<10=less than 10 LD from Earth

EBN Timeline for October 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)
31 Oct. 2011
UTEvents
10102011 UC190 last observed optically, by ARO Westfield at 12.08 LD outbound, V=20.2 reported
07442011 SQ32 last observed optically, by ARO Westfield at 81.49 LD outbound, V=22.8 reported
06322011 UL169 last observed optically, by Spacewatch 1.8m at 10.98 LD outbound, V=21.78 calculated
30 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
19282011 UL169 exits 10-LD bubble200010412011 UZ255 designation credited to Spacewatch 0.9m at 28.34 LD outbound, V=18.9 reported, elon. 143.4°
13352011 UC190 exits 10-LD bubble300006562011 UX255 designation credited to MLS at 9.39 LD outbound, V=20.1 reported, elon. 168.3°
09582011 VT5 exits 10-LD bubble400005452011 TQ8 last observed optically, by ARO Westfield at 95.29 LD outbound, V=22.2 reported
09212011 UX255 exits 10-LD bubble5000
29 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
03082011 UX255 exits Earth SOI600010132011 YT62 closest Earth approach = 8.80 LD
03452011 UO91 last observed optically, by ARO Westfield at 47.94 LD outbound, V=21.9 reported
28 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
21242011 UX255 exits Earth-Moon system610017422011 UX255 closest Earth approach = 0.36 LD
16522011 UX255 more than one LD from Moon610114352011 UX255 closest lunar approach = 0.82 LD
14002011 UX255 enters Earth-Moon system611112002011 VT5 closest Earth approach = 6.31 LD - Note: JPL reports an approach at 1157 UTC with an uncertainty of +/- 18 minutes.
12192011 UX255 within one LD of Moon611007442011 UC190 designation credited to CSS at 4.70 LD outbound, V=17.6 reported, elon. 152.2°
08162011 UX255 enters Earth SOI6100
27 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
11512011 UC64 exits 10-LD bubble600009012011 UM169 designation credited to CSS at 18.30 LD outbound, V=19.2 reported, elon. 151.1°
10562011 UH10 exits 10-LD bubble700007002011 UL169 designation credited to CSS at 2.61 LD outbound, V=18.1 reported, elon. 161.2°
04422011 UC190 exits Earth SOI8000
04352011 UL169 exits Earth SOI8100
02042011 UX255 enters 10-LD bubble8200
26 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
14022011 VT5 enters 10-LD bubble720013112011 UC190 closest Earth approach = 1.81 LD
10412011 UL169 exits Earth-Moon system620011072011 UM169 observed first, by PS1 at 15.70 LD outbound, R=18.9 reported, elon. 147.5°
07232011 UC190 closest lunar approach = 2.34 LD
02312011 UL169 closest Earth approach = 0.69 LD
25 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
21392011 UC190 enters Earth SOI620120032011 UL169 closest lunar approach = 1.35 LD
18202011 UL169 enters Earth-Moon system61011002distant 436724 2011 UW158 designation credited to PS1 at 266.17 LD, w=20.9 reported, elon. 144.1°
01392011 YT62 enters 10-LD bubble610004422011 UQ63 last observed optically, by Holmes/CTIO at 58.93 LD outbound, V=21.6 reported
00262011 UL169 enters Earth SOI5100
24 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
23302011 UC64 exits Earth SOI500022452011 UH10 closest Earth approach = 9.61 LD
07382011 UM169 exits 10-LD bubble510014252011 UC64 closest lunar approach = 1.89 LD
01312011 UL10 exits 10-LD bubble610008112011 UC64 closest Earth approach = 1.32 LD
02022011 UC64 last observed optically, by ARO Westfield at 1.55 LD inbound, V=18.1 reported
23 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
16512011 UC64 enters Earth SOI710009052011 UA64 last observed optically, by MRO at 16.99 LD outbound, R=20.1 reported
03162011 UB exits 10-LD bubble700008252011 UT91 designation credited to PS1 at 64.01 LD inbound, g=21.1 reported, elon. 141.9°
22 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
23022009 TM8 exits 10-LD bubble800022482011 UE last observed optically, by Guidestar Obs. at 19.84 LD outbound, R=19.9 reported
12342011 UC190 enters 10-LD bubble900007372011 UC64 designation credited to MLS at 6.50 LD inbound, V=19.0 reported, elon. 166.7°
11122011 UH10 enters 10-LD bubble800006172011 UA64 designation credited to MLS at 13.56 LD outbound, V=19.5 reported, elon. 177.1°
05252011 UO91 designation credited to MLS at 27.63 LD outbound, V=20.6 reported, elon. 161.5°
0202distant 136617 1994 CC observed first, by LINEAR at 178.38 LD, mag 18.3 reported, elon. 107.6°
21 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
09412011 UZ255 exits 10-LD bubble700016102011 UM169 closest Earth approach = 6.00 LD
09212011 UL169 enters 10-LD bubble800009392011 UB last observed optically, by ARO Westfield at 7.97 LD outbound, V=20.6 reported
04332011 UC64 enters 10-LD bubble700007082011 UL10 closest Earth approach = 3.46 LD
00532011 UA64 exits 10-LD bubble600006052011 UR63 designation credited to LINEAR at 12.28 LD outbound, mag 19.3 reported, elon. 152.0°
03172011 UH10 last observed optically, by Schiaparelli Obs. at 10.51 LD inbound, R=19.5 reported
20 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
12052011 UZ255 enters 10-LD bubble700022532011 UZ255 closest Earth approach = 9.92 LD
09562011 UQ63 designation credited to PS1 at 43.92 LD outbound, g=21.1 reported, elon. 154.6°
09472011 UL10 last observed optically, by SSS at 4.59 LD inbound, V=17.6 reported
19 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
12322011 UR63 exits 10-LD bubble600005502011 UB first observed by radar, from Arecibo at 5.91 LD outbound, V=20.07 calculated
00452011 UM169 enters 10-LD bubble7000
18 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
16392009 TM8 exits Earth SOI600014592011 UR63 closest Earth approach = 9.66 LD
15052011 UD21 exits Earth SOI610012172011 UL10 designation credited to SSS at 10.06 LD inbound, V=18.6 reported, elon. 153.1°
12462011 UL10 enters 10-LD bubble620012162011 UL10 observed first, by SSS at 10.07 LD inbound, V=18.6 reported, elon. 153.1°
12042011 UK10 designation credited to PS1 at 15.31 LD outbound, i=20.1 reported, elon. 143.0°
10042011 UD21 designation credited to MLS at 2.37 LD outbound, V=18.7 reported, elon. 148.9°
09582011 UA64 closest Earth approach = 5.24 LD - Note: JPL reports an approach to 5.24 LD (5.18 minimum) with an uncertainty of +/- 6 minutes.
07092011 UH10 designation credited to MLS at 12.18 LD inbound, V=19.8 reported, elon. 178.0°
17 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
22532009 TM8 more than one LD from Moon520011312009 TM8 closest lunar approach = 0.65 LD
17242011 UR63 enters 10-LD bubble521011092009 TM8 closest Earth approach = 0.89 LD - Note: JPL reports an approach to 0.85 LD (0.46 minimum) at 1142 UTC with an uncertainty of +/- 14 hours and 8 minutes.
17102009 TM8 exits Earth-Moon system421009522011 UE designation credited to CSS at 11.25 LD outbound, V=18.2 reported, elon. 155.7°
05312011 UT exits 10-LD bubble421109512011 UT designation credited to Spacewatch 0.9m at 10.41 LD outbound, V=19.3 reported, elon. 148.7°
05072009 TM8 enters Earth-Moon system521101262011 UB closest Earth approach = 5.02 LD
00092009 TM8 within one LD of Moon5210
16 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
10372011 UE exits 10-LD bubble520007402011 UB designation credited to CSS at 5.13 LD inbound, V=18.6 reported, elon. 177.8°
05392009 TM8 enters Earth SOI620002112011 UD21 closest lunar approach = 1.04 LD
15 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1
18562011 UA64 enters 10-LD bubble6100
03472011 UO91 exits 10-LD bubble5100
00162011 UK10 exits 10-LD bubble6100
14 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1
01182011 SE97 exits 10-LD bubble7100
13 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
21392011 TB4 exits 10-LD bubble810014502011 UD21 closest Earth approach = 1.90 LD
20002011 UT exits Earth SOI910005162011 UT closest lunar approach = 0.16 LD
16042011 UT more than one LD from Moon920003012011 UO91 closest Earth approach = 8.11 LD
06102011 UT exits Moon SOI9210
04192011 UT enters Moon SOI9210
03472011 UT exits Earth-Moon system9210
12 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
18262011 UT within one LD of Moon921119142011 UT closest Earth approach = 0.59 LD
10402011 UT enters Earth-Moon system920112562011 UE closest Earth approach = 7.24 LD - Note: JPL reports an approach to 7.25 LD (7.21 minimum) .
03422011 SE97 closest Earth approach = 7.90 LD
11 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
23262009 TM8 enters 10-LD bubble920008072011 SE97 last observed optically, by ARO Westfield at 8.33 LD inbound, V=18.4 reported
18282011 UT enters Earth SOI8200
02122011 UO91 enters 10-LD bubble8100
00302011 UB enters 10-LD bubble7100
10 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
06102011 SE97 enters 10-LD bubble610023372011 TB4 closest Earth approach = 5.16 LD
9 Oct. 2011
UTEvents
11132011 UK10 closest Earth approach = 4.38 LD
8 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
23352011 UQ63 exits 10-LD bubble510003172011 TB4 last observed optically, by ARO Westfield at 9.83 LD inbound, V=18.4 reported
15052011 UD21 enters Earth SOI6100
14402011 UE enters 10-LD bubble6000
08582011 UT enters 10-LD bubble5000
01382011 TB4 enters 10-LD bubble4000
7 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1
23322017 FW exits 10-LD bubble3000
21582011 TP exits 10-LD bubble4000
6 Oct. 2011
UTEvents
08082011 SO189 last observed optically, by ARO Westfield at 35.51 LD outbound, V=22.2 reported
06452011 TQ8 designation credited to MLS at 22.74 LD outbound, V=19.5 reported, elon. 138.9°
5 Oct. 2011
UTEvents
23172011 UQ63 closest Earth approach = 4.32 LD - Note: JPL reports an approach at 2331 UTC with an uncertainty of +/- 17 minutes.
04012011 TP last observed optically, by Schiaparelli Obs. at 7.38 LD outbound, V=19.71 calculated
02432011 TO last observed optically, by ARO Westfield at 12.48 LD outbound, V=20.4 reported
4 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
05192011 SM173 exits 10-LD bubble500023082017 FW closest Earth approach = 3.19 LD - Note: JPL has not posted an Earth close
approach listing for this object, indicating an uncertainty exceeding +/- ten days.
21082011 TP closest Earth approach = 7.35 LD - Note: JPL reports an approach to 7.35 LD (7.30 minimum) .
3 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
22532011 UK10 enters 10-LD bubble600009132011 TB4 designation credited to MLS at 23.02 LD inbound, V=19.9 reported, elon. 175.3°
19572011 TO exits 10-LD bubble500006172011 SE191 last observed optically, by ARO Westfield at 33.92 LD outbound, V=20.9 reported
2 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
23072011 UQ63 enters 10-LD bubble600007182011 TP designation credited to LINEAR at 9.35 LD inbound, mag 19.9 reported, elon. 171.0°
20212011 SO5 exits 10-LD bubble5000
1 Oct. 2011
UTBoundary Transitions<10<SIM<1E<1Events
22462017 FW enters 10-LD bubble600010082011 SS26 last observed optically, by Spacewatch 1.8m at 54.60 LD outbound, V=21.29 calculated
20422011 TP enters 10-LD bubble500005402011 TO designation credited to LINEAR at 5.01 LD outbound, mag 18.7 reported, elon. 164.3°
12192011 SM173 exits Earth SOI400004482011 SO5 last observed optically, by Great Shefford Obs. at 6.76 LD outbound, V=20.51 calculated, elon. 75.5°
04482011 PE2 last observed optically, by MRO at 153.12 LD outbound, R=22.1 reported


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