<10=less than 10 LD from Earth

EBN Timeline for May 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 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
22002015 MZ53 enters 10-LD bubble300020362015 KQ120 closest Earth approach = 8.54 LD
14472015 KW120 last observed by radar, from Arecibo at 6.27 LD outbound, V=26. calculated
14052015 KW120 first observed by radar, from Arecibo at 6.18 LD outbound, V=26. calculated
08532015 KQ120 last observed optically, by Tenagra II Obs. at 8.58 LD inbound, R=18.5 reported
30 May 2015
UTBoundary Transitions<10<SIM<1E<1
05382015 KW120 exits Earth SOI2000
29 May 2015
UTEvents
11532015 KW120 closest Earth approach = 1.07 LD
10072015 KW120 last observed optically, by Tenagra II Obs. at 1.09 LD inbound, R=14.7 reported
05572015 KW120 closest lunar approach = 1.72 LD
28 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
18072015 KW120 enters Earth SOI210005002015 KZ121 last observed optically, by Holmes/CTIO at 23.41 LD outbound, V=20.6 reported
16542015 KQ120 enters 10-LD bubble200004372015 KW121 last observed optically, by ARO Westfield at 21.00 LD outbound, V=21.3 reported
01162015 KY56 exits 10-LD bubble1000
27 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
12472015 KO122 exits 10-LD bubble200022402015 KO122 last observed optically, by Sormano Obs. at 11.31 LD outbound, V=20.20 calculated
1422discovery MPEC issued for 2015 KO122
04292015 KH160 last observed optically, by MLS at 25.46 LD outbound, V=21.9 reported
0000discovery MPEC issued for 2015 KA122
26 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
01562015 KW120 enters 10-LD bubble30002325discovery MPEC issued for 2015 KZ121
1431discovery MPEC issued for 2015 KW121
06082015 KO122 designation credited to MLS at 6.08 LD outbound, V=19.3 reported, elon. 156.5°
05352015 KH160 designation credited to MLS at 19.11 LD outbound, V=20.7 reported, elon. 166.3°
25 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
20402015 KW121 exits 10-LD bubble20002148discovery MPEC issued for 2015 KW120
2131discovery MPEC issued for 2015 KQ120
09092015 KA122 designation credited to CSS at 27.32 LD inbound, V=19.4 reported, elon. 135.6°
09052015 KW121 designation credited to CSS at 7.73 LD outbound, V=19.33 calculated, elon. 136.8°
05392015 KY56 closest Earth approach = 5.66 LD
05032015 KZ121 designation credited to CSS at 15.46 LD outbound, V=19.5 reported, elon. 151.6°
24 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
20322015 KH160 exits 10-LD bubble300015222015 KO122 closest Earth approach = 2.90 LD
05382015 KW121 exits Earth SOI40001414discovery MPEC issued for 2015 KM57
1409discovery MPEC issued for 2015 KK57
08072015 KU121 designation credited to MLS at 54.11 LD inbound, V=20.1 reported, elon. 152.6°
07012015 KW120 designation credited to CSS at 15.20 LD inbound, V=19.2 reported, elon. 169.5°
06262015 KY56 last observed optically, by Tenagra II Obs. at 6.33 LD inbound, R=18.5 reported
03542015 KH158 last observed optically, by Allen/DECam at 39.74 LD inbound, V=21.98 calculated
00432015 KG158 last observed optically, by Allen/DECam at 16.13 LD outbound, V=22.28 calculated
23 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
21242015 KW121 exits Earth-Moon system410018012015 KW121 closest Earth approach = 0.74 LD
15092015 KH160 exits Earth SOI410117282015 KW121 closest lunar approach = 1.69 LD
14372015 KW121 enters Earth-Moon system42011414discovery MPEC issued for 2015 KY56
06242015 KW121 enters Earth SOI420009012015 KH160 closest Earth approach = 1.70 LD - Note: JPL reports an approach uncertainty of +/- 45 minutes.
02542015 KH160 enters Earth SOI410007542015 KH160 closest lunar approach = 2.62 LD
03362015 KH158 designation credited to Allen/DECam at 42.21 LD inbound, V=22.2 reported, elon. 169.8°
00362015 KG158 designation credited to Allen/DECam at 14.34 LD outbound, V=22.0 reported, elon. 166.0°
22 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
22372015 KZ121 exits 10-LD bubble400013082015 KK last observed optically, by Mt. John Obs. at 38.16 LD outbound, R=20.5 reported
10142015 KY56 enters 10-LD bubble500011302015 KQ120 designation credited to PS1 at 17.82 LD inbound, w=21.3 reported, elon. 171.1°
10302015 LG observed first, by PS1 at 63.00 LD inbound, R=21.4 reported, elon. 159.4°
10162015 KY56 designation credited to PS1 at 10.00 LD inbound, w=19.3 reported, elon. 159.8°
09432015 JC1 last observed optically, by Tholen team/Mauna Kea at 47.38 LD outbound, R=23.4 reported
06032015 JR1 last observed optically, by ARO Westfield at 24.79 LD outbound, V=22.2 reported
21 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
21302015 KH160 enters 10-LD bubble400011322015 KM57 designation credited to PS1 at 43.22 LD inbound, w=21.5 reported, elon. 172.9°
21072015 KA exits 10-LD bubble300008152015 KM57 observed first, by Allen/DECam at 43.67 LD inbound, V=21.9 reported, elon. 172.9°
17552015 KO122 enters 10-LD bubble4000
15222015 KW121 enters 10-LD bubble3000
20 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
18072015 JF exits 10-LD bubble200023262015 KG158 observed first, by Allen/DECam at 10.72 LD outbound, V=21.2 reported, elon. 165.3°
13362015 KG158 exits 10-LD bubble300008332015 KA122 observed first, by CSS at 39.09 LD inbound, V=20.5 reported, elon. 136.3°
02392015 KZ121 closest Earth approach = 6.18 LD
19 May 2015
UTEvents
1420discovery MPEC issued for 2015 KK
1409discovery MPEC issued for 2015 KE
10232015 KK57 designation credited to PS1 at 16.14 LD inbound, w=21.7 reported, elon. 161.7°
18 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
17292015 JF1 exits 10-LD bubble40002234discovery MPEC issued for 2015 KA
07592015 KK designation credited to CSS at 15.43 LD outbound, V=18.2 reported, elon. 169.8°
07172015 JF closest Earth approach = 9.03 LD
05322015 KA designation credited to CSS at 6.96 LD outbound, V=18.4 reported, elon. 159.5°
05022015 KE designation credited to CSS at 10.42 LD outbound, V=19.5 reported, elon. 155.1°
17 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
22232015 JR exits 10-LD bubble500002112015 JF last observed optically, by Schiaparelli Obs. at 9.28 LD inbound, V=19.77 calculated
15212015 KE exits 10-LD bubble6000
06382015 KZ121 enters 10-LD bubble7000
05362015 KK exits 10-LD bubble6000
16 May 2015
UTBoundary Transitions<10<SIM<1E<1
05292015 JF1 exits Earth SOI7000
15 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
23492015 JF1 more than one LD from Moon71002317discovery MPEC issued for 2015 JR1
20522015 JF enters 10-LD bubble711019272015 KA closest Earth approach = 6.23 LD
18012015 JD exits 10-LD bubble611018432015 JF1 closest lunar approach = 0.76 LD
16262015 JF1 exits Earth-Moon system711017042015 KK closest Earth approach = 5.47 LD
15192015 KG158 exits Earth SOI711111512015 JF1 closest Earth approach = 0.81 LD
13362015 JF1 within one LD of Moon721101532015 KG158 closest Earth approach = 2.19 LD
07172015 JF1 enters Earth-Moon system7201
14 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
18142015 JF1 enters Earth SOI720020352015 KG158 closest lunar approach = 2.92 LD
12272015 KG158 enters Earth SOI710012482015 KU121 observed first, by PS1 at 92.21 LD inbound, w=21.0 reported, elon. 144.0°
04312015 KK enters 10-LD bubble70001027discovery MPEC issued for 2015 JF1
05412015 JF1 last observed optically, by Spacewatch 1.8m at 3.96 LD inbound, R=18.2 reported
13 May 2015
UTEvents
22052015 JR closest Earth approach = 4.00 LD
21262015 JR last observed optically, by Great Shefford Obs. at 4.00 LD inbound, R=18.7 reported
1416discovery MPEC issued for 2015 JC1
07172015 JR1 designation credited to CSS at 11.44 LD outbound, V=19.2 reported, elon. 155.3°
12 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
06182015 JF1 enters 10-LD bubble600011402015 JD last observed optically, by Mt. John Obs. at 4.63 LD outbound, R=18.2 reported
03272015 JR1 exits 10-LD bubble500008092015 JC1 designation credited to MLS at 12.74 LD outbound, V=19.2 reported, elon. 174.8°
06182015 JF1 designation credited to MLS at 10.00 LD inbound, V=20.8 reported, elon. 168.3°
11 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
11492015 JC1 exits 10-LD bubble60001411discovery MPEC issued for 2015 JR
10 May 2015
UTEvents
23242015 JD closest Earth approach = 3.55 LD - Note: JPL reports an approach to 3.55 LD .
04522015 JR designation credited to MLS at 9.41 LD inbound, V=20.0 reported, elon. 139.3°
9 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
22032015 JR enters 10-LD bubble70001409discovery MPEC issued for 2015 JF
15322015 KA enters 10-LD bubble6000
14122015 HS11 exits 10-LD bubble5000
13562015 KG158 enters 10-LD bubble6000
8 May 2015
UTEvents
2114discovery MPEC issued for 2015 JD
17522015 JC1 closest Earth approach = 3.54 LD
1044discovery MPEC issued for 2015 HA177
7 May 2015
UTEvents
17182015 JR1 closest Earth approach = 6.96 LD
10352015 HS11 last observed optically, by Tenagra II Obs. at 8.81 LD outbound, R=20.7 reported
10102015 JD designation credited to CSS at 7.83 LD inbound, V=18.7 reported, elon. 137.5°
06212015 JF designation credited to MLS at 21.74 LD inbound, V=20.4 reported, elon. 175.0°
04532015 JF observed first, by MLS at 21.85 LD inbound, V=20.3 reported, elon. 174.9°
6 May 2015
UTBoundary Transitions<10<SIM<1E<1
23172015 HQ171 exits 10-LD bubble5000
10082015 KE exits Earth SOI6000
05092015 JD enters 10-LD bubble6100
03042015 HA177 exits 10-LD bubble5100
5 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
23552015 JC1 enters 10-LD bubble610002512015 KE closest lunar approach = 1.64 LD
3 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
14062015 HL171 exits 10-LD bubble510022092015 KE closest Earth approach = 1.60 LD
06092015 JR1 enters 10-LD bubble610006352015 HS11 first observed by radar, from Arecibo at 7.30 LD outbound, V=20.37 calculated
04192015 HQ171 exits Earth SOI510003522015 HL171 last observed optically, by Tenagra II Obs. at 9.40 LD outbound, R=18.4 reported
2 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
14312015 HD10 exits 10-LD bubble520005552015 HL171 closest Earth approach = 8.85 LD
03502015 HQ171 closest Earth approach = 1.16 LD
1 May 2015
UTBoundary Transitions<10<SIM<1E<1Events
10162015 KE enters Earth SOI620018172015 HQ171 closest lunar approach = 1.71 LD
05462015 HA177 exits Earth SOI610011022015 HS11 closest Earth approach = 7.13 LD
03202015 HQ171 enters Earth SOI620008562015 HA117 last observed optically, by Micheli/Paranal at 12.18 LD outbound, R=22.4 reported
07512015 HQ171 last observed optically, by Tenagra II Obs. at 2.07 LD inbound, R=17.1 reported


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