MPEC 2015-W21 : 2015 WF
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M.P.E.C. 2015-W21 Issued 2015 Nov. 18, 14:18 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
2015 WF
Observations:
K15W00F* C2015 11 16.52047 05 16 45.116-04 26 10.57 21.3 wLEW021F51
K15W00F C2015 11 16.53220 05 16 51.471-04 25 51.17 21.2 wLEW021F51
K15W00F C2015 11 16.54396 05 16 57.785-04 25 31.98 21.2 wLEW021F51
K15W00F KC2015 11 17.29821 05 24 15.46 -04 05 40.5 oEW021291
K15W00F KC2015 11 17.29959 05 24 16.19 -04 05 37.8 oEW021291
K15W00F KC2015 11 17.30097 05 24 16.84 -04 05 35.4 oEW021291
K15W00F _C2015 11 17.57668105 26 35.207-03 57 59.88 20.7 RtEW021568
K15W00F _C2015 11 17.57774405 26 35.710-03 57 58.24 20.7 RtEW021568
K15W00F _C2015 11 17.57881805 26 36.212-03 57 56.53 20.7 RtEW021568
K15W00F KC2015 11 18.34594 05 33 03.66 -03 39 20.1 20.7 RoEW021291
K15W00F KC2015 11 18.34747 05 33 04.31 -03 39 17.5 20.7 RoEW021291
K15W00F KC2015 11 18.34898 05 33 04.94 -03 39 15.7 20.6 RoEW021291
Observer details:
291 LPL/Spacewatch II. Observers R. A. Mastaler, M. T. Read. 1.8-m f/2.7
reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, C. Wipper. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
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.
Orbital elements:
2015 WF Earth MOID = 0.0246 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 20.71049 (2000.0) P Q
n 0.28968414 Peri. 184.09687 +0.78612416 -0.61686718
a 2.2621405 Node 214.08713 +0.56900209 +0.74664424
e 0.5498541 Incl. 3.94090 +0.24134089 +0.24899248
P 3.40 H 25.8 G 0.15 U 5
Residuals in seconds of arc
151116 F51 0.2- 0.3+ 151117 291 0.3+ 0.1- 151117 568 0.0 0.4+
151116 F51 0.2+ 0.1+ 151117 291 0.2- 0.2+ 151118 291 0.2- 0.2-
151116 F51 0.3- 0.5- 151117 568 0.0 0.4+ 151118 291 0.1- 0.2+
151117 291 0.4- 0.6- 151117 568 0.0 0.3+ 151118 291 0.2- 0.2-
Ephemeris:
2015 WF a,e,i = 2.26, 0.55, 4 q = 1.0183
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 10 19 21 19 50.5 -03 38 02 0.08208 1.0343 115.6 60.3 22.6
...
2015 11 03 00 10 57.7 -09 01 17 0.03467 1.0182 138.0 40.7 20.1
...
2015 11 11 03 53 24.5 -07 28 14 0.03782 1.0239 152.3 26.7 19.9
...
2015 11 17 05 21 25.7 -04 12 03 0.05605 1.0345 143.6 34.5 21.0
2015 11 18 05 30 14.2 -03 46 24 0.05965 1.0368 142.8 35.2 21.2
2015 11 19 05 37 57.5 -03 22 34 0.06335 1.0393 142.3 35.6 21.4
...
2015 11 25 06 08 38.8 -01 27 35 0.08698 1.0568 141.6 35.4 22.1
...
2015 12 03 06 27 05.7 +00 27 21 0.1210 1.0874 145.2 31.2 22.7
...
2015 12 18 06 35 47.3 +03 40 13 0.1930 1.1633 156.2 20.0 23.6
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-W21
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