MPEC 2017-Y08 : 2017 XG61
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M.P.E.C. 2017-Y08 Issued 2017 Dec. 17, 17:29 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 XG61
Observations:
K17X61G* C2017 12 11.45320 06 46 34.614-44 48 24.48 20.9 wUEY008F51
K17X61G C2017 12 11.46100 06 46 33.880-44 48 59.59 20.8 wUEY008F51
K17X61G C2017 12 11.46874 06 46 33.151-44 49 34.36 21.0 wUEY008F51
K17X61G |C2017 12 12.27107 06 45 21.12 -45 49 08.8 21.0 VuEY008807
K17X61G |C2017 12 12.27557 06 45 20.66 -45 49 28.9 21.2 VuEY008807
K17X61G |C2017 12 12.28018 06 45 20.20 -45 49 49.4 21.4 VuEY008807
K17X61G _C2017 12 12.48218506 45 01.531-46 05 02.47 21.1 GUEY008568
K17X61G _C2017 12 12.48313006 45 01.433-46 05 06.76 21.1 GUEY008568
K17X61G _C2017 12 12.48407206 45 01.324-46 05 10.91 21.1 GUEY008568
K17X61G _C2017 12 12.48501506 45 01.246-46 05 15.02 21.1 GUEY008568
K17X61G _C2017 12 12.48595906 45 01.140-46 05 19.35 21.3 GUEY008568
K17X61G _C2017 12 12.48690306 45 01.049-46 05 23.61 21.1 GUEY008568
K17X61G |C2017 12 14.12804 06 42 15.99 -48 08 34.1 21.7 GUEY008807
K17X61G |C2017 12 14.13315 06 42 15.38 -48 08 57.3 21.5 GUEY008807
K17X61G |C2017 12 14.13825 06 42 14.83 -48 09 21.0 21.6 GUEY008807
K17X61G |C2017 12 16.14985 06 38 18.02 -50 42 00.7 21.4 GUEY008807
K17X61G |C2017 12 16.15203 06 38 17.73 -50 42 10.6 21.4 GUEY008807
K17X61G |C2017 12 16.15409 06 38 17.46 -50 42 19.6 21.6 GUEY008807
K17X61G |C2017 12 17.17914 06 36 00.73 -52 00 33.3 21.0 VuEY008807
K17X61G |C2017 12 17.18366 06 36 00.06 -52 00 54.2 21.0 VuEY008807
K17X61G |C2017 12 17.18832 06 35 59.38 -52 01 15.5 21.0 VuEY008807
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, C. Wipper. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 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 XG61 Earth MOID = 0.4772 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 314.32268 (2000.0) P Q
n 0.26259754 Peri. 341.77726 -0.78657772 +0.33086983
a 2.4151398 Node 229.93454 -0.44701361 -0.88759923
e 0.7876400 Incl. 42.94110 -0.42599803 +0.32045711
P 3.75 H 19.6 G 0.15 U 8
Residuals in seconds of arc
171211 F51 0.1+ 0.3+ 171212 568 0.1- 0.1- 171214 807 0.2+ 0.1-
171211 F51 0.0 0.0 171212 568 0.2- 0.0 171216 807 0.1- 0.2-
171211 F51 0.1- 0.2- 171212 568 0.1- 0.1+ 171216 807 0.1- 0.1-
171212 807 0.2+ 0.2- 171212 568 0.2- 0.0 171216 807 0.1- 0.3+
171212 807 0.0 0.2- 171212 568 0.1- 0.0 171217 807 0.1+ 0.0
171212 807 0.0 0.1- 171214 807 0.3+ 0.2+ 171217 807 0.0 0.1-
171212 568 0.1- 0.1- 171214 807 0.1- 0.3+ 171217 807 0.0 0.0
Ephemeris:
2017 XG61 a,e,i = 2.42, 0.79, 43 q = 0.5129
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 17 06 57 56.4 -19 11 33 1.0220 1.7064 116.1 31.4 22.1
...
2017 12 02 06 55 39.2 -33 41 44 0.8268 1.5292 114.8 35.8 21.6
...
2017 12 10 06 48 32.3 -43 01 04 0.7524 1.4301 110.1 40.3 21.3
...
2017 12 16 06 38 36.6 -50 30 29 0.7111 1.3536 104.8 44.7 21.2
2017 12 17 06 36 25.1 -51 46 45 0.7054 1.3406 103.8 45.5 21.2
2017 12 18 06 34 02.5 -53 03 11 0.7001 1.3277 102.8 46.3 21.2
...
2017 12 24 06 14 44.8 -60 40 14 0.6747 1.2486 95.9 51.6 21.1
...
2018 01 01 05 25 40.9 -70 13 31 0.6566 1.1405 85.7 59.3 21.1
...
2018 01 16 00 34 29.9 -78 25 17 0.6570 0.9309 65.7 74.3 21.1
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y08
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