<10=less than 10 LD from Earth

EBN Timeline for May 2009

<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 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
23082009 KR21 within one LD of Moon611023102009 KR21 last observed optically, by Great Shefford Obs. at 1.51 LD inbound, R=16.7 reported
15102009 KR21 enters Earth SOI610005342009 KR21 discovered by CSS at 3.53 LD inbound, V=17.7 reported, elon. 155.0°
30 May 2009
UTEvents
09132009 KL8 discovered by CSS at 7.68 LD inbound, V=18.2 reported, elon. 113.3°
29 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
06092009 KL8 enters 10-LD bubble600009262009 LA closest Earth approach = 2.86 LD
01192009 KW2 last observed optically, by Great Shefford Obs. at 4.56 LD outbound, R=19.0 reported
28 May 2009
UTBoundary Transitions<10<SIM<1E<1
23322009 KR21 enters 10-LD bubble5000
26 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
19412009 KW2 exits Earth SOI400019332009 LD closest Earth approach = 3.82 LD
25 May 2009
UTBoundary Transitions<10<SIM<1E<1
07492009 LA enters 10-LD bubble4100
24 May 2009
UTEvents
23542009 KW2 closest lunar approach = 2.28 LD
22392009 KW2 closest Earth approach = 1.34 LD
23 May 2009
UTBoundary Transitions<10<SIM<1E<1
01372009 KW2 enters Earth SOI3100
22 May 2009
UTEvents
11512009 KW2 discovered by SSS at 2.93 LD inbound, V=17.0 reported, elon. 123.7°
21 May 2009
UTEvents
06252009 HK73 last observed optically, by ARO at 41.27 LD outbound, V=22.8 reported
20 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
06382009 LD enters 10-LD bubble300007592011 UD21 closest Earth approach = 6.40 LD - Note: JPL reports an approach at 0738 UTC with an uncertainty of +/- 21 minutes.
05362009 HG60 last observed optically, by ARO at 109.69 LD outbound, V=21.7 reported
19 May 2009
UTBoundary Transitions<10<SIM<1E<1
17502001 SG286 exits 10-LD bubble2000
18 May 2009
UTEvents
00002001 SG286 closest Earth approach = 9.14 LD
17 May 2009
UTBoundary Transitions<10<SIM<1E<1
08372009 JL2 exits 10-LD bubble3000
16 May 2009
UTBoundary Transitions<10<SIM<1E<1
06122001 SG286 enters 10-LD bubble4000
15 May 2009
UTBoundary Transitions<10<SIM<1E<1
13352009 KW2 enters 10-LD bubble3000
14 May 2009
UTBoundary Transitions<10<SIM<1E<1
16402009 JL2 exits Earth SOI2000
03312009 JL2 exits Earth-Moon system2100
13 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
15302009 JL2 enters Earth-Moon system210121492009 JL2 closest lunar approach = 1.74 LD
02222009 JL2 enters Earth SOI210021312009 JL2 closest Earth approach = 0.69 LD
15042009 JL2 last observed optically, by Moriyama Obs. at 1.04 LD inbound, V=16.2 reported, elon. 83.8°
12 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
17552009 JE1 exits 10-LD bubble200009152009 JL2 discovered by CSS at 4.41 LD inbound, V=18.1 reported, elon. 109.1°
10 May 2009
UTBoundary Transitions<10<SIM<1E<1
10252009 JL2 enters 10-LD bubble3000
8 May 2009
UTEvents
18292009 JE1 closest Earth approach = 5.07 LD - Note: JPL reports an approach to 5.98 LD (0.18 minimum) at 0726 UTC with an uncertainty of +/- 10 hours and 34 minutes.
7 May 2009
UTBoundary Transitions<10<SIM<1E<1
20002009 JA exits 10-LD bubble2000
16032009 JF1 exits 10-LD bubble3000
6 May 2009
UTBoundary Transitions<10<SIM<1E<1
05482009 JF1 exits Earth SOI4000
5 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
22312009 JF1 exits Earth-Moon system410019382009 JF1 closest Earth approach = 0.76 LD
19352009 JF1 more than one LD from Moon410116422009 JF1 closest lunar approach = 0.74 LD
16442009 JF1 enters Earth-Moon system411115492009 JF1 last observed optically, by SSS at 1.14 LD inbound, V=16.1 reported
13482009 JF1 within one LD of Moon4110
09282009 JF1 enters Earth SOI4100
4 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
19272009 JE1 enters 10-LD bubble400010252009 JE1 last observed optically, by MLS at 10.72 LD inbound, V=19.6 reported
17252009 JS exits 10-LD bubble300010052009 JF1 discovered by MLS at 7.57 LD inbound, V=19.3 reported, elon. 168.5°
09162009 JA closest Earth approach = 7.59 LD
08462009 JE1 discovered by MLS at 10.85 LD inbound, V=19.9 reported, elon. 167.1°
03122009 JS last observed optically, by Great Shefford Obs. at 8.82 LD outbound, R=18.2 reported
01122009 JA last observed optically, by NSO/Liverpool Tel. at 7.61 LD inbound, V=18.64 calculated
3 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
23122009 JF1 enters 10-LD bubble400007262009 JS discovered by LINEAR at 7.23 LD outbound, mag 18.1 reported, elon. 170.8°
10142009 HK73 exits 10-LD bubble3000
1 May 2009
UTBoundary Transitions<10<SIM<1E<1Events
09482011 UD21 enters 10-LD bubble400006422009 JA discovered by LINEAR at 9.62 LD inbound, mag 18.4 reported, elon. 166.2°
05052009 HW67 last observed optically, by Spacewatch 1.8m at 33.28 LD outbound, V=21.52 calculated


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