MPEC 2018-B116: 2018 AN18
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M.P.E.C. 2018-B116 Issued 2018 Jan. 25, 18:50 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 AN18
Observations:
K18A18N* C2018 01 11.55984 08 59 08.776+31 20 20.18 22.5 wUEB116F51
K18A18N C2018 01 11.57148 08 59 07.835+31 20 35.55 22.2 wUEB116F51
K18A18N C2018 01 11.58313 08 59 06.898+31 20 50.70 22.5 wUEB116F51
K18A18N C2018 01 11.59477 08 59 05.950+31 21 05.95 22.0 wUEB116F51
K18A18N C2018 01 13.40341 08 56 43.457+32 00 32.81 22.4 wUEB116F51
K18A18N C2018 01 13.41511 08 56 42.487+32 00 48.00 22.2 wUEB116F51
K18A18N C2018 01 13.42688 08 56 41.501+32 01 03.21 22.5 wUEB116F51
K18A18N C2018 01 13.43872 08 56 40.507+32 01 18.81 22.1 wUEB116F51
K18A18N _C2018 01 14.45531608 55 17.961+32 23 02.64 21.8 GUEB116568
K18A18N _C2018 01 14.45649508 55 17.856+32 23 04.16 21.8 GUEB116568
K18A18N _C2018 01 14.45767108 55 17.756+32 23 05.68 21.8 GUEB116568
K18A18N C2018 01 18.52080 08 49 36.445+33 46 19.88 22.7 wUEB116F51
K18A18N C2018 01 23.40864 08 42 31.70 +35 17 30.9 22.3 GUEB116V06
K18A18N C2018 01 23.41856 08 42 30.79 +35 17 41.2 22.0 GUEB116V06
K18A18N C2018 01 23.42367 08 42 30.34 +35 17 46.8 22.0 GUEB116V06
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
V06 Catalina Sky Survey-Kuiper. Observer D. C. Fuls. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman,
F. C. Shelly. 1.55-m reflector + CCD.
Orbital elements:
2018 AN18 Earth MOID = 0.5606 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 10.70334 (2000.0) P Q
n 0.23969854 Peri. 276.46126 +0.80848081 -0.37204711
a 2.5666055 Node 106.18290 +0.51044027 +0.82895342
e 0.5005134 Incl. 28.34749 -0.29293261 +0.41763282
P 4.11 H 19.6 G 0.15 U 6
Residuals in seconds of arc
180111 F51 0.0 0.1+ 180113 F51 0.0 0.1- 180114 568 0.0 0.1-
180111 F51 0.0 0.2+ 180113 F51 0.1- 0.2- 180118 F51 0.1+ 0.3+
180111 F51 0.1+ 0.0 180113 F51 0.1- 0.0 180123 V06 0.0 0.2-
180111 F51 0.0 0.0 180114 568 0.0 0.2- 180123 V06 0.2- 0.3-
180113 F51 0.1- 0.0 180114 568 0.0 0.1- 180123 V06 0.0 0.0
Ephemeris:
2018 AN18 a,e,i = 2.57, 0.50, 28 q = 1.2820
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 26 09 15 54.7 +24 56 05 1.1385 1.9922 139.6 18.7 22.3
...
2018 01 10 09 01 08.3 +30 45 33 1.1450 2.0846 156.7 10.8 22.2
...
2018 01 18 08 50 21.2 +33 35 58 1.1740 2.1335 162.7 7.9 22.2
...
2018 01 24 08 41 40.3 +35 27 49 1.2083 2.1699 163.4 7.4 22.2
2018 01 25 08 40 12.9 +35 44 51 1.2150 2.1760 163.1 7.5 22.3
2018 01 26 08 38 45.7 +36 01 25 1.2221 2.1820 162.8 7.7 22.3
...
2018 02 01 08 30 14.3 +37 30 26 1.2703 2.2180 158.9 9.2 22.5
...
2018 02 09 08 19 56.4 +39 01 14 1.3497 2.2657 151.4 12.0 22.8
...
2018 02 24 08 06 20.8 +40 34 44 1.5385 2.3534 136.1 17.0 23.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B116
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