MPEC 2018-B25 : 2018 AK12
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M.P.E.C. 2018-B25 Issued 2018 Jan. 17, 23:30 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 AK12
Observations:
K18A12K* C2018 01 14.55324 09 11 55.704+19 24 03.70 21.9 wUEB025F51
K18A12K C2018 01 14.56558 09 11 58.535+19 23 48.00 21.7 wUEB025F51
K18A12K C2018 01 14.57790 09 12 01.367+19 23 32.26 21.9 wUEB025F51
K18A12K _C2018 01 15.52955309 16 38.007+19 01 32.78 21.1 GUEB025568
K18A12K _C2018 01 15.53049509 16 38.278+19 01 31.26 21.4 GUEB025568
K18A12K _C2018 01 15.53144009 16 38.554+19 01 29.73 21.1 GUEB025568
K18A12K C2018 01 17.40507 09 29 36.34 +17 55 26.4 20.1 GUEB025I52
K18A12K C2018 01 17.40756 09 29 37.51 +17 55 19.2 20.6 GUEB025I52
K18A12K C2018 01 17.40880 09 29 38.16 +17 55 15.8 20.3 GUEB025I52
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.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
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. 1.0-m reflector + CCD.
Orbital elements:
2018 AK12 Earth MOID = 0.0004 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 290.14509 (2000.0) P Q
n 0.37295032 Peri. 272.76537 -0.80633543 +0.59032003
a 1.9114755 Node 303.41712 -0.52369616 -0.74140415
e 0.7068707 Incl. 2.51868 -0.27489181 -0.31912717
P 2.64 H 25.3 G 0.15 U 8
Residuals in seconds of arc
180114 F51 0.0 0.1- 180115 568 0.0 0.0 180117 I52 0.4+ 0.0
180114 F51 0.1+ 0.0 180115 568 0.0 0.0 180117 I52 0.5- 0.1-
180114 F51 0.0 0.2+ 180115 568 0.1+ 0.0 180117 I52 0.1+ 0.1+
Ephemeris:
2018 AK12 a,e,i = 1.91, 0.71, 3 q = 0.5603
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 18 08 32 35.1 +21 50 08 0.5055 1.4127 140.9 26.1 25.8
...
2018 01 02 08 46 48.2 +21 08 31 0.2828 1.2414 152.7 21.3 24.1
...
2018 01 10 08 58 29.0 +20 24 16 0.1734 1.1460 158.0 18.8 22.8
...
2018 01 16 09 19 19.2 +18 48 28 0.09490 1.0728 158.9 19.3 21.3
2018 01 17 09 26 12.9 +18 13 38 0.08216 1.0605 158.2 20.1 21.0
2018 01 18 09 35 28.1 +17 24 51 0.06955 1.0482 156.9 21.6 20.7
...
2018 01 24 16 10 40.8 -23 45 49 0.02055 0.9738 58.6 120.4 21.7
...
2018 02 01 19 58 34.1 -24 08 18 0.1154 0.8746 15.3 162.7 32.3
...
2018 02 16 20 28 36.4 -22 10 15 0.3272 0.6989 23.1 146.3 29.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B25
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