<10=less than 10 LD from Earth

EBN Timeline for May 2017

<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 2017
UTBoundary Transitions<10<SIM<1E<1Events
15352017 KW31 more than one LD from Moon71001202discovery MPEC issued for 2017 JC6
0821418094 2007 WV4 enters 10-LD bubble71101202discovery MPEC issued for 2017 HJ61
10072017 KC36 last observed optically, by Micheli/Mauna Kea at 12.27 LD outbound, G=20.6 reported
08312017 KW31 last observed optically, by Mt. John Obs. at 1.23 LD outbound, R=17.3 reported, elon. 77.1°
07302017 KW31 closest lunar approach = 0.45 LD
07062017 KW31 closest Earth approach = 1.23 LD
30 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23252017 KW31 within one LD of Moon611015492017 KJ27 closest Earth approach = 6.03 LD
13562017 KC36 exits 10-LD bubble610011512017 KC36 designation credited to PS1 at 9.77 LD outbound, w=20.6 reported, elon. 156.9°
10362017 KW31 enters Earth SOI710009272017 KJ27 last observed optically, by Tenagra II Obs. at 6.11 LD inbound, R=18.8 reported, elon. 93.3°
0602distant 2016 SR2 observed first, by Micheli/Paranal at 122.96 LD, G=25.2 reported, elon. 134.9°
03582017 KG3 last observed optically, by ARO Westfield at 54.75 LD outbound, V=22.3 reported
29 May 2017
UTEvents
15432017 CS closest Earth approach = 7.93 LD
1446discovery MPEC issued for 2017 KW31
1432discovery MPEC issued for 2017 KT31
11172017 JB2 last observed optically, by Tholen 2.24m at 16.73 LD outbound, G=24.5 reported
07022017 KK32 designation credited to MLS at 11.46 LD outbound, V=19.5 reported, elon. 163.8°
06412017 KJ32 designation credited to MLS at 3.21 LD outbound, V=19.9 reported, elon. 136.1°
28 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
19182017 KW4 exits 10-LD bubble70001337distant 2016 UE last observed optically, by Tholen 2.24m at 93.03 LD, G=23.7 reported
15472017 KH5 exits 10-LD bubble80001304distant 2016 UE observed first, by Tholen 2.24m at 93.05 LD, G=24.1 reported, elon. 124.7°
11052017 KJ27 enters 10-LD bubble900012102017 JP2 last observed optically, by Mt. John Obs. at 83.98 LD outbound, R=20.9 reported
06212017 KK32 exits 10-LD bubble80001202discovery MPEC issued for 2017 KN27
09522017 HU49 last observed optically, by Mt. John Obs. at 8.50 LD outbound, R=20.0 reported, elon. 95.6°
07202017 KY4 last observed optically, by Steward Mt. Lemmon Sta. at 16.10 LD outbound, V=20.6 reported, elon. 88.3°
07102017 KW31 designation credited to CSS at 7.36 LD inbound, V=19.3 reported, elon. 156.0°
0033discovery MPEC issued for 2017 KJ27
0000discovery MPEC issued for 2017 KR27
27 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
13402017 LD enters 10-LD bubble90002356discovery MPEC issued for 2017 KQ27
07452017 KJ32 exits Earth SOI80002354discovery MPEC issued for 2017 KP27
04442017 KW31 enters 10-LD bubble810023382017 HG4 last observed optically, by Micheli/Paranal at 27.77 LD outbound, G=24.7 reported, elon. 94.5°
12192017 BS5 observed first, by Tholen 2.24m at 63.16 LD inbound, G=22.3 reported, elon. 85.4°
09452017 MC1 observed first, by PS1 at 97.41 LD inbound, V=22.31 calculated, elon. 177.1°
07332017 KT31 designation credited to MLS at 26.35 LD outbound, V=21.1 reported, elon. 100.6°
04482017 KC36 closest Earth approach = 3.14 LD - Note: JPL reports an approach to 3.13 LD (3.01 minimum) with an uncertainty of +/- 23 minutes.
26 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
16122017 CS enters 10-LD bubble710013402017 KR27 designation credited to Xuyi Sta. at 30.76 LD inbound, R=19.6 reported, elon. 151.7°
06502017 KH5 exits Earth SOI610010022017 KK32 closest Earth approach = 8.83 LD
25 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
09012017 KN27 exits 10-LD bubble620022252017 KW4 last observed optically, by Great Shefford Obs. at 3.97 LD outbound, G=18.4 reported, elon. 81.1°
07202017 KY4 exits 10-LD bubble720021582017 KH5 closest lunar approach = 1.48 LD
01552017 KH5 enters Earth SOI820016222017 KH5 closest Earth approach = 1.32 LD
15332017 KW4 closest Earth approach = 3.88 LD
1034discovery MPEC issued for 2017 KH5
08512017 KH5 last observed optically, by MLS at 1.69 LD inbound, V=17.8 reported
07182017 KQ27 designation credited to PS1 at 29.56 LD inbound, w=21.4 reported, elon. 145.4°
07132017 KP27 designation credited to PS1 at 23.08 LD outbound, w=21.4 reported, elon. 136.8°
04502017 KN27 designation credited to MLS at 9.42 LD outbound, V=19.24 calculated, elon. 128.1°
24 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
13322017 KK32 enters 10-LD bubble810017142017 KJ32 closest Earth approach = 1.90 LD
1548discovery MPEC issued for 2017 KW4
1532discovery MPEC issued for 2017 KY4
1101distant 357439 2004 BL86 last observed optically, by PS1 at 438.14 LD, w=21.6 reported
09292017 KJ27 designation credited to MLS at 23.58 LD inbound, V=19.9 reported, elon. 152.6°
09272017 KH5 designation credited to MLS at 4.49 LD inbound, V=19.3 reported, elon. 156.2°
23 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
19312017 KC36 enters 10-LD bubble710005422017 KZ2 last observed optically, by Nault/Apache Point at 46.77 LD outbound, R=22.0 reported
05262017 KN27 closest Earth approach = 5.22 LD
22 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
17012017 KH5 enters 10-LD bubble610022002017 CS first observed by radar, from DSS-14 at 15.88 LD inbound, V=15.39 calculated
11542017 KW4 enters 10-LD bubble510009362017 KY4 designation credited to MLS at 4.40 LD outbound, V=17.9 reported, elon. 113.7°
02202017 KJ32 enters Earth SOI410008382017 KY4 observed first, by MLS at 4.33 LD outbound, V=17.2 reported, elon. 114.4°
0725distant 2008 NP3 observed first, by Spacewatch 1.8m at 120.00 LD, R=20.9 reported, elon. 178.1°
06072017 KW4 designation credited to CSS at 10.65 LD inbound, V=19.2 reported, elon. 146.1°
01322017 KJ32 closest lunar approach = 1.73 LD
21 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
14252017 KT31 exits 10-LD bubble400015322017 JY1 last observed optically, by Mt. John Obs. at 23.98 LD outbound, R=21.7 reported
01482017 KN27 enters 10-LD bubble500008332017 JG3 last observed optically, by Spacewatch 1.8m at 39.29 LD outbound, V=21.48 calculated
0409discovery MPEC issued for 2017 KZ2
0317discovery MPEC issued for 2017 KG3
20 May 2017
UTEvents
15482017 KY4 closest Earth approach = 2.47 LD
13362017 KT31 closest Earth approach = 9.25 LD
19 May 2017
UTBoundary Transitions<10<SIM<1E<1
12482017 KT31 enters 10-LD bubble4000
18 May 2017
UTBoundary Transitions<10<SIM<1E<1
21472017 JB2 exits 10-LD bubble3000
17 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
18242017 JM2 exits 10-LD bubble400008592017 KG3 designation credited to CSS at 14.80 LD outbound, V=18.7 reported, elon. 153.1°
16 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23552017 JA2 exits 10-LD bubble50001815discovery MPEC issued for 2017 JG3
07102017 JX1 exits 10-LD bubble600007092017 LD observed first, by PS1 at 22.26 LD inbound, G=22.0 reported, elon. 154.9°
00222017 KY4 enters 10-LD bubble700004092017 KZ2 designation credited to MLS at 20.28 LD outbound, V=20.6 reported, elon. 128.5°
15 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
15462017 KG3 exits 10-LD bubble600006192017 JM2 last observed optically, by Tenagra II Obs. at 5.10 LD outbound, R=17.4 reported
03482017 JM2 closest Earth approach = 5.09 LD
14 May 2017
UTEvents
08082017 JG3 designation credited to MLS at 16.00 LD outbound, V=19.6 reported, elon. 159.6°
13 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
01182017 KZ2 exits 10-LD bubble700000122017 KG3 closest Earth approach = 5.57 LD
12 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
17302017 JV1 exits 10-LD bubble800012302017 JA2 closest Earth approach = 2.57 LD
13172017 JM2 enters 10-LD bubble900006022017 JA2 last observed optically, by Tenagra II Obs. at 2.64 LD inbound, R=16.3 reported, elon. 98.4°
03042017 JG3 exits 10-LD bubble8000
11 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23192017 JY1 exits 10-LD bubble900021392017 HU49 closest Earth approach = 5.56 LD
23082017 HX4 exits 10-LD bubble1000006302017 KZ2 closest Earth approach = 7.25 LD - Note: JPL reports an approach to 7.25 LD (7.19 minimum) .
02492017 JX1 closest Earth approach = 3.71 LD
00132017 JX1 last observed optically, by Great Shefford Obs. at 3.72 LD inbound, G=18.2 reported
10 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
08312017 KG3 enters 10-LD bubble110001145discovery MPEC issued for 2017 JP2
06562017 KP27 exits 10-LD bubble100001142discovery MPEC issued for 2017 JM2
1046discovery MPEC issued for 2017 JB2
05572017 JG3 closest Earth approach = 7.64 LD
9 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
11392017 KZ2 enters 10-LD bubble1100011222017 JY1 closest Earth approach = 8.88 LD
02262017 JV1 exits Earth SOI100000702distant 484402 2007 XH16 observed first, by WISE at 134.82 LD, R=19 reported, elon. 89.6°
8 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
15492017 JV1 enters Earth SOI1010021082017 JV1 closest Earth approach = 2.34 LD
08492017 JG3 enters 10-LD bubble1000011562017 HX4 closest Earth approach = 3.70 LD
01372017 JQ1 exits 10-LD bubble9000
00572017 JA2 enters 10-LD bubble10000
7 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
10172017 JB2 exits Earth SOI900023292017 JV1 last observed optically, by Great Shefford Obs. at 3.27 LD inbound, G=17.0 reported
05452017 JP2 designation credited to CSS at 15.76 LD outbound, V=18.6 reported, elon. 138.6°
6 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23222017 JY1 enters 10-LD bubble91001634discovery MPEC issued for 2017 JX1
22022017 KJ32 enters 10-LD bubble81001631discovery MPEC issued for 2017 JQ1
1627discovery MPEC issued for 2017 JA2
1623discovery MPEC issued for 2017 JY1
1616discovery MPEC issued for 2017 JV1
10392017 JB2 designation credited to CSS at 1.73 LD outbound, V=19.3 reported, elon. 112.9°
08262017 HT49 last observed optically, by Steward Mt. Lemmon Sta. at 17.73 LD outbound, V=20.6 reported
5 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
22462017 JX1 enters 10-LD bubble710009022017 JM2 designation credited to MLS at 32.76 LD inbound, V=20.4 reported, elon. 129.6°
09462017 JB2 exits Earth-Moon system6100
02542017 JA exits 10-LD bubble6101
00532017 JV1 enters 10-LD bubble7101
00482017 HX4 enters 10-LD bubble6101
00012017 JQ1 exits Earth SOI5101
4 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
11332017 HG4 exits 10-LD bubble520111212017 JC6 last observed optically, by Tenagra II Obs. at 11.42 LD outbound, R=21.1 reported
11072017 JP2 exits 10-LD bubble620111002017 HX4 last observed optically, by Mt. John Obs. at 11.45 LD inbound, R=20.4 reported
09522017 JQ1 exits Earth-Moon system720110552017 KP27 closest Earth approach = 8.03 LD - Note: JPL reports an approach to 8.03 LD (7.79 minimum) with an uncertainty of +/- 11 minutes.
02092017 JQ1 more than one LD from Moon720205382017 JA2 designation credited to CSS at 18.09 LD inbound, V=19.52 calculated, elon. 148.4°
01032017 HU3 exits 10-LD bubble721204062017 JY1 designation credited to MLS at 13.17 LD inbound, V=19.3 reported, elon. 133.9°
03172017 JB2 closest Earth approach = 0.14 LD
03152017 JX1 designation credited to MLS at 13.07 LD inbound, V=20.3 reported, elon. 123.3°
01152017 JQ1 closest Earth approach = 0.44 LD
3 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
21572017 HA5 exits 10-LD bubble821223452017 JQ1 closest lunar approach = 0.96 LD
21222017 JQ1 within one LD of Moon92121007distant 2007 TU24 last observed optically, by Spacewatch 1.8m at 479.19 LD, R=23.0 reported
21102017 JB2 more than one LD from Moon92020925distant 2007 TU24 observed first, by Spacewatch 1.8m at 479.16 LD, V=23.04 calculated, elon. 162.4°
20022017 JC6 exits 10-LD bubble921207542017 JQ1 last observed optically, by Steward Mt. Lemmon Sta. at 1.86 LD inbound, V=18.5 reported
16382017 JQ1 enters Earth-Moon system1021207412017 JC6 designation credited to MLS at 8.88 LD outbound, V=20.5 reported, elon. 138.6°
02292017 JQ1 enters Earth SOI1021105412017 JV1 designation credited to MLS at 14.48 LD inbound, V=20.6 reported, elon. 146.6°
03262017 JP2 closest Earth approach = 9.10 LD
2 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23312017 JA exits Earth SOI1011121262017 JB2 closest lunar approach = 0.73 LD
20492017 JB2 enters Earth-Moon system102111200discovery MPEC issued for 2017 HU49
13532017 JA exits Earth-Moon system102101200discovery MPEC issued for 2017 HT49
08192017 JA more than one LD from Moon1021107232017 JA closest Earth approach = 0.26 LD
05492017 JA within one LD of Moon1022107052017 JA closest lunar approach = 0.98 LD
00532017 JA enters Earth-Moon system1021106372017 JQ1 designation credited to MLS at 4.44 LD inbound, V=19.6 reported, elon. 167.9°
00512017 HT49 exits 10-LD bubble102100356discovery MPEC issued for 2017 JA
03492017 HA5 last observed optically, by Tenagra II Obs. at 9.80 LD outbound, R=20.1 reported
0334discovery MPEC issued for 2017 HG49
0330discovery MPEC issued for 2017 HF49
00192017 JA last observed optically, by Schiaparelli Obs. at 1.08 LD inbound, V=17.18 calculated
1 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
21572017 JB2 within one LD of Moon1121017022017 HA5 closest Earth approach = 9.79 LD
19442017 JP2 enters 10-LD bubble1120011342017 HU3 last observed optically, by Tenagra II Obs. at 6.72 LD outbound, R=18.2 reported, elon. 70.7°
15152017 JA enters Earth SOI1020006592017 HL1 last observed optically, by Holmes/CTIO at 29.19 LD outbound, V=21.6 reported
09542017 HU2 exits 10-LD bubble1010006152017 HG49 last observed optically, by Spacewatch 1.8m at 31.33 LD outbound, V=22.77 calculated
06092017 JA designation credited to MLS at 3.75 LD inbound, V=19.63 calculated, elon. 165.8°
05322017 HF49 last observed optically, by Spacewatch 1.8m at 46.54 LD outbound, V=22.30 calculated
03182017 HU2 last observed optically, by Tenagra II Obs. at 9.77 LD outbound, R=20.9 reported, elon. 96.9°


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