<10=less than 10 LD from Earth

EBN Timeline for August 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 Aug. 2015
UTEvents
21582017 DF38 closest Earth approach = 2.44 LD - Note: JPL reports an approach to 2.43 LD at 2126 UTC with an uncertainty of +/- 39 minutes.
08072015 RX35 closest Earth approach = 3.93 LD
30 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1
22032015 PT227 exits 10-LD bubble6000
02492015 RT82 enters 10-LD bubble7000
00052015 RW2 enters 10-LD bubble6000
29 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
15532015 QT3 exits 10-LD bubble500016042015 PT227 closest Earth approach = 9.65 LD
28 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
10082015 PT227 enters 10-LD bubble600002542015 QT3 closest Earth approach = 4.15 LD
01512015 QT3 last observed optically, by Great Shefford Obs. at 4.16 LD inbound, R=17.3 reported, elon. 85.9°
00182015 RO35 closest Earth approach = 6.47 LD
27 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
15482015 RQ36 enters 10-LD bubble500011502015 QY8 last observed optically, by Spacewatch 1.8m at 11.09 LD outbound, R=21.7 reported
13232015 QS8 exits 10-LD bubble400010202015 QT3 last observed by radar, from DSS-14 at 5.82 LD inbound, V=16.80 calculated
10102015 QH3 exits 10-LD bubble500009002015 QT3 first observed by radar, from DSS-14 at 6.05 LD inbound, V=16.82 calculated
26 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
21202017 DF38 enters 10-LD bubble600008562015 QS8 last observed optically, by Nault/Apache Point at 8.27 LD outbound, R=17.2 reported
15092015 QY8 exits 10-LD bubble500007472015 QH3 last observed optically, by Nault/Apache Point at 8.47 LD outbound, R=17.6 reported
13562015 QT3 enters 10-LD bubble6000
25 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
08002015 RX35 enters 10-LD bubble500015572015 QK9 last observed optically, by Mt. John Obs. at 15.07 LD outbound, R=19.9 reported, elon. 97.2°
1404discovery MPEC issued for 2015 QK9
24 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1
02522015 QK9 exits 10-LD bubble4000
23 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
20072015 QK exits 10-LD bubble50001419discovery MPEC issued for 2015 QY8
05182015 RO35 enters 10-LD bubble600011112015 PT227 last observed optically, by Mt. John Obs. at 16.24 LD inbound, R=18.6 reported
0103discovery MPEC issued for 2015 QS8
22 Aug. 2015
UTEvents
1542discovery MPEC issued for 2015 QT3
14432015 QS8 closest Earth approach = 5.00 LD
09272015 QK9 closest Earth approach = 7.13 LD
07212015 QK9 designation credited to CSS at 7.14 LD inbound, V=17.8 reported, elon. 162.1°
05592015 QY8 designation credited to CSS at 4.58 LD outbound, V=19.6 reported, elon. 145.8°
05072015 QY8 observed first, by CSS at 4.54 LD outbound, V=20.0 reported, elon. 146.0°
04392015 QS8 designation credited to CSS at 5.05 LD inbound, V=18.91 calculated, elon. 150.0°
21 Aug. 2015
UTEvents
18172015 QH3 closest Earth approach = 4.38 LD
08162015 QK last observed optically, by ARO Westfield at 6.26 LD outbound, V=19.0 reported
06302015 QT3 designation credited to Spacewatch 0.9m at 40.79 LD inbound, V=20.8 reported, elon. 158.8°
06162015 OA26 last observed optically, by ARO Westfield at 90.85 LD outbound, V=22.2 reported
0042discovery MPEC issued for 2015 PL307
20 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
16052015 QK9 enters 10-LD bubble50002343discovery MPEC issued for 2015 QH3
02442015 QY8 exits Earth SOI40001416discovery MPEC issued for 2015 QK
11572014 KS76 observed first, by Tholen team/Mauna Kea at 45.13 LD inbound, R=24.0 reported, elon. 133.9°
08182015 QH3 designation credited to CSS at 4.93 LD inbound, V=18.1 reported, elon. 162.0°
06352015 PS56 last observed optically, by Spacewatch 1.8m at 75.24 LD outbound, R=21.1 reported
19 Aug. 2015
UTEvents
11522015 PL307 last observed optically, by Micheli/Mauna Kea at 49.50 LD outbound, R=22.0 reported
06252015 QK designation credited to CSS at 4.68 LD outbound, V=18.2 reported, elon. 169.9°
02542015 QK closest Earth approach = 4.67 LD
01102015 QY8 closest Earth approach = 1.97 LD
18 Aug. 2015
UTEvents
16492015 QY8 closest lunar approach = 2.48 LD
17 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
23342015 QY8 enters Earth SOI410007432015 PL9 last observed optically, by ARO Westfield at 23.34 LD outbound, V=22.1 reported
15472015 QS8 enters 10-LD bubble4000
16 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1
05272015 PS228 exits 10-LD bubble3000
02572015 QH3 enters 10-LD bubble4000
15 Aug. 2015
UTEvents
1410discovery MPEC issued for 2015 PS228
02422015 PK9 last observed by radar, from Arecibo at 16.52 LD outbound, V=18.15 calculated
02202015 PK9 first observed by radar, from Arecibo at 16.50 LD outbound, V=18.15 calculated
14 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
09482015 QK enters 10-LD bubble30001426discovery MPEC issued for 2015 PU227
1423discovery MPEC issued for 2015 PT227
13 Aug. 2015
UTEvents
1423discovery MPEC issued for 2015 PL57
12 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
00302015 PL9 exits 10-LD bubble20001412discovery MPEC issued for 2015 PS56
10002015 PU227 designation credited to PS1 at 11.01 LD outbound, w=20.0 reported, elon. 163.9°
09012015 PT227 designation credited to PS1 at 38.26 LD inbound, w=20.2 reported, elon. 154.1°
07522015 PS228 designation credited to PS1 at 7.59 LD outbound, w=21.6 reported, elon. 159.8°
11 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19392015 PU227 exits 10-LD bubble30001739discovery MPEC issued for 2015 PL9
09482015 QY8 enters 10-LD bubble40001410discovery MPEC issued for 2015 PK9
09482015 PK9 exits 10-LD bubble3000
10 Aug. 2015
UTEvents
13232015 PL9 designation credited to PS1 at 6.36 LD outbound, R=18.7 reported, elon. 146.2°
10292015 PL57 designation credited to PS1 at 32.87 LD outbound, w=21.3 reported, elon. 169.2°
09082015 PS56 designation credited to PS1 at 37.65 LD outbound, w=20.2 reported, elon. 172.4°
02242015 PK9 designation credited to SONEAR at 8.04 LD outbound, R=15.6 reported, elon. 161.2°
9 Aug. 2015
UTEvents
1202discovery MPEC issued for 2015 PK
11352015 PL307 designation credited to PS1 at 20.84 LD outbound, r=21.1 reported, elon. 154.6°
8 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
21412015 PK exits 10-LD bubble400008562015 PK last observed optically, by CAO at 8.09 LD outbound, R=20.0 reported
21292015 PL9 exits Earth SOI500005092015 PL9 closest lunar approach = 2.08 LD
01482015 PL9 closest Earth approach = 1.24 LD
7 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
06072015 PL9 enters Earth SOI510012572015 PU227 closest Earth approach = 5.42 LD
12362015 PK designation credited to PS1 at 5.03 LD outbound, i=19.2 reported, elon. 162.4°
05432015 PK9 closest Earth approach = 5.77 LD
6 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19042015 PK exits Earth SOI500005322015 PK closest lunar approach = 1.06 LD
09382015 PK exits Earth-Moon system510003092015 PK closest Earth approach = 0.21 LD
5 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1
20402015 PK enters Earth-Moon system5101
11142015 PK enters Earth SOI5100
10292015 PL307 exits 10-LD bubble5000
4 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1
03022015 PL9 enters 10-LD bubble6000
3 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1
08382015 PK enters 10-LD bubble5000
05492015 PU227 enters 10-LD bubble4000
00592015 PK9 enters 10-LD bubble3000
2 Aug. 2015
UTBoundary Transitions<10<SIM<1E<1Events
03492015 PS56 exits 10-LD bubble200004382015 PL307 closest Earth approach = 4.23 LD - Note: JPL reports an approach to 4.26 LD (4.20 minimum) with an uncertainty of +/- one minute.


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