<10=less than 10 LD from Earth

EBN Timeline for April 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 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
21472015 HL171 enters 10-LD bubble61001409discovery MPEC issued for 2015 HQ171
06342015 GB14 exits 10-LD bubble510005582015 HA177 closest Earth approach = 1.74 LD
04412015 HA117 exits 10-LD bubble6100
29 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
19332015 HD10 exits Earth SOI71002159discovery MPEC issued for 2015 HL171
17472015 HO116 exits 10-LD bubble720021322015 HA177 closest lunar approach = 2.28 LD
15022015 HQ11 exits 10-LD bubble820011182015 GB14 last observed optically, by Tenagra II Obs. at 9.23 LD outbound, R=19.8 reported, elon. 98.9°
06092015 HA177 enters Earth SOI920007462015 HA177 last observed optically, by Tenagra II Obs. at 2.33 LD inbound, R=17.8 reported
05322015 HQ171 designation credited to CSS at 6.15 LD inbound, V=19.4 reported, elon. 137.6°
05162015 HD10 last observed optically, by Tenagra II Obs. at 1.63 LD outbound, R=17.4 reported, elon. 83.2°
04542015 HD10 closest Earth approach = 1.63 LD
28 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
14162015 HD10 enters Earth SOI910021442015 HD10 closest lunar approach = 1.22 LD
03572015 HE10 exits 10-LD bubble900015242015 GB14 closest Earth approach = 8.95 LD
10422015 HR43 last observed optically, by Tholen team/Mauna Kea at 42.48 LD outbound, R=22.0 reported
07432015 HL171 designation credited to MLS at 16.28 LD inbound, V=19.3 reported, elon. 131.4°
03052015 HD10 last observed by radar, from Arecibo at 3.52 LD inbound, V=17.89 calculated
02492015 HD10 first observed by radar, from Arecibo at 3.55 LD inbound, V=17.90 calculated
27 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
17442015 HO116 exits Earth SOI100001429discovery MPEC issued for 2015 HA117
08062015 HQ171 enters 10-LD bubble1010009392015 HO116 closest lunar approach = 1.67 LD
00182015 GB14 enters 10-LD bubble910009292015 HA117 closest Earth approach = 7.23 LD
07552015 HO116 closest Earth approach = 1.73 LD
07432015 HO116 last observed optically, by Tenagra II Obs. at 1.73 LD inbound, R=14.6 reported
26 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
22062015 HO116 enters Earth SOI81001607discovery MPEC issued for 2015 HO116
03502015 HQ11 exits Earth SOI800012512015 HE183 last observed optically, by Micheli/Mauna Kea at 19.75 LD outbound, R=22.0 reported
25 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
19152015 HD10 enters 10-LD bubble81001759discovery MPEC issued for 2015 HR43
11182015 HO116 designation credited to CSS at 7.79 LD inbound, V=19.4 reported, elon. 106.7°
11062015 HE183 designation credited to PS1 at 16.42 LD outbound, w=22.0 reported, elon. 169.5°
08482015 HE10 closest Earth approach = 7.96 LD
06182015 HQ11 closest Earth approach = 1.28 LD
05382015 HE10 last observed optically, by Tenagra II Obs. at 7.96 LD inbound, R=18.5 reported
05142015 HW10 last observed optically, by Tenagra II Obs. at 10.12 LD outbound, R=20.2 reported
04002015 HQ11 closest lunar approach = 1.24 LD
24 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
23502015 HW10 exits 10-LD bubble71001205discovery MPEC issued for 2015 HS11
22042015 HO116 enters 10-LD bubble81001205discovery MPEC issued for 2015 HQ11
14282015 HA117 enters 10-LD bubble710011252015 HR43 designation credited to PS1 at 29.80 LD outbound, w=21.2 reported, elon. 178.5°
08522015 HA177 enters 10-LD bubble610001592015 HA117 designation credited to Vaduvescu/La Palma at 10.93 LD inbound, R=21.5 reported, elon. 150.5°
08462015 HQ11 enters Earth SOI5100
04502015 HD1 exits 10-LD bubble5000
02392015 HE1 exits 10-LD bubble6000
23 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
14152015 HS11 enters 10-LD bubble700022102015 HQ11 last observed optically, by Drebach Obs. at 3.30 LD inbound, R=18.7 reported
08592015 HE183 exits 10-LD bubble60001658discovery MPEC issued for 2015 FC345
1658discovery MPEC issued for 2015 FV344
1658discovery MPEC issued for 2015 FU344
1658discovery MPEC issued for 2015 DQ224
14362015 HW10 closest Earth approach = 9.66 LD
10402015 HA177 designation credited to PS1 at 11.54 LD inbound, w=20.7 reported, elon. 172.6°
09252015 HR43 observed first, by PS1 at 26.41 LD outbound, w=21.2 reported, elon. 176.7°
07442015 HJ last observed optically, by Trueblood/KPNO at 17.42 LD outbound, R=22.4 reported
07222015 HQ11 designation credited to CSS at 4.62 LD inbound, V=18.9 reported, elon. 129.0°
05592015 GV last observed optically, by ARO Westfield at 53.85 LD outbound, V=22.5 reported
22 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
14022015 HE10 enters 10-LD bubble70002204discovery MPEC issued for 2015 HW10
05242015 HW10 enters 10-LD bubble60001748discovery MPEC issued for 2015 HM10
00422015 HD1 exits Earth SOI50001416discovery MPEC issued for 2015 HE10
1413discovery MPEC issued for 2015 HD10
08212015 HS11 designation credited to Allen/DECam at 10.83 LD inbound, V=19.9 reported, elon. 173.4°
07042015 GB6 last observed optically, by Allen/DECam at 51.27 LD outbound, V=22.87 calculated
21 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
16162015 HD1 more than one LD from Moon510011472015 HD1 closest lunar approach = 0.72 LD
15012015 HD1 exits Earth-Moon system511010122015 HE10 designation credited to PS1 at 11.71 LD inbound, w=19.8 reported, elon. 168.5°
07232015 HD1 within one LD of Moon511108162015 HD1 closest Earth approach = 0.15 LD - Note: JPL reports an approach to 0.15 LD .
01322015 HD1 enters Earth-Moon system510107132015 HW10 designation credited to MLS at 10.58 LD inbound, V=20.3 reported, elon. 125.6°
04332015 HE1 closest Earth approach = 3.30 LD
03482015 HD1 last observed optically, by ISON-NMO at 0.67 LD inbound, R=15.0 reported
00062015 HD10 designation credited to Allen/DECam at 23.92 LD inbound, V=22.3 reported, elon. 159.9°
20 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
21262015 HQ11 enters 10-LD bubble510021182015 HE1 last observed optically, by Great Shefford Obs. at 3.45 LD inbound, R=19.1 reported, elon. 100.0°
15512015 HD1 enters Earth SOI41001215distant 293726 2007 RQ17 last observed optically, by PS1 at 108.97 LD, w=21.2 reported
15102015 HE183 exits Earth SOI40001144distant 293726 2007 RQ17 observed first, by PS1 at 109.03 LD, w=21.2 reported, elon. 156.3°
07062015 KE enters 10-LD bubble410005112015 HE183 closest Earth approach = 2.03 LD - Note: JPL reports an approach to 2.03 LD (1.84 minimum) with an uncertainty of +/- 2 hours and 44 minutes.
19 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
19112015 HE183 enters Earth SOI310022422015 HE183 closest lunar approach = 2.14 LD
12592015 GL13 exits 10-LD bubble30002055discovery MPEC issued for 2015 HE1
1449discovery MPEC issued for 2015 HD1
01452015 HM10 designation credited to Allen/DECam at 146.01 LD inbound, V=23.3 reported, elon. 166.4°
18 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
23352015 GA1 exits 10-LD bubble400015152015 GA1 first observed by radar, from Arecibo at 8.79 LD outbound, V=26. calculated
11442015 HD1 enters 10-LD bubble50001409discovery MPEC issued for 2015 HJ
06292015 GB1 exits 10-LD bubble400007502015 FQ332 last observed optically, by Nault/Apache Point at 71.38 LD outbound, R=22.1 reported
06272015 HE1 enters 10-LD bubble500007212015 HE1 designation credited to PS1 at 9.89 LD inbound, w=19.3 reported, elon. 155.7°
05392015 HD1 designation credited to MLS at 10.89 LD inbound, V=20.1 reported, elon. 163.2°
17 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
20292015 HR43 exits 10-LD bubble40001412discovery MPEC issued for 2015 GB14
11322015 GK exits 10-LD bubble500008502015 HG182 last observed optically, by Spacewatch 1.8m at 10.31 LD outbound, V=21.60 calculated
09042015 GL exits 10-LD bubble6000
06572015 HG182 exits 10-LD bubble7000
02462015 GE1 exits 10-LD bubble8000
02022015 GL13 exits Earth SOI9000
01172015 HE183 enters 10-LD bubble9100
16 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
21352015 GL13 more than one LD from Moon810014372015 GL13 closest lunar approach = 0.44 LD
17342015 HJ exits 10-LD bubble81101128distant 2007 CT26 last observed optically, by Mt. John Obs. at 59.41 LD, R=20.0 reported
14362015 GL13 exits Earth-Moon system911011172015 GL last observed optically, by Tenagra II Obs. at 8.67 LD outbound, R=20.2 reported, elon. 77.1°
07392015 GL13 within one LD of Moon911108322015 HG182 designation credited to MLS at 6.28 LD outbound, V=20.6 reported, elon. 170.3°
03242015 GU exits 10-LD bubble910107522015 GL13 closest Earth approach = 0.48 LD
01082015 GL13 enters Earth-Moon system1010107342015 HJ designation credited to MLS at 9.77 LD outbound, V=20.0 reported, elon. 172.1°
07122015 GA1 closest Earth approach = 2.49 LD
0252discovery MPEC issued for 2015 GL13
02062015 GL13 last observed optically, by Great Shefford Obs. at 0.89 LD inbound, R=16.0 reported
15 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
13432015 GL13 enters Earth SOI1010013152015 GZ last observed optically, by Mt. John Obs. at 32.84 LD outbound, R=21.3 reported
08432015 HG182 exits Earth SOI100001225distant 2007 CT26 observed first, by Mt. John Obs. at 60.12 LD, R=19.8 reported, elon. 159.9°
11172015 GA1 last observed optically, by Tenagra II Obs. at 3.90 LD inbound, R=17.8 reported
10522015 GE1 last observed optically, by Tenagra II Obs. at 6.51 LD outbound, R=19.8 reported, elon. 78.5°
08162015 GB14 designation credited to MLS at 38.25 LD inbound, V=20.8 reported, elon. 172.0°
08022015 GL13 designation credited to CSS at 3.13 LD inbound, V=18.9 reported, elon. 160.9°
03452015 HR43 closest Earth approach = 5.41 LD
14 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
22212015 HG182 exits Earth-Moon system1010019152015 HG182 closest Earth approach = 0.86 LD
21202015 HG182 more than one LD from Moon1010116062015 HG182 closest lunar approach = 0.40 LD
16102015 HG182 enters Earth-Moon system1011114212015 HJ closest Earth approach = 9.33 LD
10532015 HG182 within one LD of Moon1011013552015 GZ5 last observed optically, by Mt. John Obs. at 20.04 LD outbound, R=20.4 reported
05472015 HG182 enters Earth SOI10100
13 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
14532015 GA1 enters 10-LD bubble1000022362015 GK last observed optically, by Great Shefford Obs. at 2.81 LD outbound, R=17.9 reported, elon. 75.0°
03552015 GU exits Earth SOI900021312015 GK closest Earth approach = 2.81 LD
03062015 FK120 exits 10-LD bubble91001511discovery MPEC issued for 2015 GB6
02502015 GL13 enters 10-LD bubble101001446discovery MPEC issued for 2015 GZ5
1426discovery MPEC issued for 2015 GY5
14262015 GB1 closest Earth approach = 6.00 LD
11382015 GB1 last observed optically, by Spacewatch 1.8m at 6.00 LD inbound, R=18.3 reported
10052015 GY5 last observed optically, by PS1 at 63.63 LD outbound, w=21.2 reported
08532015 DU last observed optically, by PS1 at 23.91 LD outbound, w=21.3 reported
05522015 GL closest Earth approach = 6.03 LD
01082015 GE1 closest Earth approach = 3.37 LD
12 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
18232015 GU more than one LD from Moon91001636discovery MPEC issued for 2015 GB1
14312015 GU exits Earth-Moon system91101617discovery MPEC issued for 2015 GE1
11002015 HJ enters 10-LD bubble91111447discovery MPEC issued for 2015 GA1
10572015 HR43 enters 10-LD bubble81111428discovery MPEC issued for 2015 GZ
07332015 HG182 enters 10-LD bubble711110292015 GU closest lunar approach = 0.62 LD
02452015 GU within one LD of Moon611105352015 GU closest Earth approach = 0.29 LD
01292015 GU last observed optically, by Great Shefford Obs. at 0.53 LD inbound, R=14.6 reported
11 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
20392015 GU enters Earth-Moon system61012344discovery MPEC issued for 2015 GV
07152015 GU enters Earth SOI61002018discovery MPEC issued for 2015 GU
05432015 GZ5 exits 10-LD bubble600010322015 GB1 designation credited to CSS at 7.07 LD inbound, V=18.5 reported, elon. 157.0°
07142015 GB6 designation credited to MLS at 21.57 LD outbound, V=20.7 reported, elon. 169.4°
06402015 GA1 designation credited to MLS at 18.35 LD inbound, V=20.6 reported, elon. 175.0°
06282015 GZ5 designation credited to CSS at 10.08 LD outbound, V=18.3 reported, elon. 167.7°
05252015 GU designation credited to CSS at 2.60 LD inbound, V=18.7 reported, elon. 155.6°
05022015 GZ designation credited to MLS at 16.01 LD outbound, V=19.6 reported, elon. 166.5°
04212015 GE1 designation credited to CSS at 5.49 LD inbound, V=17.65 calculated, elon. 153.9°
10 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
07302015 GK enters 10-LD bubble70002042discovery MPEC issued for 2015 GL
2022discovery MPEC issued for 2015 GK
06522015 FJ120 last observed optically, by Nault/Apache Point at 50.50 LD outbound, R=22.0 reported
06452015 GV designation credited to CSS at 19.07 LD outbound, V=19.8 reported, elon. 149.1°
06002015 GY5 designation credited to MLS at 52.64 LD outbound, V=21.0 reported, elon. 174.0°
9 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
04012015 GZ exits 10-LD bubble60000940distant 2014 WP362 last observed optically, by Micheli/Paranal at 466.25 LD, R=24.6 reported, elon. 55.5°
02522015 GL enters 10-LD bubble700007112015 GL designation credited to PS1 at 9.72 LD inbound, w=19.1 reported, elon. 119.1°
05422015 GK designation credited to CSS at 12.79 LD inbound, V=19.4 reported, elon. 152.2°
00012015 GZ5 closest Earth approach = 6.52 LD
8 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
23502015 GE1 enters 10-LD bubble60001202discovery MPEC issued for 2015 BW516
23282015 GB1 enters 10-LD bubble5000
15072015 FN33 exits 10-LD bubble4000
07512015 GU enters 10-LD bubble5000
7 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
05362015 FC345 exits 10-LD bubble400023322015 GZ closest Earth approach = 8.70 LD
6 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
19012015 GZ enters 10-LD bubble500021002015 FN33 closest Earth approach = 9.80 LD
18132015 GZ5 enters 10-LD bubble40000605357439 2004 BL86 last observed optically, by Tenagra II Obs. at 251.60 LD outbound, R=20.4 reported
5 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
19092015 GB6 exits 10-LD bubble300013562015 FK120 closest Earth approach = 5.81 LD
10592015 GV exits 10-LD bubble4000
03032015 FN33 enters 10-LD bubble5000
4 April 2015
UTEvents
07332015 GV closest Earth approach = 9.49 LD
3 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
23282015 FA285 exits 10-LD bubble400022202015 GB6 closest Earth approach = 8.68 LD
21092015 FW117 exits 10-LD bubble5000
04042015 GV enters 10-LD bubble6000
2 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
04362015 FM118 exits 10-LD bubble50001211discovery MPEC issued for 2015 FQ332
01252015 GB6 enters 10-LD bubble600005542015 FA285 last observed optically, by Nault/Apache Point at 7.21 LD outbound, R=17.1 reported
00042015 FF36 exits 10-LD bubble500000112015 FK120 last observed optically, by GiaGa Obs. at 7.00 LD inbound, R=19.2 reported
1 April 2015
UTBoundary Transitions<10<SIM<1E<1Events
19462015 FT117 exits 10-LD bubble600015532015 FW117 closest Earth approach = 3.59 LD
15392015 FC exits 10-LD bubble700012182015 FW117 last observed optically, by Tangra Obs. at 3.64 LD inbound, R=13.3 reported
09282015 FC345 exits Earth SOI8000


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