MPEC 2017-W66 : 2017 WA1
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M.P.E.C. 2017-W66 Issued 2017 Nov. 19, 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
2017 WA1
Observations:
K17W01A* C2017 11 17.50722 03 09 48.564+19 13 53.41 22.2 wLEW066F51
K17W01A C2017 11 17.51927 03 09 51.080+19 13 17.16 21.7 wLEW066F51
K17W01A C2017 11 17.53138 03 09 53.680+19 12 40.34 21.7 wLEW066F51
K17W01A C2017 11 18.23397 03 12 34.95 +18 37 49.9 21.8 RoEW066926
K17W01A C2017 11 18.24291 03 12 36.81 +18 37 23.5 21.5 RoEW066926
K17W01A C2017 11 18.25183 03 12 38.64 +18 36 57.6 21.6 RoEW066926
K17W01A _C2017 11 18.34989603 13 01.273+18 32 14.28 20.8 GUEW066568
K17W01A _C2017 11 18.35273203 13 01.851+18 32 06.03 21.3 GUEW066568
K17W01A _C2017 11 18.35461703 13 02.236+18 32 00.49 21.2 GUEW066568
K17W01A KC2017 11 19.24387 03 16 21.11 +17 47 40.9 21.5 RoEW066291
K17W01A KC2017 11 19.25047 03 16 22.49 +17 47 21.5 20.9 RoEW066291
K17W01A KC2017 11 19.25710 03 16 23.85 +17 47 01.3 21.8 RoEW066291
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + 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.
Orbital elements:
2017 WA1 Earth MOID = 0.1882 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 342.26828 (2000.0) P Q
n 0.22961978 Peri. 181.26051 +0.54599269 -0.82574612
a 2.6411710 Node 235.66535 +0.77014940 +0.56120246
e 0.5547671 Incl. 9.87003 +0.32979067 +0.05652558
P 4.29 H 24.5 G 0.15 U 8
Residuals in seconds of arc
171117 F51 0.0 0.0 171118 926 0.1- 0.2- 171118 568 0.2+ 0.1+
171117 F51 0.3- 0.1+ 171118 926 0.4- 0.3+ 171119 291 0.1- 0.0
171117 F51 0.3+ 0.1- 171118 568 0.4+ 0.0 171119 291 0.1+ 0.2+
171118 926 0.1- 0.2- 171118 568 0.3+ 0.1+ 171119 291 0.0 0.3-
Ephemeris:
2017 WA1 a,e,i = 2.64, 0.55, 10 q = 1.1759
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 10 20 01 33 33.4 +34 29 15 0.2538 1.2317 155.7 19.4 23.0
...
2017 11 04 02 19 18.7 +28 57 03 0.2048 1.1914 165.8 11.8 22.2
...
2017 11 12 02 48 56.7 +23 36 29 0.1914 1.1799 172.5 6.3 21.8
...
2017 11 18 03 11 41.3 +18 49 38 0.1883 1.1762 174.9 4.2 21.6
2017 11 19 03 15 25.7 +18 00 02 0.1883 1.1760 174.7 4.5 21.6
2017 11 20 03 19 08.6 +17 10 18 0.1886 1.1759 174.2 4.9 21.6
...
2017 11 26 03 40 38.3 +12 17 30 0.1937 1.1779 169.4 8.9 21.9
...
2017 12 04 04 06 24.8 +06 36 08 0.2097 1.1871 162.3 14.6 22.3
...
2017 12 19 04 44 31.8 +00 00 51 0.2639 1.2235 152.1 22.1 23.1
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-W66
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