MPEC 2018-V83 : 2018 VB4
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M.P.E.C. 2018-V83 Issued 2018 Nov. 10, 00:55 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 VB4
Observations:
K18V04B C2018 11 02.58850605 47 22.648+02 02 05.74 22.7 wVEV083F52
K18V04B C2018 11 02.60130305 47 22.283+02 01 39.93 22.7 wUEV083F52
K18V04B C2018 11 02.61414205 47 21.945+02 01 13.98 22.4 wUEV083F52
K18V04B C2018 11 02.62692105 47 21.597+02 00 47.69 22.8 wVEV083F52
K18V04B* C2018 11 06.52746 05 45 24.637-00 19 04.79 21.5 wUEV083F52
K18V04B C2018 11 06.54029 05 45 24.044-00 19 34.15 21.1 wUEV083F52
K18V04B C2018 11 06.55308 05 45 23.426-00 20 03.59 21.3 wUEV083F52
K18V04B KC2018 11 07.41673 05 44 47.08 -00 53 30.0 oEV083691
K18V04B KC2018 11 07.43039 05 44 46.43 -00 54 02.0 oEV083691
K18V04B KC2018 11 07.44404 05 44 45.73 -00 54 34.0 oEV083691
K18V04B KC2018 11 08.45273 05 43 57.82 -01 34 44.3 oEV083711
K18V04B KC2018 11 08.45583 05 43 57.64 -01 34 52.6 oEV083711
K18V04B KC2018 11 08.45911 05 43 57.46 -01 34 59.9 oEV083711
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. T. Read. 0.9-m
f/3 reflector + CCD.
711 McDonald Observatory, Fort Davis. Observer J. G. Ries. 2.1-m reflector
+ CCD + focal reducer.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes,
T. Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel,
M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
H. Flewelling, E. Magnier, C. Waters. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2018 VB4 Earth MOID = 0.1468 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 63.91532 (2000.0) P Q
n 0.98230860 Peri. 13.48575 -0.85338398 +0.51625643
a 1.0022377 Node 198.14945 -0.49719402 -0.84772640
e 0.5953558 Incl. 13.40507 -0.15663296 -0.12181644
P 1.00 H 21.2 G 0.15 U 8
Residuals in seconds of arc
181102 F52 0.2+ 0.0 181106 F52 0.2+ 0.1+ 181108 711 0.2+ 0.5+
181102 F52 0.1- 0.1+ 181106 F52 0.2- 0.1- 181108 711 0.1+ 0.3-
181102 F52 0.0 0.1+ 181107 691 0.6- 0.4- 181108 711 0.2+ 0.4+
181102 F52 0.1- 0.3- 181107 691 0.1+ 0.3-
181106 F52 0.1+ 0.1+ 181107 691 0.0 0.1-
Ephemeris:
2018 VB4 a,e,i = 1.00, 0.60, 13 q = 0.4055
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 10 11 05 40 51.1 +11 12 19 0.8236 1.5107 111.7 37.9 23.2
...
2018 10 26 05 48 05.3 +05 49 50 0.6396 1.4489 123.5 34.9 22.5
...
2018 11 03 05 47 13.9 +01 48 16 0.5488 1.4089 130.0 32.7 22.0
...
2018 11 09 05 43 30.0 -01 56 54 0.4857 1.3754 134.5 30.9 21.7
2018 11 10 05 42 33.9 -02 38 42 0.4757 1.3696 135.2 30.6 21.6
2018 11 11 05 41 31.9 -03 21 51 0.4659 1.3636 135.8 30.4 21.5
...
2018 11 17 05 33 01.2 -08 10 23 0.4106 1.3262 139.0 29.3 21.2
...
2018 11 25 05 14 03.2 -16 00 40 0.3483 1.2715 139.2 30.5 20.7
...
2018 12 10 04 03 26.6 -33 55 48 0.2768 1.1531 121.3 46.9 20.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-V83
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