21.1 reported, elon. 142.8°
05302010 GP33 observed first, by MLS at 20.00 LD inbound, V=20.9 reported, elon. 142.8°
10 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
01052010 GM23 enters 10-LD bubble70000842distant 2010 JK1 observed first, by MLS at 49.89 LD, V=20.9 reported, elon. 165.3°
9 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
20572010 GA6 exits Earth SOI600011542010 GF7 last observed optically, by Tenagra II Obs. at 3.09 LD outbound, R=19.0 reported, elon. 71.3°
10272010 GA6 closest lunar approach = 1.72 LD
07452010 GD25 discovered by MLS at 21.35 LD outbound, V=20.2 reported, elon. 175.2°
0623distant 152664 1998 FW4 last observed optically, by ARO Westfield at 434.14 LD, V=22.0 reported
05162010 GV23 discovered by MLS at 5.18 LD outbound, V=19.2 reported, elon. 142.0°
03502010 GA6 last observed optically, by Tenagra II Obs. at 1.15 LD outbound, R=16.6 reported, elon. 82.9°
02062010 GA6 closest Earth approach = 1.13 LD
8 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
07162010 GA6 enters Earth SOI610022462010 GF7 closest Earth approach = 2.85 LD - Note: JPL reports an approach to 2.85 LD (2.84 minimum) .
07282010 GM23 discovered by CSS at 15.13 LD inbound, V=18.5 reported, elon. 160.4°
7 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
16242010 JW34 enters 10-LD bubble600021042010 GL65 closest Earth approach = 6.37 LD
06252014 GQ17 exits 10-LD bubble500009152010 GH7 discovered by CSS at 4.66 LD outbound, V=19.8 reported, elon. 148.4°
6 April 2010
UTBoundary Transitions<10<SIM<1E<1
09572010 GV23 exits Earth SOI6000
5 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
09552010 GA6 enters 10-LD bubble610011012010 GV23 closest Earth approach = 2.08 LD
08072010 GU21 discovered by CSS at 76.19 LD inbound, V=18.2 reported, elon. 166.9°
07102010 GV23 closest lunar approach = 2.85 LD
07032010 GF7 discovered by LINEAR at 8.45 LD inbound, mag 18.4 reported, elon. 144.7°
06122010 GD6 discovered by CSS at 16.70 LD outbound, V=19.4 reported, elon. 102.6°
03582010 GA6 discovered by CSS at 10.67 LD inbound, V=18.8 reported, elon. 136.0°
4 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
23162010 GH7 exits Earth SOI51001056distant 2007 AB2 last observed optically, by Tholen team/Mauna Kea at 574.85 LD, R=23.6 reported
13062010 GF7 enters 10-LD bubble520005472010 GH7 closest lunar approach = 2.41 LD
12062010 GV23 enters Earth SOI4200
3 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
10152010 GL65 enters 10-LD bubble410019222010 GH7 closest Earth approach = 1.97 LD
2 April 2010
UTBoundary Transitions<10<SIM<1E<1
15272010 GH7 enters Earth SOI3100
05472010 FR9 exits 10-LD bubble3000
00222010 FW9 exits 10-LD bubble4000
1 April 2010
UTBoundary Transitions<10<SIM<1E<1Events
23052010 FT exits 10-LD bubble500015212014 GQ17 closest Earth approach = 6.67 LD - Note: JPL reports an approach to 6.66 LD (4.73 minimum) with an uncertainty of +/- 2 hours and 55 minutes.
10102010 GD25 exits 10-LD bubble6000
07282010 GD6 exits 10-LD bubble7000


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