<10=less than 10 LD from Earth

EBN Timeline for December 2008

<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 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
14272008 YB29 exits 10-LD bubble300012012008 YY32 discovered by CSS at 9.39 LD inbound, V=18.18 calculated, elon. 159.3°
03522008 YY32 enters 10-LD bubble400010112008 YY32 observed first, by CSS at 9.53 LD inbound, V=18.3 reported, elon. 159.4°
07012008 YH30 discovered by Spacewatch 0.9m at 13.76 LD outbound, V=20.0 reported, elon. 166.8°
06332008 YG30 discovered by CSS at 12.51 LD inbound, V=18.0 reported, elon. 157.6°
05172008 YV32 discovered by MLS at 18.81 LD inbound, V=20.5 reported, elon. 154.1°
30 Dec. 2008
UTEvents
13252008 YC29 last observed optically, by CSS at 7.41 LD inbound, V=18.6 reported
10082008 YC29 discovered by CSS at 7.73 LD inbound, V=19.1 reported, elon. 138.6°
09182008 YB29 discovered by CSS at 8.73 LD outbound, V=19.2 reported, elon. 146.2°
05582008 YF29 discovered by CSS at 30.62 LD inbound, V=19.9 reported, elon. 155.6°
29 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
14332008 YH30 exits 10-LD bubble300012162008 WY94 last observed optically, by MRO at 23.94 LD outbound, R=23.2 reported, elon. 69.2°
12112008 YC29 enters 10-LD bubble4000
00552008 EV5 exits 10-LD bubble3000
27 Dec. 2008
UTEvents
14382008 YB29 closest Earth approach = 7.34 LD
07302008 EV5 last observed by radar, from Arecibo at 9.17 LD outbound, V=13.21 calculated
26 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
04512008 YQ2 exits 10-LD bubble400018182008 YQ2 last observed optically, by Great Shefford Obs. at 11.04 LD outbound, R=19.7 reported, elon. 99.8°
25 Dec. 2008
UTEvents
14242008 YH30 closest Earth approach = 3.58 LD
24 Dec. 2008
UTEvents
14532008 YQ2 closest Earth approach = 8.58 LD
23 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
14372008 YB29 enters 10-LD bubble500015162008 EV5 closest Earth approach = 8.41 LD
03122009 BD enters 10-LD bubble4000
00592008 YQ2 enters 10-LD bubble3000
21 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
13552008 YH30 enters 10-LD bubble200009552008 YQ2 discovered by CSS at 13.51 LD inbound, V=18.3 reported, elon. 145.0°
09452008 YQ2 observed first, by CSS at 13.52 LD inbound, V=18.5 reported, elon. 144.9°
03262008 YN2 discovered by MLS at 13.47 LD outbound, V=19.9 reported, elon. 139.1°
18 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1
10422008 YN2 exits 10-LD bubble1000
02482008 EV5 enters 10-LD bubble2000
17 Dec. 2008
UTEvents
09402008 EV5 first observed by radar, from DSS-14 at 10.39 LD inbound, V=14.68 calculated
16 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1
17262008 XB2 exits 10-LD bubble1000
00012008 XC1 exits 10-LD bubble2000
14 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
22032008 WY94 exits 10-LD bubble300014252008 YN2 closest Earth approach = 7.57 LD
13 Dec. 2008
UTEvents
08422008 XB2 closest Earth approach = 5.77 LD
01042008 XB2 last observed optically, by ARO at 5.82 LD inbound, V=19.0 reported, elon. 94.3°
12 Dec. 2008
UTEvents
18132008 XC1 closest Earth approach = 4.13 LD
11 Dec. 2008
UTEvents
07592008 XC1 last observed optically, by Sandlot Obs. at 5.76 LD inbound, R=15.7 reported
10 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1
18082008 YN2 enters 10-LD bubble4000
9 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1
23502008 XB2 enters 10-LD bubble3000
12272008 XC1 enters 10-LD bubble2000
01362008 WG14 exits 10-LD bubble1000
8 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1
21262008 XK exits 10-LD bubble2000
02472008 XS exits 10-LD bubble3000
7 Dec. 2008
UTEvents
11562008 UW99 last observed optically, by MRO at 103.43 LD outbound, R=21.8 reported
1138208023 1999 AQ10 observed first, by ARO at 150.12 LD inbound, V=20.9 reported, elon. 106.5°
10182008 WM61 last observed optically, by ARO at 10.67 LD outbound, V=21.7 reported, elon. 95.9°
06162008 XS last observed optically, by ARO at 9.52 LD outbound, V=20.2 reported
05252008 WG14 last observed optically, by Great Shefford Obs. at 6.28 LD outbound, R=19.4 reported, elon. 68.7°
6 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
17592008 WM61 exits 10-LD bubble400007432008 WG96 last observed optically, by Spacewatch 1.8m at 29.26 LD outbound, V=22.1 reported
10472008 XK exits Earth SOI500006162008 XU2 discovered by MLS at 14.49 LD outbound, V=19.8 reported, elon. 141.3°
05062004 XK3 last observed optically, by Spacewatch 0.9m at 28.18 LD outbound, V=19.34 calculated
5 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
06402008 XK enters Earth SOI510020432008 XK closest Earth approach = 1.46 LD - Note: JPL reports an approach to 1.46 LD (0.23 minimum) with an uncertainty of +/- one day, 5 hours, and 14 minutes.
18102008 XK closest lunar approach = 2.37 LD
14532008 WG14 closest Earth approach = 4.76 LD
09412008 WY94 closest Earth approach = 3.16 LD
4 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
09522008 XU2 exits 10-LD bubble500004372008 XB2 discovered by LINEAR at 23.10 LD inbound, mag 19.5 reported, elon. 165.9°
3 Dec. 2008
UTEvents
08492008 XC1 discovered by CSS at 26.87 LD inbound, V=18.6 reported, elon. 160.5°
2 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1Events
20032008 XK enters 10-LD bubble600008482008 XK last observed optically, by MRO at 11.52 LD inbound, R=20.6 reported
04212008 WG14 enters 10-LD bubble500006432008 XK discovered by MLS at 11.80 LD inbound, V=20.8 reported, elon. 155.7°
06102008 XS discovered by LINEAR at 7.34 LD outbound, mag 19.5 reported, elon. 175.5°
1 Dec. 2008
UTBoundary Transitions<10<SIM<1E<1
02562008 WC exits 10-LD bubble4000


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