MPEC 2017-Y09 : 2017 XH61
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M.P.E.C. 2017-Y09 Issued 2017 Dec. 17, 17:32 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 XH61
Observations:
K17X61H* C2017 12 13.50670 06 12 19.17 +41 16 04.6 19.3 oUEY009T05
K17X61H C2017 12 13.51686 06 12 18.85 +41 15 56.8 19.0 oUEY009T05
K17X61H C2017 12 13.52421 06 12 18.80 +41 15 52.3 18.9 oUEY009T05
K17X61H C2017 12 13.53667 06 12 18.49 +41 15 44.2 19.3 oUEY009T05
K17X61H C2017 12 13.84698 06 12 16.80 +41 12 07.9 19.6 VSEY009033
K17X61H C2017 12 13.84928 06 12 16.77 +41 12 06.2 19.3 VSEY009033
K17X61H C2017 12 13.86477 06 12 16.59 +41 11 56.9 19.0 VSEY009033
K17X61H C2017 12 13.86707 06 12 16.54 +41 11 55.0 19.1 VSEY009033
K17X61H C2017 12 13.86936 06 12 16.48 +41 11 53.4 18.9 VSEY009033
K17X61H C2017 12 14.21909 06 12 12.92 +41 08 05.3 19.4 RoEY009926
K17X61H C2017 12 14.23372 06 12 12.67 +41 07 56.2 19.3 RoEY009926
K17X61H C2017 12 14.25367 06 12 12.29 +41 07 43.5 19.2 RoEY009926
K17X61H C2017 12 14.25705 06 12 12.24 +41 07 41.0 19.1 GUEY009I52
K17X61H C2017 12 14.25953 06 12 12.19 +41 07 39.5 18.9 GUEY009I52
K17X61H C2017 12 14.26200 06 12 12.15 +41 07 37.8 19.2 GUEY009I52
K17X61H C2017 12 14.26449 06 12 12.09 +41 07 36.1 19.0 GUEY009I52
K17X61H C2017 12 14.93520 06 12 04.19 +40 59 53.7 20.2 VSEY009033
K17X61H C2017 12 14.93750 06 12 04.14 +40 59 51.6 20.3 VSEY009033
K17X61H C2017 12 14.93980 06 12 04.08 +40 59 49.9 19.9 VSEY009033
K17X61H KC2017 12 14.98624 06 12 03.93 +40 59 23.2 19.0 RqEY009J22
K17X61H KC2017 12 14.99096 06 12 03.86 +40 59 20.0 19.0 RqEY009J22
K17X61H KC2017 12 14.99569 06 12 03.72 +40 59 16.8 19.1 RqEY009J22
K17X61H 'C2017 12 15.00122 06 12 03.60 +40 59 14.5 18.7 GUEY009G40
K17X61H 'C2017 12 15.03686 06 12 02.87 +40 58 50.1 18.9 GUEY009G40
K17X61H C2017 12 15.24856 06 12 00.69 +40 56 20.8 19.4 GUEY009I52
K17X61H C2017 12 15.25425 06 12 00.58 +40 56 16.8 19.1 GUEY009I52
K17X61H C2017 12 15.25998 06 12 00.47 +40 56 13.1 19.4 GUEY009I52
K17X61H C2017 12 15.26641 06 12 00.33 +40 56 08.6 19.3 GUEY009I52
K17X61H C2017 12 16.20550 06 11 48.59 +40 45 01.0 19.1 GUEY009I52
K17X61H C2017 12 16.21024 06 11 48.55 +40 44 58.2 18.9 GUEY009I52
K17X61H C2017 12 16.21756 06 11 48.38 +40 44 53.3 18.8 GUEY009I52
K17X61H KC2017 12 16.82543 06 11 40.00 +40 37 26.4 18.8 RoEY009K88
K17X61H KC2017 12 16.82865 06 11 39.98 +40 37 23.9 19.1 RoEY009K88
K17X61H KC2017 12 16.83350 06 11 39.85 +40 37 21.0 19.1 RoEY009K88
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
G40 Slooh.com Canary Islands Observatory. Observer W. F. Cashwell. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers E. J. Christensen,
R. A. Kowalski. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/2.9 astrograph
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, A. Heinze, H. Weiland,
J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze, B. Stalder,
J. Tonry. 0.5-m f/2.0 Schmidt + CCD.
Orbital elements:
2017 XH61
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 346.62050 (2000.0) P Q
n 0.18570000 Peri. 109.03619 +0.42196183 -0.90174818
a 3.0427161 Node 315.62720 +0.77319089 +0.41195812
e 0.5310184 Incl. 7.70829 +0.47341742 +0.13092261
P 5.31 H 19.4 G 0.15 U 7
Residuals in seconds of arc
171213 T05 0.5+ 0.4+ 171214 I52 0.2- 0.2+ 171215 I52 0.1- 0.3+
171213 T05 0.9- 0.6- 171214 I52 0.3- 0.3+ 171215 I52 0.1- 0.1+
171213 T05 0.1+ 0.1- 171214 I52 0.2- 0.2+ 171215 I52 0.1- 0.2+
171213 T05 0.8- 0.4+ 171214 I52 0.4- 0.1+ 171215 I52 0.2- 0.0
171213 033 0.5- 0.2+ 171214 033 0.0 0.6+ 171216 I52 0.7- 0.2-
171213 033 0.4- 0.0 171214 033 0.1- 0.0 171216 I52 0.1- 0.3+
171213 033 0.1+ 0.4+ 171214 033 0.3- 0.1- 171216 I52 0.4- 0.3+
171213 033 0.1- 0.1- 171214 J22 0.3- 0.4- 171216 K88 0.4- 0.1+
171213 033 0.4- 0.2- 171214 J22 0.0 0.5- 171216 K88 0.1+ 0.2-
171214 926 0.3- 0.1+ 171214 J22 0.6- 0.6- 171216 K88 0.4- 0.3+
171214 926 0.2- 0.2+ 171215 G40 0.4- 0.6+
171214 926 0.5- 0.3+ 171215 G40 0.5- 0.1+
Ephemeris:
2017 XH61 a,e,i = 3.04, 0.53, 8 q = 1.4270
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 17 06 01 24.1 +43 33 13 0.5217 1.4271 139.7 26.6 20.0
...
2017 12 02 06 11 55.4 +42 53 39 0.4954 1.4380 150.5 19.7 19.7
...
2017 12 10 06 12 44.0 +41 51 48 0.4931 1.4507 156.6 15.6 19.5
...
2017 12 16 06 11 50.5 +40 47 29 0.4975 1.4632 160.8 12.8 19.5
2017 12 17 06 11 36.8 +40 35 24 0.4988 1.4655 161.4 12.4 19.5
2017 12 18 06 11 22.2 +40 22 56 0.5003 1.4679 161.9 12.0 19.5
...
2017 12 24 06 09 46.0 +39 01 22 0.5125 1.4836 164.4 10.3 19.5
...
2018 01 01 06 07 58.5 +36 59 22 0.5385 1.5082 164.0 10.4 19.6
...
2018 01 16 06 08 33.6 +33 00 27 0.6176 1.5640 154.5 15.7 20.2
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y09
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