MPEC 2018-W73 : 2014 WZ200
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M.P.E.C. 2018-W73 Issued 2018 Nov. 29, 12:52 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
2014 WZ200
Revision to MPEC 2014-W87
Additional Observations:
K14WK0Z KC2018 11 05.58824604 07 47.383-03 03 21.39 22.1 GVEW073F52
K14WK0Z C2018 11 14.44234304 14 20.265+03 44 45.76 21.7 GVEW073F52
K14WK0Z C2018 11 14.45545004 14 20.643+03 45 30.41 22.0 GVEW073F52
K14WK0Z C2018 11 14.46859504 14 20.998+03 46 14.87 21.3 GVEW073F52
K14WK0Z C2018 11 14.48172104 14 21.359+03 46 59.11 21.3 GVEW073F52
K14WK0Z C2018 11 29.28499 04 24 59.45 +21 49 36.7 20.4 GVEW073G96
K14WK0Z C2018 11 29.29006 04 24 59.59 +21 50 03.0 20.4 GVEW073G96
K14WK0Z C2018 11 29.29514 04 24 59.75 +21 50 29.5 VEW073G96
K14WK0Z C2018 11 29.30021 04 24 59.92 +21 50 55.4 20.2 GVEW073G96
Observer details:
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. 1.8-m Ritchey-Chretien
+ CCD.
G96 Mt. Lemmon Survey. Observer B. M. Africano. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
181105 F52 3.64+ 1.77+ 181129 G96 5.30+ 2.46+ MPO342303 -1.1 day
Orbital elements:
2014 WZ200 Earth MOID = 0.1975 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 33.61813 (2000.0) P Q
n 0.24595017 Peri. 11.53358 +0.20736217 -0.95082707
a 2.5229267 Node 66.84091 +0.87646419 +0.07611353
e 0.5327364 Incl. 14.49093 +0.43452440 +0.30022428
P 4.01 H 23.5 G 0.15 U 1
Residuals in seconds of arc
141121 F51 0.1- 0.2- 141122 568 0.2+ 0.1- 181105 F52 0.0 0.0
141121 F51 (2.7- 0.4+) 141124 291 0.1- 0.2+ 181114 F52 0.1- 0.4-
141121 F51 0.2+ 0.0 141124 291 0.3+ 0.3+ 181114 F52 0.1+ 0.1-
141121 F51 0.1- 0.1+ 141124 291 0.3- 0.0 181114 F52 0.0 0.0
141122 291 0.0 0.4+ 141128 705 0.0 0.6- 181114 F52 0.0 0.2-
141122 291 0.2- 0.2+ 141128 705 0.0 0.7- 181129 G96 0.3+ 0.0
141122 291 0.1- 0.2- 141128 705 0.1+ 0.8- 181129 G96 0.0 0.1-
141122 568 0.1+ 0.2- 141223 675 0.0 0.1+ 181129 G96 0.0 0.0
141122 568 0.1+ 0.1- 141223 675 0.0 0.1+ 181129 G96 0.2+ 0.4-
Ephemeris:
2014 WZ200 a,e,i = 2.52, 0.53, 14 q = 1.1789
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 10 30 04 02 14.8 -06 24 55 0.3210 1.2740 146.8 25.2 22.7
...
2018 11 14 04 14 01.4 +03 20 15 0.2430 1.2200 159.4 16.6 21.7
...
2018 11 22 04 19 34.5 +11 59 04 0.2152 1.1997 169.1 9.0 21.2
...
2018 11 28 04 23 58.6 +19 59 28 0.2024 1.1889 177.4 2.2 20.7
2018 11 29 04 24 45.5 +21 25 04 0.2010 1.1874 178.5 1.2 20.6
2018 11 30 04 25 33.6 +22 51 45 0.1999 1.1861 178.5 1.2 20.5
...
2018 12 06 04 30 55.7 +31 40 57 0.1976 1.1805 169.9 8.4 20.9
...
2018 12 14 04 40 28.6 +42 42 49 0.2068 1.1793 158.5 17.8 21.4
...
2018 12 29 05 10 16.7 +57 00 37 0.2538 1.1964 143.3 29.5 22.2
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W73
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