<10=less than 10 LD from Earth

EBN Timeline for January 2009

<HS=inside Earth's Hill sphere
M<1=less than 1 LD from the Moon
E<1=less than 1 LD from Earth (intruder)
LD = lunar distance = distance between Earth & Moon

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31 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23352009 BK58 enters Earth's Hill sphere520006472009 BG81 discovered by LINEAR at 5.99 LD inbound, mag 20.3 reported, elon. 170.3°
10222009 CC2 enters 10-LD bubble510005502009 BF81 discovered by CSS at 17.62 LD outbound, V=18.9 reported, elon. 141.6°
02172009 BO5 exits 10-LD bubble4100
29 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23172009 BW2 enters 10-LD bubble510006402009 BL58 discovered by CSS at 32.21 LD inbound, V=20.3 reported, elon. 166.3°
04302009 BG58 exits 10-LD bubble410005002009 BK58 discovered by CSS at 9.55 LD inbound, V=19.3 reported, elon. 125.5°
01292009 BF58 exits 10-LD bubble510000492009 BD closest lunar approach = 1.96 LD
28 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23542009 BK58 enters 10-LD bubble610008482009 BG58 discovered by CSS at 9.00 LD outbound, V=18.9 reported, elon. 155.0°
09492009 BG81 enters 10-LD bubble510006182009 BF58 discovered by CSS at 8.79 LD outbound, V=20.3 reported, elon. 165.1°
27 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
10232009 BH11 exits 10-LD bubble410008472009 BE58 discovered by LINEAR at 57.94 LD inbound, mag 19.2 reported, elon. 138.6°
00062009 BF81 exits 10-LD bubble5100
26 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23222009 BE exits 10-LD bubble610006232009 BH11 discovered by LINEAR at 6.67 LD outbound, mag 18.6 reported, elon. 159.8°
00392009 BD last observed optically, by Great Shefford Obs. at 1.80 LD outbound, R=18.5 reported
25 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23042009 BJ2 exits 10-LD bubble710023352009 BO5 closest Earth approach = 6.65 LD
05582009 BH11 exits Earth's Hill sphere810008092001 FE90 observed first, by Spacewatch 1.8m at 292.57 LD inbound, V=21.45 calculated, elon. 146.8°
06242009 BD closest Earth approach = 1.79 LD - Note: JPL reports an approach to 0.9 LD at 0052 UTC with an uncertainty of 1 minute.
05492009 BF81 closest Earth approach = 8.96 LD
24 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
20332009 BS5 exits 10-LD bubble820010362009 BG58 closest Earth approach = 6.33 LD
19162009 BF58 exits Earth's Hill sphere920001502009 BH11 closest Earth approach = 1.84 LD
11372009 BE exits Earth's Hill sphere9300
23 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
11282009 BF81 enters 10-LD bubble940023022009 BO5 last observed optically, by Great Shefford Obs. at 7.29 LD inbound, R=19.1 reported
21072009 BH11 closest lunar approach = 2.34 LD
13372009 BE closest lunar approach = 1.82 LD
05452009 BE closest Earth approach = 2.13 LD
22 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
21422009 BH11 enters Earth's Hill sphere840019472009 BF58 closest Earth approach = 2.39 LD
09302009 BE last observed optically, by PJMSO at 3.07 LD inbound, R=17.1 reported
21 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
23532009 BE enters Earth's Hill sphere830013422009 BJ2 closest Earth approach = 4.57 LD
02412009 BF2 exits 10-LD bubble820007432008 YB29 last observed optically, by ARO at 42.52 LD outbound, V=22.7 reported
20 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
22312009 BO5 enters 10-LD bubble920021522009 BJ2 last observed optically, by Great Shefford Obs. at 4.76 LD inbound, R=19.1 reported
20122009 BF58 enters Earth's Hill sphere820011042009 BS5 discovered by CSS at 4.63 LD outbound, V=18.9 reported, elon. 146.2°
17132009 BH11 enters 10-LD bubble810009012009 BO5 discovered by CSS at 10.64 LD inbound, V=19.5 reported, elon. 162.6°
07062009 BW2 discovered by CSS at 16.64 LD inbound, V=19.2 reported, elon. 155.1°
19 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
18352009 BS5 exits Earth's Hill sphere7100
16402009 BG exits 10-LD bubble7200
16012009 BG58 enters 10-LD bubble8200
12162009 BE enters 10-LD bubble7200
01382002 AO11 exits 10-LD bubble6200
18 Jan. 2009
UTCEvents
06192009 BJ2 discovered by CSS at 8.13 LD inbound, V=19.6 reported, elon. 168.0°
17 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
04512009 BJ2 enters 10-LD bubble720010522009 BS5 closest Earth approach = 2.43 LD - Note: JPL reports an approach to 3.4 LD (2.1 minimum) at 0857 UTC with an uncertainty of 19 hours and 59 minutes.
16 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
13072009 BF58 enters 10-LD bubble620009342009 BG discovered by LINEAR at 5.73 LD outbound, mag 18.4 reported, elon. 128.3°
09042009 BF2 discovered by LINEAR at 6.03 LD outbound, mag 18.8 reported, elon. 129.8°
08392009 BE discovered by MLS at 18.21 LD inbound, V=19.6 reported, elon. 176.6°
06382009 BD discovered by MLS at 3.16 LD inbound, V=18.4 reported, elon. 179.3°
15 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
03062009 BS5 enters Earth's Hill sphere520010032002 AO11 closest Earth approach = 7.68 LD - Note: JPL reports an approach uncertainty of 5 hours and 25 minutes.
14 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
18322008 YV32 exits 10-LD bubble510023392009 BG closest Earth approach = 5.12 LD
07482009 BF2 closest Earth approach = 5.49 LD
13 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
07422009 BD enters Earth's Hill sphere6100
12 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
10092008 YF29 exits 10-LD bubble6000
11 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
18392002 AO11 enters 10-LD bubble700008232008 YF29 closest Earth approach = 9.67 LD
05542008 YV32 exits Earth's Hill sphere6000
10 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
06372008 YF29 enters 10-LD bubble6100
06252009 BG enters 10-LD bubble5100
00232009 BS5 enters 10-LD bubble4100
9 Jan. 2009
UTCEvents
19402008 YV32 closest Earth approach = 2.74 LD
02062008 YV32 last observed optically, by ARO at 3.09 LD inbound, V=19.3 reported, elon. 90.5°
8 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
09362008 YG30 exits 10-LD bubble310008142008 YF29 last observed optically, by Spacewatch 1.8m at 12.02 LD inbound, V=18.2 reported
09232008 YV32 enters Earth's Hill sphere4100
7 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
11492009 BF2 enters 10-LD bubble4000
6 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
23232008 YY32 exits 10-LD bubble3000
5 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
12482008 YC29 exits 10-LD bubble4000
08572008 YG30 exits Earth's Hill sphere5000
4 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
20122008 YV32 enters 10-LD bubble510020072008 YG30 closest Earth approach = 3.63 LD
07182008 YG30 enters Earth's Hill sphere410004062008 YY32 last observed optically, by Schiaparelli Obs. at 6.31 LD outbound, C=18.0 reported
03522008 YG30 last observed optically, by Schiaparelli Obs. at 4.04 LD inbound, C=16.0 reported
3 Jan. 2009
UTCEvents
13272008 YY32 closest Earth approach = 6.15 LD
06122008 XU2 last observed optically, by ARO at 89.41 LD outbound, V=23.0 reported
03162008 YN2 last observed optically, by ARO at 34.97 LD outbound, V=22.6 reported
01202008 YH30 last observed optically, by Great Shefford Obs. at 20.14 LD outbound, R=20.9 reported
2 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1Events
17562008 YC29 exits Earth's Hill sphere400000302008 YC29 closest Earth approach = 3.37 LD - Note: JPL reports an approach uncertainty of 32 minutes.
1 Jan. 2009
UTCBoundary Transitions<10<HSM<1E<1
07042008 YC29 enters Earth's Hill sphere4100
06482008 YG30 enters 10-LD bubble4000

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