<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)
29 May 2017
UTEvents
15432017 CS closest Earth approach = 7.93 LD
26 May 2017
UTBoundary Transitions<10<SIM<1E<1
16122017 CS enters 10-LD bubble2000
22 May 2017
UTEvents
06372017 KG3 last observed optically, by Steward Mt. Lemmon Sta. at 29.73 LD outbound, V=20.3 reported
04562017 CS last observed optically, by CSS at 17.14 LD inbound, V=16.2 reported, elon. 94.4°
21 May 2017
UTEvents
15322017 JY1 last observed optically, by Mt. John Obs. at 23.98 LD outbound, R=21.7 reported
09592017 HU49 last observed optically, by Mt. John Obs. at 6.73 LD outbound, R=19.7 reported
08332017 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
08342017 JP2 last observed optically, by Steward Mt. Lemmon Sta. at 55.98 LD outbound, V=21.4 reported
05222017 KZ2 last observed optically, by MLS at 35.33 LD outbound, V=20.4 reported
18 May 2017
UTBoundary Transitions<10<SIM<1E<1
21442017 JB2 exits 10-LD bubble1000
17 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
18222017 JM2 exits 10-LD bubble200008592017 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 bubble30001815discovery MPEC issued for 2017 JG3
07102017 JX1 exits 10-LD bubble400007102014 JO25 last observed optically, by Spacewatch 0.9m at 208.41 LD outbound, R=18.3 reported
04092017 KZ2 designation credited to MLS at 20.27 LD outbound, V=20.6 reported, elon. 128.5°
15 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
15452017 KG3 exits 10-LD bubble500006192017 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
01192017 KZ2 exits 10-LD bubble600000122017 KG3 closest Earth approach = 5.57 LD
12 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
17302017 JV1 exits 10-LD bubble700012302017 JA2 closest Earth approach = 2.57 LD
13192017 JM2 enters 10-LD bubble800006022017 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 bubble7000
11 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23192017 JY1 exits 10-LD bubble800021392017 HU49 closest Earth approach = 5.56 LD
23082017 HX4 exits 10-LD bubble900006302017 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 bubble100001145discovery MPEC issued for 2017 JP2
1142discovery MPEC issued for 2017 JM2
1046discovery MPEC issued for 2017 JB2
05572017 JG3 closest Earth approach = 7.64 LD
02432017 JB2 last observed optically, by Great Shefford Obs. at 4.22 LD outbound, G=21.1 reported
9 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
11382017 KZ2 enters 10-LD bubble900011222017 JY1 closest Earth approach = 8.88 LD
02262017 JV1 exits Earth SOI8000
8 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
15492017 JV1 enters Earth SOI810021082017 JV1 closest Earth approach = 2.34 LD
08492017 JG3 enters 10-LD bubble800011562017 HX4 closest Earth approach = 3.70 LD
01372017 JQ1 exits 10-LD bubble7000
00572017 JA2 enters 10-LD bubble8000
7 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
10162017 JB2 exits Earth SOI700023292017 JV1 last observed optically, by Great Shefford Obs. at 3.27 LD inbound, G=17.0 reported
05452017 JP2 designation credited to CSS at 15.77 LD outbound, V=18.6 reported, elon. 138.6°
6 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
23222017 JY1 enters 10-LD bubble71001634discovery MPEC issued for 2017 JX1
1631discovery 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 bubble610009022017 JM2 designation credited to MLS at 32.77 LD inbound, V=20.4 reported, elon. 129.6°
09452017 JB2 exits Earth-Moon system5100
02542017 JA exits 10-LD bubble5101
00532017 JV1 enters 10-LD bubble6101
00482017 HX4 enters 10-LD bubble5101
00012017 JQ1 exits Earth SOI4101
4 May 2017
UTBoundary Transitions<10<SIM<1E<1Events
11352017 HG4 exits 10-LD bubble420111002017 HX4 last observed optically, by Mt. John Obs. at 11.45 LD inbound, R=20.4 reported
11032017 JP2 exits 10-LD bubble520105382017 JA2 designation credited to CSS at 18.09 LD inbound, V=19.52 calculated, elon. 148.4°
09522017 JQ1 exits Earth-Moon system620104062017 JY1 designation credited to MLS at 13.17 LD inbound, V=19.3 reported, elon. 133.9°
02092017 JQ1 more than one LD from Moon620203172017 JB2 closest Earth approach = 0.14 LD
01032017 HU3 exits 10-LD bubble621203152017 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 bubble721223452017 JQ1 closest lunar approach = 0.96 LD
21222017 JQ1 within one LD of Moon82121007distant 2007 TU24 last observed optically, by Spacewatch 1.8m at 479.19 LD, R=23.0 reported
21102017 JB2 more than one LD from Moon82021000distant 357439 2004 BL86 last observed optically, by MLS at 387.61 LD, V=21.7 reported
16382017 JQ1 enters Earth-Moon system82120925distant 2007 TU24 observed first, by Spacewatch 1.8m at 479.16 LD, V=23.04 calculated, elon. 162.4°
02292017 JQ1 enters Earth SOI821108412017 HG4 last observed optically, by Spacewatch 1.8m at 9.10 LD outbound, V=21.92 calculated
07542017 JQ1 last observed optically, by Steward Mt. Lemmon Sta. at 1.86 LD inbound, V=18.5 reported
05412017 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 SOI811121262017 JB2 closest lunar approach = 0.73 LD
20492017 JB2 enters Earth-Moon system82111200discovery MPEC issued for 2017 HU49
13532017 JA exits Earth-Moon system82101200discovery MPEC issued for 2017 HT49
08192017 JA more than one LD from Moon821107232017 JA closest Earth approach = 0.26 LD
05492017 JA within one LD of Moon822107052017 JA closest lunar approach = 0.98 LD
00532017 JA enters Earth-Moon system821106372017 JQ1 designation credited to MLS at 4.44 LD inbound, V=19.6 reported, elon. 167.9°
00512017 HT49 exits 10-LD bubble82100356discovery 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
21582017 JB2 within one LD of Moon921017022017 HA5 closest Earth approach = 9.79 LD
19492017 JP2 enters 10-LD bubble920011342017 HU3 last observed optically, by Tenagra II Obs. at 6.72 LD outbound, R=18.2 reported, elon. 70.7°
15152017 JA enters Earth SOI820006592017 HL1 last observed optically, by Holmes/CTIO at 29.19 LD outbound, V=21.6 reported
09542017 HU2 exits 10-LD bubble810006152017 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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