<10=less than 10 LD from Earth

EBN Timeline for December 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)
30 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
19392017 WZ14 exits 10-LD bubble0000
24 Dec. 2017
UTEvents
21152017 WZ14 closest Earth approach = 7.61 LD
23 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
04582006 XY exits 10-LD bubble1000
21 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
00482017 VT14 exits 10-LD bubble2000
18 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
22532017 WZ14 enters 10-LD bubble3000
04362017 XK1 exits 10-LD bubble2000
17 Dec. 2017
UTEvents
01542017 VT14 closest Earth approach = 3.83 LD
15 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
17212015 XX169 exits 10-LD bubble300007542017 XK1 closest Earth approach = 6.15 LD
14 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
12542017 XE exits 10-LD bubble400012492006 XY closest Earth approach = 3.35 LD - Note: JPL reports an approach to 3.35 LD .
00062015 XX169 closest Earth approach = 9.71 LD
13 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
20262017 WV12 exits 10-LD bubble5000
03032017 VT14 enters 10-LD bubble6000
12 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
11072017 XK1 enters 10-LD bubble5000
07052015 XX169 enters 10-LD bubble4000
11 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
10212008 WM61 exits 10-LD bubble30001303discovery MPEC issued for 2017 XK1
00252017 XS exits 10-LD bubble400004082017 XS last observed optically, by PJMSO at 10.25 LD outbound, R=15.7 reported
02262017 XK1 last observed optically, by ARO Westfield at 13.16 LD inbound, V=19.7 reported
0201discovery MPEC issued for 2017 XE1
01302017 WE28 last observed optically, by Micheli/Paranal at 36.15 LD outbound, G=23.2 reported
10 Dec. 2017
UTEvents
07352017 VC last observed optically, by ARO Westfield at 50.97 LD outbound, V=20.5 reported
06332017 WB last observed optically, by ARO Westfield at 51.29 LD outbound, V=22.3 reported
04412017 XE1 last observed optically, by Spacewatch 1.8m at 27.21 LD outbound, R=20.9 reported
02552017 VD last observed optically, by ARO Westfield at 255.14 LD outbound, V=22.2 reported
9 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
05512017 WF16 exits 10-LD bubble500021412017 WV12 closest Earth approach = 3.43 LD
1902discovery MPEC issued for 2017 XS
09412017 WJ13 last observed optically, by Spacewatch 1.8m at 66.24 LD outbound, R=19.8 reported
05452017 XK1 designation credited to MLS at 17.86 LD inbound, G=20.1 reported, elon. 136.0°
8 Dec. 2017
UTEvents
2000discovery MPEC issued for 2017 XE
19262017 XE last observed optically, by QOS Obs. at 4.13 LD outbound, V=18.8 reported
13432017 VR12 last observed optically, by PS1 at 130.26 LD inbound, i=19.8 reported
13182017 WZ14 last observed optically, by Spacewatch 1.8m at 19.71 LD inbound, R=19.9 reported
07292017 VJ last observed optically, by Spacewatch/KPNO at 113.13 LD outbound, V=23.48 calculated
06572017 XE1 designation credited to PS1 at 18.89 LD outbound, w=20.7 reported, elon. 154.5°
05142006 XY last observed optically, by CSS at 7.65 LD inbound, V=17.79 calculated
04442015 XX169 last observed optically, by Steward Mt. Lemmon Sta. at 12.73 LD inbound, G=20.8 reported
04362015 XX169 observed first, by Steward Mt. Lemmon Sta. at 12.73 LD inbound, G=20.3 reported, elon. 155.7°
04282017 XS closest Earth approach = 7.39 LD
04112017 WV12 last observed optically, by Tenagra II Obs. at 5.36 LD inbound, R=16.8 reported
7 Dec. 2017
UTEvents
23202017 XE closest Earth approach = 3.97 LD
1804496817 1989 VB last observed optically, by Xuyi Sta. at 104.67 LD outbound, R=17.8 reported
13282017 XS designation credited to ATLAS Mauna Loa at 7.53 LD inbound, o=15.6 reported, elon. 132.1°
08242017 XK1 observed first, by PS1 at 22.83 LD inbound, i=20.4 reported, elon. 140.8°
05432017 WJ16 last observed optically, by Spacewatch 1.8m at 27.89 LD outbound, R=21.0 reported, elon. 98.0°
05292017 WT28 last observed optically, by Spacewatch/KPNO at 11.82 LD outbound, V=22.39 calculated
04272017 VG1 last observed optically, by Holmes/CTIO at 56.34 LD outbound, G=21.2 reported
04002017 XE designation credited to MLS at 4.12 LD inbound, G=17.6 reported, elon. 132.6°
02292017 VT14 last observed optically, by Spacewatch 0.9m at 23.54 LD inbound, V=19.76 calculated, elon. 84.6°
6 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
20252017 WS13 exits 10-LD bubble6000
5 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
23042017 WV12 enters 10-LD bubble700013362017 WS13 closest Earth approach = 9.45 LD - Note: JPL reports an approach to 9.45 LD (9.35 minimum) .
22102017 XE1 exits 10-LD bubble60000420discovery MPEC issued for 2017 WT28
20482006 XY enters 10-LD bubble7000
09092017 WT28 exits 10-LD bubble6000
08102017 XS enters 10-LD bubble7000
4 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
06402017 WS13 enters 10-LD bubble600013462017 XE1 closest Earth approach = 7.81 LD
3 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
05222017 XE1 enters 10-LD bubble5000
2 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1Events
12032017 WH2 exits 10-LD bubble400011522008 WM61 closest Earth approach = 3.67 LD
1 Dec. 2017
UTBoundary Transitions<10<SIM<1E<1
21132017 WD28 exits 10-LD bubble5000
13492017 WK1 exits 10-LD bubble6000
08232017 XE enters 10-LD bubble7000


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