<10=less than 10 LD from Earth

EBN Timeline for July 2015

<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 July 2015
UTEvents
18312015 PS228 closest Earth approach = 2.41 LD
07052015 PS56 closest Earth approach = 7.37 LD
29 July 2015
UTBoundary Transitions<10<SIM<1E<1
22582015 PL307 enters 10-LD bubble3000
19212015 OQ21 exits 10-LD bubble2000
10192015 PS56 enters 10-LD bubble3000
26 July 2015
UTEvents
1110436724 2011 UW158 last observed by radar, from DSS-14 at 11.25 LD outbound, V=15.52 calculated
25 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
0716436724 2011 UW158 exits 10-LD bubble20001410discovery MPEC issued for 2015 OA26
02402015 OQ21 exits Earth SOI3000
24 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
15272015 OQ21 more than one LD from Moon310009412015 OQ21 closest lunar approach = 0.89 LD
03542015 OQ21 within one LD of Moon3110
23 July 2015
UTEvents
23592015 OQ21 closest Earth approach = 1.48 LD - Note: JPL reports an approach to 1.48 LD at 0000 UTC .
10542015 OA26 designation credited to PS1 at 12.61 LD outbound, w=17.9 reported, elon. 146.2°
06032015 OQ21 last observed optically, by ARO Westfield at 1.95 LD inbound, V=18.2 reported
22 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
21192015 OQ21 enters Earth SOI310007542015 NG13 last observed optically, by Tholen team/Mauna Kea at 34.95 LD outbound, R=22.5 reported
09092015 OA26 exits 10-LD bubble3000
03472013 BQ18 exits 10-LD bubble4000
21 July 2015
UTEvents
1803discovery MPEC issued for 2015 OQ21
20 July 2015
UTEvents
04562013 BQ18 closest Earth approach = 7.87 LD - Note: JPL reports an approach to 7.87 LD (3.41 minimum) with an uncertainty of +/- 10 hours and 40 minutes.
19 July 2015
UTEvents
1436436724 2011 UW158 closest Earth approach = 6.40 LD
12342015 OQ21 designation credited to PS1 at 7.78 LD inbound, w=21.0 reported, elon. 139.6°
18 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
14402015 OA26 exits Earth SOI500011192015 OA26 closest Earth approach = 2.38 LD
07582015 OA26 enters Earth SOI5100
06082013 BQ18 enters 10-LD bubble5000
05002015 OQ21 enters 10-LD bubble4000
16 July 2015
UTBoundary Transitions<10<SIM<1E<1
05482015 PS228 enters 10-LD bubble3000
14 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
13332015 OA26 enters 10-LD bubble20002212discovery MPEC issued for 2015 NG13
13 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
2153436724 2011 UW158 enters 10-LD bubble10002320436724 2011 UW158 first observed by radar, from DSS-14 at 9.94 LD inbound, V=15.60 calculated
01352015 HM10 exits 10-LD bubble0000
12 July 2015
UTEvents
07172015 NG13 designation credited to PS1 at 23.85 LD outbound, w=21.6 reported, elon. 117.0°
11 July 2015
UTBoundary Transitions<10<SIM<1E<1
23432015 KK57 exits 10-LD bubble1000
04022015 MO116 exits 10-LD bubble2000
10 July 2015
UTEvents
18072015 MO116 last observed optically, by Mt. John Obs. at 9.26 LD outbound, R=19.5 reported, elon. 62.6°
8 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
21312015 HM10 exits Earth SOI300013162015 MO116 last observed by radar, from Arecibo at 5.89 LD outbound, V=19.58 calculated
12172015 MO116 first observed by radar, from Arecibo at 5.85 LD outbound, V=19.56 calculated
08112015 HM10 closest lunar approach = 1.08 LD
7 July 2015
UTEvents
2350distant 2008 LG2 last observed optically, by Micheli/Paranal at 239.16 LD, R=26.1 reported, elon. 75.2°
18382015 HM10 closest Earth approach = 1.15 LD
00042015 MO116 closest Earth approach = 4.92 LD
6 July 2015
UTBoundary Transitions<10<SIM<1E<1Events
15472015 HM10 enters Earth SOI310019302015 HM10 last observed by radar, from Arecibo (transmit) & DSS-13 (receive) at 2.15 LD inbound, V=18. calculated
02002015 HM10 first observed by radar, from DSS-14 at 3.40 LD inbound, V=18.17 calculated
5 July 2015
UTBoundary Transitions<10<SIM<1E<1
13292015 PL57 exits 10-LD bubble3000
4 July 2015
UTEvents
02382015 MC last observed optically, by Holmes/CTIO at 40.53 LD outbound, V=20.2 reported
2 July 2015
UTBoundary Transitions<10<SIM<1E<1
19592015 MO116 enters 10-LD bubble4000
12012015 HM10 enters 10-LD bubble3000


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