<10=less than 10 LD from Earth

EBN Timeline for April 2013

<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 2013
UTBoundary Transitions<10<SIM<1E<1
06212013 JF1 exits 10-LD bubble2000
29 April 2013
UTEvents
08222013 JF1 closest Earth approach = 9.91 LD
28 April 2013
UTBoundary Transitions<10<SIM<1E<1
10212013 JF1 enters 10-LD bubble3000
24 April 2013
UTBoundary Transitions<10<SIM<1E<1
10382013 JO7 enters 10-LD bubble2000
23 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
02322013 GH23 exits 10-LD bubble10002119discovery MPEC issued for 2013 HT14
21 April 2013
UTEvents
06122013 HT14 designation credited to MLS at 14.67 LD outbound, V=19.5 reported, elon. 172.9°
05252013 FK last observed optically, by Holmes/CTIO at 102.64 LD outbound, V=21.8 reported
20 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
06132013 HT14 exits 10-LD bubble200000542013 HT25 last observed optically, by Great Shefford Obs. at 9.71 LD outbound, R=21.4 reported
01562013 HT25 exits 10-LD bubble3000
19 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
07292013 GJ69 exits 10-LD bubble400014122013 GH23 closest Earth approach = 5.46 LD
09572013 HT25 designation credited to PS1 at 5.58 LD outbound, i=20.0 reported, elon. 163.8°
06512013 HT25 observed first, by CSS at 4.72 LD outbound, R=20.2 reported, elon. 163.7°
18 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
22282013 HT25 exits Earth SOI50001704discovery MPEC issued for 2013 HO
17222013 HT25 exits Earth-Moon system510014482013 HT25 closest lunar approach = 0.87 LD
16372013 HT25 more than one LD from Moon510113482013 HT25 closest Earth approach = 0.14 LD
12582013 HT25 within one LD of Moon511104572013 HT14 closest Earth approach = 2.20 LD
10142013 HT25 enters Earth-Moon system510104452013 HT14 closest lunar approach = 2.05 LD
09492013 HT14 exits Earth SOI510003132013 GJ69 last observed optically, by Schiaparelli Obs. at 8.81 LD outbound, R=19.8 reported
05082013 HT25 enters Earth SOI5200
00042013 HT14 enters Earth SOI5100
17 April 2013
UTBoundary Transitions<10<SIM<1E<1
19252013 HO exits 10-LD bubble5000
01562010 GM23 exits 10-LD bubble6000
01402013 HT25 enters 10-LD bubble7000
16 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
03402013 HT14 enters 10-LD bubble600008412013 HO designation credited to CSS at 8.96 LD outbound, V=19.0 reported, elon. 150.3°
01532013 GH23 enters 10-LD bubble5000
15 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
23442013 GT66 exits 10-LD bubble400021042013 GJ69 closest Earth approach = 7.78 LD
03212013 GH66 closest Earth approach = 3.98 LD
14 April 2013
UTEvents
01282013 GB55 last observed optically, by NSO/Liverpool Tel. at 10.04 LD outbound, V=18.65 calculated
13 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
22442013 GB55 exits 10-LD bubble500022592010 GM23 closest Earth approach = 3.87 LD - Note: JPL reports an approach to 2.90 LD (0.86 minimum) at 1858 UTC with an uncertainty of +/- 2 days5 minutes.
1354discovery MPEC issued for 2013 GJ69
12332013 GH23 last observed optically, by Sato/iTelObs-SSO at 15.49 LD inbound, V=20.4 reported
01532013 GT66 closest Earth approach = 7.09 LD
12 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
10572013 GJ69 enters 10-LD bubble600019552013 GB55 closest Earth approach = 9.79 LD
1434discovery MPEC issued for 2013 GT66
1327discovery MPEC issued for 2013 GH66
10172013 GT66 last observed optically, by Arcadia Obs. at 7.26 LD inbound, V=17.8 reported
06002013 GJ69 designation credited to MLS at 10.24 LD inbound, V=19.4 reported, elon. 152.1°
11 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
23522013 GW38 exits 10-LD bubble500023452013 HO closest Earth approach = 7.38 LD
17062013 GB55 enters 10-LD bubble60001813discovery MPEC issued for 2013 GD55
1807discovery MPEC issued for 2013 GB55
1803discovery MPEC issued for 2013 GA55
06232013 GT66 designation credited to CSS at 8.35 LD inbound, V=17.6 reported, elon. 161.9°
04082013 GA55 last observed optically, by Holmes/CTIO at 14.63 LD outbound, V=21.0 reported
10 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
20022010 GM23 enters 10-LD bubble50002323discovery MPEC issued for 2013 GW38
04252013 GT66 enters 10-LD bubble400019022013 GW38 last observed optically, by Lister/Faulkes South at 7.20 LD outbound, R=20.5 reported
10332013 GD55 designation credited to MLS at 25.05 LD outbound, V=18.8 reported, elon. 136.0°
07282013 GB55 designation credited to CSS at 10.82 LD inbound, V=19.1 reported, elon. 158.4°
9 April 2013
UTEvents
10512013 GW38 designation credited to PS1 at 4.14 LD outbound, V=19.3 reported, elon. 167.5°
10412013 GA55 designation credited to PS1 at 10.98 LD outbound, w=20.4 reported, elon. 174.5°
8 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
23222013 GA55 exits 10-LD bubble30002147discovery MPEC issued for 2013 GH23
15232013 GW38 exits Earth SOI4000
7 April 2013
UTEvents
18532013 GW38 closest Earth approach = 1.32 LD
15142013 GW38 closest lunar approach = 2.21 LD
08252013 GH66 designation credited to PS1 at 5.52 LD inbound, w=20.3 reported, elon. 147.9°
08172013 GH23 designation credited to PS1 at 29.99 LD inbound, w=21.5 reported, elon. 157.7°
6 April 2013
UTBoundary Transitions<10<SIM<1E<1
22242013 GW38 enters Earth SOI4100
03372013 HO enters 10-LD bubble4000
4 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
19152013 FB8 exits 10-LD bubble300013042013 GA55 closest Earth approach = 2.96 LD - Note: JPL reports an approach to 2.95 LD (2.94 minimum) at 1310 UTC with an uncertainty of +/- 3 minutes.
3 April 2013
UTBoundary Transitions<10<SIM<1E<1Events
13452013 GW38 enters 10-LD bubble400005312013 EE68 last observed optically, by ARO Westfield at 85.53 LD outbound, V=22.1 reported
09322013 EL89 exits 10-LD bubble3000
2 April 2013
UTBoundary Transitions<10<SIM<1E<1
10112013 GD55 exits 10-LD bubble4000


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