<10=less than 10 LD from Earth

EBN Timeline for September 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)
30 Sept. 2015
UTEvents
07532015 SZ2 closest Earth approach = 1.32 LD
29 Sept. 2015
UTEvents
18292015 SZ2 closest lunar approach = 1.19 LD
08102015 SZ2 last observed by radar, from DSS-14 at 1.88 LD inbound, V=15.04 calculated
28 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1
20262015 SZ2 enters Earth SOI1100
27 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1
23152015 SV6 exits 10-LD bubble1000
26 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1
14122015 SM exits 10-LD bubble2000
10222015 SK7 exits 10-LD bubble3000
25 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
17242015 SV6 exits Earth SOI40002310discovery MPEC issued for 2015 SK7
09212015 SV6 enters Earth SOI410013232015 SV6 closest Earth approach = 2.31 LD
1205discovery MPEC issued for 2015 SV6
04112015 SZ2 first observed by radar, from Arecibo at 7.14 LD inbound, V=17.75 calculated
04062015 SV6 last observed optically, by ARO Westfield at 2.79 LD inbound, V=19.1 reported
24 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
21222015 SE exits 10-LD bubble400009422015 SK7 designation credited to CSS at 4.26 LD outbound, V=19.8 reported, elon. 151.7°
02312015 SH exits 10-LD bubble5000
23 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
17582015 SK7 exits Earth SOI60002210discovery MPEC issued for 2015 SZ2
06042015 SK7 exits Earth-Moon system610007592015 SV6 designation credited to MLS at 9.27 LD inbound, V=19.8 reported, elon. 174.2°
03312015 SV6 enters 10-LD bubble610106572015 SZ2 designation credited to CSS at 9.67 LD inbound, V=18.0 reported, elon. 159.0°
01112015 SZ2 enters 10-LD bubble5101
22 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
23042015 SK7 more than one LD from Moon410121432015 SK7 closest Earth approach = 0.07 LD
17522015 SK7 within one LD of Moon411120372015 SK7 closest lunar approach = 0.95 LD
13232015 SK7 enters Earth-Moon system4101
01282015 SK7 enters Earth SOI4100
21 Sept. 2015
UTEvents
15252015 SB last observed optically, by Mt. John Obs. at 11.03 LD outbound, R=19.2 reported
14522015 SH last observed optically, by Mt. John Obs. at 7.23 LD outbound, R=20.3 reported
20 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
01012015 SA exits 10-LD bubble400020302015 SE closest Earth approach = 4.18 LD
1525discovery MPEC issued for 2015 RU178
04092015 RW2 last observed optically, by Calar Alto Obs. at 23.70 LD outbound, R=21.1 reported
01402015 SE last observed optically, by Great Shefford Obs. at 4.54 LD inbound, R=18.1 reported
01032015 SM last observed optically, by Great Shefford Obs. at 4.21 LD outbound, R=19.3 reported
0101discovery MPEC issued for 2015 SM
19 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
23172015 RW35 exits 10-LD bubble50001820discovery MPEC issued for 2015 SH
09042015 SK7 enters 10-LD bubble60001411discovery MPEC issued for 2015 SG
06402015 SB exits 10-LD bubble50001203discovery MPEC issued for 2015 SE
18 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
10042015 SG exits 10-LD bubble600023592015 SM closest Earth approach = 4.01 LD
01372015 SB enters 10-LD bubble700016082015 SB closest Earth approach = 9.95 LD - Note: JPL reports an approach to 9.95 LD (9.94 minimum) .
09232015 SH designation credited to CSS at 3.95 LD outbound, V=19.0 reported, elon. 152.6°
09222015 SE designation credited to CSS at 6.95 LD inbound, V=18.9 reported, elon. 146.6°
08492015 ST designation credited to MLS at 24.75 LD outbound, V=21.4 reported, elon. 164.9°
08012015 RU178 last observed optically, by Veres/Mauna Kea at 38.13 LD outbound, R=22.7 reported
07282015 SG designation credited to CSS at 9.82 LD outbound, V=19.56 calculated, elon. 156.5°
06232015 SM designation credited to CSS at 4.11 LD inbound, V=19.1 reported, elon. 171.4°
17 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19112014 KS76 exits 10-LD bubble60001447discovery MPEC issued for 2015 SA
1445discovery MPEC issued for 2015 RO83
11162015 RX35 last observed optically, by Tholen team/Mauna Kea at 26.51 LD outbound, R=21.8 reported
09472015 RO35 last observed optically, by ARO Westfield at 32.61 LD outbound, V=22.1 reported
08432015 KK57 last observed optically, by Nault/Apache Point at 21.14 LD outbound, R=21.8 reported
08072015 SB designation credited to CSS at 10.18 LD inbound, V=19.1 reported, elon. 163.4°
16 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19472015 SE enters 10-LD bubble70001431discovery MPEC issued for 2015 RT82
02332015 PK9 last observed optically, by ARO Westfield at 83.61 LD outbound, V=22.2 reported
01562015 SA designation credited to SONEAR at 3.53 LD outbound, R=16.5 reported, elon. 157.7°
15 Sept. 2015
UTEvents
18212015 SH closest Earth approach = 2.53 LD
09432015 PS228 last observed optically, by Tholen team/Mauna Kea at 32.96 LD outbound, R=24.2 reported
0749distant 2014 EG45 last observed optically, by Tholen team/Mauna Kea at 306.69 LD, R=23.2 reported
07462015 RO83 designation credited to SST Atom Site at 10.48 LD outbound, r=18.3 reported, elon. 153.5°
00502015 SA closest Earth approach = 2.91 LD
14 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
22272015 RO83 exits 10-LD bubble600022112014 KS76 closest Earth approach = 8.72 LD
0621distant 2012 UV136 last observed optically, by Nault/Apache Point at 49.78 LD, R=22.0 reported
05532015 RT82 designation credited to SST Atom Site at 13.77 LD outbound, r=19.3 reported, elon. 163.1°
13 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
22432015 RW35 exits Earth SOI70001946discovery MPEC issued for 2015 RQ36
19002015 SG closest Earth approach = 4.95 LD
16552015 RW35 closest lunar approach = 2.66 LD
04352015 RW35 closest Earth approach = 2.14 LD
0056discovery MPEC issued for 2015 RX35
12 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
10292015 RW35 enters Earth SOI71002146discovery MPEC issued for 2015 RW35
01022014 KS76 enters 10-LD bubble700021002015 RW35 last observed optically, by Great Shefford Obs. at 2.19 LD inbound, R=19.8 reported
15412014 KS76 last observed optically, by Mt. John Obs. at 9.54 LD inbound, V=21.19 calculated
1427discovery MPEC issued for 2015 RO35
11332015 RQ36 designation credited to PS1 at 19.58 LD outbound, w=19.1 reported, elon. 150.7°
09512015 RU178 designation credited to PS1 at 13.39 LD outbound, w=21.2 reported, elon. 172.6°
07132015 SZ2 observed first, by PS1 at 25.01 LD inbound, w=20.2 reported, elon. 158.5°
11 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
23422015 RG2 exits 10-LD bubble60001916discovery MPEC issued for 2015 RW2
14072015 RU178 exits 10-LD bubble70001225distant 2011 SE97 last observed optically, by Tholen team/Mauna Kea at 117.28 LD, R=23.0 reported
11152015 SM enters 10-LD bubble80000310distant 2012 UV136 observed first, by ARO Westfield at 49.69 LD, V=22.5 reported, elon. 160.8°
10 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
16592015 RT82 exits 10-LD bubble700011412015 RW2 designation credited to PS1 at 9.87 LD outbound, w=20.7 reported, elon. 158.3°
14072015 RW2 exits 10-LD bubble80001116distant 2011 SE97 observed first, by Tholen team/Mauna Kea at 121.21 LD, R=22.7 reported, elon. 174.3°
00102015 SA enters 10-LD bubble9000
9 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19562015 ST exits 10-LD bubble800023592015 RG2 last observed optically, by Great Shefford Obs. at 7.58 LD outbound, R=19.0 reported
16022015 RU178 exits Earth SOI900012232015 RO35 designation credited to PS1 at 20.79 LD outbound, w=21.8 reported, elon. 117.2°
03102015 SG enters 10-LD bubble910011132015 RX35 designation credited to PS1 at 14.42 LD outbound, w=21.7 reported, elon. 133.7°
07452015 RW35 designation credited to PS1 at 5.99 LD inbound, w=20.4 reported, elon. 177.4°
04452015 RU178 closest Earth approach = 1.41 LD
03442015 ST closest Earth approach = 9.86 LD - Note: JPL has not posted an Earth close
approach listing for this object, indicating an uncertainty exceeding +/- ten days.
01402015 RU178 closest lunar approach = 1.90 LD
00462015 RO83 closest Earth approach = 5.35 LD - Note: JPL reports an approach to 5.35 LD (5.34 minimum) .
8 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
17282015 RU178 enters Earth SOI81001423discovery MPEC issued for 2015 RG2
11312015 ST enters 10-LD bubble8000
7 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
08002015 SH enters 10-LD bubble700017572015 RG2 closest Earth approach = 6.38 LD
07302015 RG2 designation credited to CSS at 6.43 LD inbound, V=19.1 reported, elon. 167.4°
6 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19222015 RU178 enters 10-LD bubble600007052015 HM10 last observed optically, by ARO Westfield at 123.59 LD outbound, V=23.1 reported
10592015 RW35 enters 10-LD bubble5000
09182015 RX35 exits 10-LD bubble4000
5 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1
22132015 RQ36 exits 10-LD bubble5000
4 Sept. 2015
UTEvents
22512015 RT82 closest Earth approach = 6.74 LD
19422015 RW2 closest Earth approach = 5.11 LD
08112015 PU227 last observed optically, by KPNO at 58.41 LD outbound, R=23.8 reported
0504distant 2014 EG45 observed first, by KPNO at 310.42 LD, R=24.2 reported, elon. 156.3°
3 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1
12372015 RG2 enters 10-LD bubble6000
01362015 RO83 enters 10-LD bubble5000
1 Sept. 2015
UTBoundary Transitions<10<SIM<1E<1Events
19242015 RO35 exits 10-LD bubble400007072015 RQ36 closest Earth approach = 6.50 LD


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