<10=less than 10 LD from Earth

EBN Timeline for October 2012

<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. 2012
UTEvents
1739discovery MPEC issued for 2012 UB174
17392012 UX136 last observed optically, by Lister/Faulkes South at 5.68 LD inbound, R=18.0 reported
06572012 VB20 closest Earth approach = 2.72 LD
30 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1
16092012 UW9 exits 10-LD bubble8000
29 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
08162012 VR76 enters 10-LD bubble900012012012 UU169 closest Earth approach = 2.98 LD
03242012 UW9 closest Earth approach = 9.41 LD - Note: JPL reports an approach to 9.41 LD (7.71 minimum) at 0321 UTC with an uncertainty of +/- 9 hours and 42 minutes.
28 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
00282012 VB20 enters 10-LD bubble80002047discovery MPEC issued for 2012 UL171
2039discovery MPEC issued for 2012 UK171
00352012 UU169 last observed optically, by Great Shefford Obs. at 4.80 LD inbound, R=16.5 reported
27 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
20152012 UX136 enters 10-LD bubble700020172012 UK171 closest Earth approach = 7.41 LD
14392012 UW9 enters 10-LD bubble60001952discovery MPEC issued for 2012 UU169
07292012 VL5 enters 10-LD bubble500007232012 UL171 last observed optically, by MLS at 9.72 LD inbound, V=20.6 reported
04142012 TP231 exits 10-LD bubble400006592012 UB174 last observed optically, by ARO Westfield at 14.80 LD outbound, V=19.3 reported
26 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
20522012 US18 exits 10-LD bubble50002010discovery MPEC issued for 2012 UU158
19022012 UL171 enters 10-LD bubble600006422012 UB174 designation credited to MLS at 12.18 LD outbound, V=18.0 reported, elon. 160.8°
14342012 UF34 exits 10-LD bubble5000
25 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
18182012 UU169 enters 10-LD bubble600010282012 UK171 designation credited to LINEAR at 7.93 LD inbound, mag 19.0 reported, elon. 95.7°
08592012 UB174 exits 10-LD bubble500004522012 UU169 designation credited to CSS at 11.38 LD inbound, V=19.1 reported, elon. 158.2°
03372012 UL171 designation credited to MLS at 10.99 LD inbound, V=20.0 reported, elon. 159.6°
24 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
19272012 VZ19 exits 10-LD bubble60001821discovery MPEC issued for 2012 UY136
1818discovery MPEC issued for 2012 UX136
1805discovery MPEC issued for 478784 2012 UV136
17002012 UU9 last observed optically, by SSS at 30.17 LD outbound, V=19.8 reported
15402012 UY136 last observed optically, by code "3"/Faulkes South at 10.83 LD outbound, R=19.3 reported
23 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
20482012 VB37 enters 10-LD bubble70001638discovery MPEC issued for 2012 UY68
17012012 UY136 exits 10-LD bubble600012072012 UU158 designation credited to PS1 at 12.80 LD outbound, w=20.3 reported, elon. 163.4°
06112012 US18 exits Earth SOI700006252012 UT9 last observed optically, by Holmes/CTIO at 34.16 LD outbound, V=21.2 reported
04502012 UY136 designation credited to CSS at 9.61 LD outbound, V=19.6 reported, elon. 163.8°
22 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
13372012 UE exits 10-LD bubble710015592012 UB174 closest Earth approach = 6.17 LD
11322012 UF exits 10-LD bubble810015542012 UX136 designation credited to SSS at 16.08 LD inbound, V=19.9 reported, elon. 144.2°
09202012 UU158 exits 10-LD bubble910011082012 US18 closest Earth approach = 1.62 LD
03302012 UK171 enters 10-LD bubble1010010572012 UF34 closest Earth approach = 2.80 LD
1019478784 2012 UV136 designation credited to MLS at 19.23 LD inbound, V=20.5 reported, elon. 147.9°
10022012 US18 closest lunar approach = 1.63 LD
05102012 TP231 closest Earth approach = 5.78 LD
21 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
16062012 US18 enters Earth SOI910020342012 UF34 last observed optically, by Klet Obs. at 3.13 LD inbound, V=16.12 calculated
13422012 TE79 exits 10-LD bubble900007252012 UY68 designation credited to MLS at 29.89 LD inbound, V=21.0 reported, elon. 152.4°
13022012 TQ146 exits 10-LD bubble1000000412012 US18 last observed optically, by Great Shefford Obs. at 3.60 LD inbound, R=18.6 reported
02242012 TD79 exits 10-LD bubble11000
20 Oct. 2012
UTEvents
2147discovery MPEC issued for 2012 UF34
13162012 VZ19 closest Earth approach = 5.92 LD - Note: JPL reports an approach to 5.91 LD (5.77 minimum) at 1404 UTC with an uncertainty of +/- one hour and 21 minutes.
1003distant 1989 VB observed first, by MLS at 267.66 LD, V=21.1 reported, elon. 85.0°
07252012 UY68 observed first, by MLS at 31.18 LD inbound, V=22.3 reported, elon. 153.0°
05242012 UF34 designation credited to CSS at 5.88 LD inbound, V=17.1 reported, elon. 140.0°
19 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
22462012 UB174 enters 10-LD bubble1200023162012 UY136 closest Earth approach = 8.35 LD
18262012 UE exits Earth SOI1100016182012 TD79 last observed optically, by Mt. John Obs. at 7.54 LD outbound, R=17.9 reported, elon. 92.5°
00062012 TC4 exits 10-LD bubble111001326discovery MPEC issued for 2012 US18
10342012 TP231 last observed optically, by Mt. John Obs. at 7.35 LD inbound, R=18.8 reported
10002012 UE closest lunar approach = 2.91 LD
08052012 UE closest Earth approach = 2.02 LD
00212012 UU158 closest Earth approach = 4.20 LD
18 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
21452012 UE enters Earth SOI1210023502012 TD79 closest Earth approach = 7.19 LD
07272012 UF34 enters 10-LD bubble120001625discovery MPEC issued for 2012 UW9
01282012 US18 enters 10-LD bubble110001612discovery MPEC issued for 2012 UU9
1608discovery MPEC issued for 2012 UT9
06502012 US18 designation credited to MLS at 9.50 LD inbound, V=21.0 reported, elon. 176.8°
04342012 UW9 last observed optically, by MLS at 26.15 LD inbound, V=21.5 reported
17 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
05302012 TP231 enters 10-LD bubble1000018202012 TE79 closest Earth approach = 5.73 LD
04092012 TQ231 exits 10-LD bubble90001709discovery MPEC issued for 2012 UF
1706discovery MPEC issued for 2012 UE
1657discovery MPEC issued for 2012 TU231
1644discovery MPEC issued for 2012 TQ231
1524discovery MPEC issued for 2012 TP231
09432012 UF closest Earth approach = 6.58 LD
08022012 UF last observed optically, by LINEAR at 6.58 LD inbound, mag 18.5 reported
06512012 UE last observed optically, by MRO at 6.54 LD inbound, R=19.5 reported
05562012 UW9 designation credited to MLS at 28.16 LD inbound, V=21.4 reported, elon. 154.4°
03372012 UF34 observed first, by LINEAR at 12.60 LD inbound, mag 19.2 reported, elon. 138.6°
16 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
22112012 TU231 exits 10-LD bubble1000023462012 TQ146 closest Earth approach = 3.05 LD
21212012 TD79 enters 10-LD bubble1100016142012 UU9 designation credited to SSS at 16.93 LD outbound, V=18.1 reported, elon. 135.1°
07092012 VZ19 enters 10-LD bubble100001548discovery MPEC issued for 2012 TQ146
04412012 UY136 enters 10-LD bubble900013382012 UT9 designation credited to SSS at 13.01 LD outbound, V=18.2 reported, elon. 129.9°
02382012 UE enters 10-LD bubble800010042012 SR56 last observed optically, by Spacewatch 1.8m at 71.21 LD outbound, R=21.2 reported
07412012 UF designation credited to CSS at 6.78 LD inbound, V=17.8 reported, elon. 171.0°
07082012 TP20 last observed optically, by ARO Westfield at 23.46 LD outbound, V=22.0 reported
06032012 UE designation credited to MLS at 9.58 LD inbound, V=20.4 reported, elon. 175.7°
02212012 TQ146 last observed optically, by Sandlot Obs. at 3.57 LD inbound, R=18.6 reported
15 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
15182012 UU158 enters 10-LD bubble700006232012 TU231 designation credited to CSS at 6.57 LD outbound, V=18.9 reported, elon. 150.5°
11272012 UT9 exits 10-LD bubble600004382012 TU231 observed first, by CSS at 6.43 LD outbound, V=18.4 reported, elon. 150.7°
14 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
13382012 TQ231 exits Earth SOI700021432012 TE79 last observed optically, by South Obs. at 8.43 LD inbound, V=19.3 reported
09572012 TM79 exits 10-LD bubble710007112012 TQ231 closest lunar approach = 1.51 LD
05552012 TQ146 designation credited to MLS at 6.50 LD inbound, V=19.1 reported, elon. 137.7°
00322012 TQ231 closest Earth approach = 1.69 LD - Note: JPL reports an approach to 1.71 LD (1.59 minimum) at 0052 UTC with an uncertainty of +/- 50 minutes.
13 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
23252012 TE79 enters 10-LD bubble810023272012 UT9 observed first, by Santa Maria de M. Obs. at 6.91 LD outbound, R=15.9 reported, elon. 166.7°
19582012 TC4 exits Earth SOI710014092012 TP231 designation credited to SSS at 15.28 LD inbound, V=18.4 reported, elon. 139.6°
12432012 TC4 more than one LD from Moon720003442012 UT9 closest Earth approach = 6.35 LD
11272012 TQ231 enters Earth SOI7210
12 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
20542012 TC4 exits Earth-Moon system711021442012 TC4 closest lunar approach = 0.30 LD
10322012 TQ146 enters 10-LD bubble711119392012 TU231 closest Earth approach = 3.46 LD
08532012 UF enters 10-LD bubble611105292012 TC4 closest Earth approach = 0.25 LD - Note: JPL reports an approach to 0.25 LD .
06442012 TC4 within one LD of Moon5111
11 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
14052012 TC4 enters Earth-Moon system51011930discovery MPEC issued for 2012 TM79
19202012 TM79 last observed optically, by Bisei at 4.47 LD outbound, R=18.8 reported
1913discovery MPEC issued for 2012 TE79
1910discovery MPEC issued for 2012 TD79
17572012 TC4 last observed optically, by Drebach Obs. at 0.77 LD inbound, R=14.4 reported
10172012 TQ231 last observed optically, by MLS at 8.29 LD inbound, V=20.32 calculated
09282012 TQ231 designation credited to MLS at 8.40 LD inbound, V=20.2 reported, elon. 158.5°
10 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
20582012 TQ231 enters 10-LD bubble51001836discovery MPEC issued for 2012 TJ53
19562012 UT9 enters 10-LD bubble41001716discovery MPEC issued for 2012 TE53
19562012 TM79 exits Earth SOI310012362012 RR16 last observed optically, by PS1 at 47.13 LD outbound, i=20.7 reported
15022012 TC4 enters Earth SOI320011412012 TM79 designation credited to CSS at 1.68 LD outbound, V=16.43 calculated, elon. 137.4°
11482012 UU9 exits 10-LD bubble310011322012 TE53 last observed optically, by MRO at 10.23 LD outbound, R=19.7 reported
09062012 TE53 exits 10-LD bubble410010382012 TQ231 observed first, by MLS at 11.33 LD inbound, V=20.2 reported, elon. 161.0°
06462012 TV exits 10-LD bubble510009432012 TJ53 last observed optically, by MLS at 11.64 LD outbound, V=19.8 reported
03542012 TM79 exits Earth-Moon system6100
9 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
20432012 TJ53 exits 10-LD bubble610121342012 TM79 closest lunar approach = 1.06 LD
06132012 TM79 enters Earth-Moon system710117042012 TM79 closest Earth approach = 0.24 LD
1510discovery MPEC issued for 2012 TP20
07592012 TJ53 designation credited to CSS at 8.43 LD outbound, V=18.6 reported, elon. 158.0°
07502012 TE79 designation credited to MLS at 19.26 LD inbound, V=21.0 reported, elon. 174.4°
06402012 TD79 designation credited to MLS at 33.23 LD inbound, V=19.7 reported, elon. 174.5°
8 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
16482012 TU231 enters 10-LD bubble710019072012 UU9 closest Earth approach = 9.54 LD
14112012 TM79 enters Earth SOI610010592012 TE53 designation credited to CSS at 5.74 LD outbound, V=18.6 reported, elon. 142.9°
08582012 TP20 exits 10-LD bubble600004452012 TP20 designation credited to MLS at 9.72 LD outbound, V=21.1 reported, elon. 173.2°
05492012 TV exits Earth SOI7000
7 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
19502012 TV exits Earth-Moon system710015042012 TV closest Earth approach = 0.66 LD
10182012 TV enters Earth-Moon system71011442discovery MPEC issued for 2012 TC4
02272012 UU9 enters 10-LD bubble71001442discovery MPEC issued for 2012 TC4
00192012 TV enters Earth SOI610014102012 TV closest lunar approach = 1.11 LD
03212012 TV last observed optically, by Great Shefford Obs. at 1.95 LD inbound, R=13.8 reported
6 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
19412012 TE53 exits Earth SOI60002209discovery MPEC issued for 2012 TV
14182012 SJ58 exits 10-LD bubble610020092012 TJ53 closest Earth approach = 3.09 LD - Note: JPL reports an approach to 3.09 LD (3.04 minimum) with an uncertainty of +/- 5 minutes.
09342012 TE53 closest lunar approach = 1.57 LD
00442012 TE53 closest Earth approach = 1.60 LD
5 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
11282012 TC4 enters 10-LD bubble710007452012 TV designation credited to Tenagra II Obs. at 8.69 LD inbound, R=17.6 reported, elon. 173.3°
05482012 TE53 enters Earth SOI6100
00132012 TM79 enters 10-LD bubble6000
4 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
23222012 TV enters 10-LD bubble500011132012 TC4 designation credited to PS1 at 11.50 LD inbound, i=20.1 reported, elon. 162.7°
01122012 SJ58 last observed optically, by ARO Westfield at 6.24 LD outbound, V=19.2 reported, elon. 99.2°
3 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1Events
19352012 TJ53 enters 10-LD bubble400005082012 SJ58 closest Earth approach = 5.91 LD
2 Oct. 2012
UTEvents
18362012 TP20 closest Earth approach = 3.14 LD
1 Oct. 2012
UTBoundary Transitions<10<SIM<1E<1
16222012 TE53 enters 10-LD bubble3000


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