<10=less than 10 LD from Earth

EBN Timeline for September 2011

<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 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
22332011 SM173 exits Earth-Moon system410018492011 SM173 closest lunar approach = 1.12 LD
11302011 SM173 enters Earth-Moon system410117012011 SM173 closest Earth approach = 0.76 LD
02122011 TQ8 exits 10-LD bubble410010522011 SM173 last observed optically, by SSS at 1.05 LD inbound, V=16.91 calculated
01332011 SC108 exits 10-LD bubble510009572011 SE191 designation credited to MLS at 24.90 LD outbound, V=20.2 reported, elon. 156.4°
08442011 SP26 last observed optically, by Spacewatch 1.8m at 86.35 LD outbound, V=22.00 calculated
29 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
22242011 SE58 exits 10-LD bubble610018092011 SO5 closest Earth approach = 5.53 LD
21442011 SM173 enters Earth SOI710010092011 SO189 designation credited to MLS at 14.95 LD outbound, V=20.4 reported, elon. 157.7°
20582011 TO exits Earth SOI700005242011 SM173 designation credited to CSS at 4.28 LD inbound, V=19.7 reported, elon. 150.8°
03032011 TO exits Earth-Moon system710001312011 TQ8 closest Earth approach = 9.56 LD
28 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
12552011 TO more than one LD from Moon710115242011 TO closest Earth approach = 0.33 LD
08492011 SC108 exits Earth SOI71110704distant 293726 2007 RQ17 last observed optically, by MLS at 91.19 LD, V=20.3 reported
03462011 TO enters Earth-Moon system721103522011 TO closest lunar approach = 0.71 LD
00502011 TQ8 enters 10-LD bubble721002252011 SC108 closest lunar approach = 1.56 LD
27 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
18522011 TO within one LD of Moon621022082011 SC108 closest Earth approach = 1.24 LD
18302011 SE58 exits Earth SOI620012192011 SC108 last observed optically, by MLS at 2.27 LD inbound, V=17.8 reported
17302011 SO189 exits 10-LD bubble630008382011 SE58 closest lunar approach = 0.70 LD
13232011 SE58 more than one LD from Moon730005452011 SC108 designation credited to CSS at 3.40 LD inbound, V=19.1 reported, elon. 167.5°
11282011 SC108 enters Earth SOI731002452011 SE58 closest Earth approach = 0.62 LD
09492011 TO enters Earth SOI721000112011 SE58 last observed optically, by Great Shefford Obs. at 0.73 LD inbound, R=14.2 reported
08052011 SE58 exits Earth-Moon system7110
04462011 SM173 enters 10-LD bubble7111
03522011 SE58 within one LD of Moon6111
26 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
21262011 SE58 enters Earth-Moon system610108282011 SE97 designation credited to MLS at 52.85 LD inbound, V=20.9 reported, elon. 176.5°
16112011 SO5 enters 10-LD bubble6100
11012011 SE58 enters Earth SOI5100
25 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
19152007 TD exits 10-LD bubble500022072011 SK68 last observed optically, by St. Pardon de Conques Obs. at 10.45 LD outbound, V=20.0 reported
18452011 SC108 enters 10-LD bubble6000
14462011 SK68 exits 10-LD bubble5000
02162011 SE191 exits 10-LD bubble6000
01102011 SO189 exits Earth SOI7000
24 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
09352011 SO189 more than one LD from Moon710008062011 SO189 closest Earth approach = 1.20 LD
07102011 SE58 enters 10-LD bubble711007092011 SK68 designation credited to MLS at 8.19 LD outbound, V=19.8 reported, elon. 173.0°
00242011 SO189 within one LD of Moon611004592011 SO189 closest lunar approach = 0.80 LD
23 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
20292011 SQ32 exits 10-LD bubble610008322011 SQ32 designation credited to CSS at 9.42 LD outbound, V=17.9 reported, elon. 158.6°
15022011 SO189 enters Earth SOI710006542011 SE58 designation credited to Spacewatch 1.8m at 13.58 LD inbound, V=20.8 reported, elon. 174.6°
10422011 TO enters 10-LD bubble700002172011 SE191 closest Earth approach = 7.65 LD
22 Sept. 2011
UTEvents
22112007 TD closest Earth approach = 6.24 LD - Note: JPL reports an approach to 6.79 LD (2.27 minimum) at 1952 UTC with an uncertainty of +/- 10 hours and 57 minutes.
05172011 SS26 designation credited to Spacewatch 0.9m at 33.87 LD outbound, V=20.3 reported, elon. 156.0°
21 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
02152011 SE191 enters 10-LD bubble600011182011 QF48 last observed optically, by Tholen team/Mauna Kea at 113.69 LD outbound, R=24.4 reported
08502011 SE58 observed first, by PS1 at 20.42 LD inbound, w=21.8 reported, elon. 175.7°
07402011 PU1 last observed optically, by Tholen team/Mauna Kea at 85.87 LD outbound, R=23.2 reported
00582011 SK68 closest Earth approach = 5.79 LD
20 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1Events
22432011 SO189 enters 10-LD bubble500012292011 SP26 designation credited to PS1 at 61.66 LD outbound, r=21.0 reported, elon. 149.8°
01192007 TD enters 10-LD bubble400005222011 SQ32 closest Earth approach = 7.47 LD
18 Sept. 2011
UTEvents
07302011 SO5 designation credited to MLS at 31.82 LD inbound, V=20.8 reported, elon. 177.3°
16 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1
13512011 SQ32 enters 10-LD bubble3000
10142011 SK68 enters 10-LD bubble2000
11 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1
09262011 UD21 enters 10-LD bubble1000
10 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1
12342011 SS26 exits 10-LD bubble0000
6 Sept. 2011
UTEvents
10202011 SS26 closest Earth approach = 5.12 LD - Note: JPL reports an approach to 5.05 LD (4.92 minimum) at 1015 UTC with an uncertainty of +/- 13 minutes.
4 Sept. 2011
UTEvents
13482011 QD50 last observed optically, by Mt. John Obs. at 36.59 LD outbound, R=20.0 reported
3 Sept. 2011
UTEvents
12292011 MD last observed optically, by Tholen team/Mauna Kea at 19.95 LD outbound, R=23.0 reported
09342011 QE23 last observed optically, by ARO Westfield at 16.20 LD outbound, V=20.6 reported
2 Sept. 2011
UTBoundary Transitions<10<SIM<1E<1
08232011 SS26 enters 10-LD bubble1000


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