MPEC 2018-A06 : 2017 YA8
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M.P.E.C. 2018-A06 Issued 2018 Jan. 2, 19:32 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 YA8
Observations:
K17Y08A* C2017 12 24.37673 05 37 37.761-29 52 21.64 21.8 wUEA006F51
K17Y08A C2017 12 24.38772 05 37 36.404-29 52 35.92 21.4 wUEA006F51
K17Y08A C2017 12 24.39870 05 37 35.051-29 52 50.36 21.3 wUEA006F51
K17Y08A _C2017 12 26.31639805 34 03.557-30 32 52.27 20.8 GUEA006568
K17Y08A _C2017 12 26.31734105 34 03.436-30 32 53.42 20.8 GUEA006568
K17Y08A |C2017 12 31.09995 05 24 31.12 -32 00 12.9 20.6 GUEA006807
K17Y08A |C2017 12 31.10489 05 24 30.42 -32 00 17.9 20.9 GUEA006807
K17Y08A |C2017 12 31.10961 05 24 29.76 -32 00 22.7 20.8 GUEA006807
K17Y08A |C2018 01 01.04946 05 22 31.74 -32 15 26.9 21.2 GUEA006807
K17Y08A |C2018 01 01.05590 05 22 30.83 -32 15 33.6 21.0 GUEA006807
K17Y08A |C2018 01 01.06233 05 22 29.92 -32 15 40.2 21.1 GUEA006807
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, R. Weryk, L. Wells. Measurers
M. Micheli, R. Weryk. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ 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 YA8 Earth MOID = 0.0494 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 233.18343 (2000.0) P Q
n 0.66690048 Peri. 17.50654 -0.99366252 -0.08308726
a 1.2974641 Node 157.31585 +0.06426197 -0.97249977
e 0.2875802 Incl. 11.32100 +0.09222364 -0.21757920
P 1.48 H 22.2 G 0.15 U 7
Residuals in seconds of arc
171224 F51 0.0 0.1- 171226 568 0.1+ 0.0 180101 807 0.1+ 0.2+
171224 F51 0.0 0.1+ 171231 807 0.1- 0.0 180101 807 0.1+ 0.1-
171224 F51 0.0 0.0 171231 807 0.2- 0.1+ 180101 807 0.1+ 0.2-
171226 568 0.1+ 0.0 171231 807 0.1- 0.0
Ephemeris:
2017 YA8 a,e,i = 1.30, 0.29, 11 q = 0.9243
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 03 06 03 32.7 -20 09 46 0.3536 1.2530 132.8 35.3 21.9
...
2017 12 18 05 48 05.5 -27 20 33 0.2852 1.1853 129.3 40.0 21.4
...
2017 12 26 05 34 38.1 -30 26 02 0.2545 1.1491 125.2 44.4 21.2
...
2018 01 01 05 22 36.7 -32 14 41 0.2330 1.1223 121.3 48.4 21.1
2018 01 02 05 20 28.1 -32 30 01 0.2296 1.1179 120.6 49.2 21.1
2018 01 03 05 18 17.3 -32 44 32 0.2261 1.1135 119.9 49.9 21.1
...
2018 01 09 05 04 25.9 -33 53 54 0.2056 1.0874 115.3 54.8 20.9
...
2018 01 17 04 43 58.2 -34 37 15 0.1785 1.0540 108.5 62.3 20.8
...
2018 02 01 03 55 12.7 -33 21 44 0.1258 0.9979 92.1 80.6 20.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A06
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