MPEC 2016-D50 : 2014 WD201
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M.P.E.C. 2016-D50 Issued 2016 Feb. 27, 15:33 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 WD201
Revision to MPEC 2014-W91
Additional Observations:
K14WK1D 2C2016 02 02.48318409 22 57.475+21 47 01.89 23.6 RtED050568
K14WK1D 2C2016 02 02.49407609 22 56.728+21 47 06.36 23.5 RtED050568
K14WK1D 2C2016 02 04.48077109 20 41.909+22 00 40.07 23.6 RtED050568
K14WK1D 2C2016 02 04.48959309 20 41.290+22 00 43.46 23.6 RtED050568
Observer details:
568 Mauna Kea. Observer Y. Ramanjooloo. Measurer D. J. Tholen. 2.24-m
University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
160202 568 5.3- 1.1+ 160204 568 5.1- 1.0+ MPO346324 +0.015 day
Orbital elements:
2014 WD201 PHA, Earth MOID = 0.0382 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 199.08597 (2000.0) P Q
n 0.32475744 Peri. 199.74554 +0.57744830 +0.80402108
a 2.0961868 Node 105.77512 -0.72786388 +0.58565281
e 0.5026257 Incl. 8.47259 -0.36982108 +0.10276614
P 3.03 H 19.4 G 0.15 U 2
Residuals in seconds of arc
141121 F51 0.3- 0.1+ 141124 291 0.5- 0.1- 141212 705 0.1+ 0.1-
141121 F51 0.2+ 0.0 141125 568 0.1+ 0.0 141212 705 0.1- 0.0
141121 F51 0.1+ 0.0 141125 568 0.1+ 0.0 141218 568 0.0 0.1+
141122 291 0.1- 0.0 141128 H21 0.2+ 0.8- 141218 568 0.0 0.0
141122 291 0.5- 0.4- 141128 H21 0.3+ 0.3- 150117 568 0.1- 0.1-
141122 291 0.1- 0.0 141201 291 0.3+ 0.1+ 150219 568 0.1+ 0.0
141123 F51 0.1- 0.1- 141201 291 0.6- 0.2+ 150219 568 0.1- 0.1+
141123 F51 0.0 0.0 141201 291 0.1- 0.2+ 150219 568 0.1+ 0.1-
141123 F51 0.2- 0.1- 141202 291 0.7- 0.8+ 160202 568 0.1- 0.0
141123 F51 0.3- 0.3+ 141202 291 0.1- 0.0 160202 568 0.0 0.0
141124 291 0.0 0.2- 141202 291 0.2- 0.2+ 160204 568 0.1+ 0.1+
141124 291 0.0 0.7- 141212 705 0.3+ 0.2- 160204 568 0.0 0.1-
Ephemeris:
2014 WD201 a,e,i = 2.10, 0.50, 8 q = 1.0426
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 01 28 09 28 59.1 +21 08 40 2.1393 3.1089 167.9 3.8 23.9
...
2016 02 12 09 12 04.8 +22 49 14 2.1157 3.0905 169.1 3.5 23.8
...
2016 02 20 09 03 07.4 +23 34 14 2.1326 3.0793 159.8 6.4 24.0
...
2016 02 26 08 56 52.2 +24 02 22 2.1578 3.0703 152.5 8.5 24.1
2016 02 27 08 55 53.0 +24 06 33 2.1629 3.0687 151.3 8.9 24.1
2016 02 28 08 54 54.8 +24 10 36 2.1684 3.0672 150.1 9.3 24.1
...
2016 03 05 08 49 30.9 +24 31 40 2.2065 3.0574 143.0 11.3 24.2
...
2016 03 13 08 43 36.5 +24 51 27 2.2703 3.0435 133.7 13.6 24.4
...
2016 03 28 08 37 06.8 +25 05 04 2.4206 3.0147 117.5 17.1 24.6
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-D50
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