MPEC 2017-X143: 2017 XR60
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M.P.E.C. 2017-X143 Issued 2017 Dec. 15, 21:50 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 XR60
Observations:
K17X60R* C2017 12 14.14924 00 24 03.63 +23 27 12.5 19.6 GUEX143703
K17X60R C2017 12 14.15448 00 24 06.00 +23 28 13.2 19.3 GUEX143703
K17X60R C2017 12 14.15973 00 24 08.41 +23 29 11.8 19.4 GUEX143703
K17X60R C2017 12 14.16497 00 24 10.84 +23 30 11.0 20.0 GUEX143703
K17X60R C2017 12 14.25130800 24 51.41 +23 46 08.9 19.4 GUEX143H01
K17X60R C2017 12 14.25509300 24 53.30 +23 46 51.0 19.7 GUEX143H01
K17X60R C2017 12 14.26246100 24 56.99 +23 48 13.1 19.6 GUEX143H01
K17X60R C2017 12 14.26715 00 24 59.57 +23 49 14.5 19.7 GUEX143I52
K17X60R C2017 12 14.26739 00 24 59.64 +23 49 17.0 19.4 GUEX143I52
K17X60R C2017 12 14.26763 00 24 59.80 +23 49 20.1 19.3 GUEX143I52
K17X60R C2017 12 14.28196700 25 06.91 +23 51 50.5 19.5 GUEX143H01
K17X60R C2017 12 14.76339 00 29 49.30 +25 26 33.7 18.4 VSEX143033
K17X60R C2017 12 14.76573 00 29 50.56 +25 27 02.3 19.3 VSEX143033
K17X60R C2017 12 14.76803 00 29 51.71 +25 27 29.3 19.4 VSEX143033
K17X60R C2017 12 14.89468 00 30 59.62 +25 52 48.9 19.8 VSEX143033
K17X60R C2017 12 14.89697 00 31 00.88 +25 53 16.3 19.5 VSEX143033
K17X60R C2017 12 14.89927 00 31 02.19 +25 53 43.5 18.9 VSEX143033
K17X60R KC2017 12 14.93733 00 31 25.05 +26 01 28.1 UEX143J95
K17X60R KC2017 12 14.94039 00 31 26.77 +26 02 04.7 UEX143J95
K17X60R KC2017 12 14.94394 00 31 28.75 +26 02 46.6 19.5 GUEX143J95
K17X60R C2017 12 15.08047 00 33 01.63 +26 32 30.9 18.9 RoEX143926
K17X60R C2017 12 15.08241 00 33 02.66 +26 32 55.2 18.9 RoEX143926
K17X60R C2017 12 15.08436 00 33 03.69 +26 33 19.8 18.8 RoEX143926
K17X60R C2017 12 15.11208300 33 17.55 +26 38 54.3 19.5 GUEX143H01
K17X60R C2017 12 15.11727100 33 20.35 +26 39 58.6 19.6 GUEX143H01
K17X60R C2017 12 15.12537100 33 24.67 +26 41 38.4 19.4 GUEX143H01
K17X60R C2017 12 15.12953 00 33 27.68 +26 42 37.2 19.2 GUEX143I52
K17X60R C2017 12 15.12977 00 33 27.83 +26 42 40.0 19.6 GUEX143I52
K17X60R C2017 12 15.13001 00 33 27.96 +26 42 42.4 19.6 GUEX143I52
K17X60R C2017 12 15.13025 00 33 28.10 +26 42 46.0 19.6 GUEX143I52
K17X60R C2017 12 15.13273900 33 28.63 +26 43 09.6 19.4 GUEX143H01
K17X60R KC2017 12 15.24769 00 34 33.32 +27 06 48.8 oEX143691
K17X60R KC2017 12 15.26084 00 34 41.09 +27 09 29.1 oEX143691
K17X60R KC2017 12 15.27397 00 34 48.89 +27 12 07.6 oEX143691
K17X60R KC2017 12 15.82669 00 41 07.90 +29 10 38.8 UEX143J95
K17X60R KC2017 12 15.82985 00 41 09.96 +29 11 19.8 UEX143J95
K17X60R KC2017 12 15.83275 00 41 11.73 +29 11 58.1 19.8 GUEX143J95
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
703 Catalina Sky Survey. Observer E. J. Christensen. 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. 0.68-m Schmidt + 10K CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer E. J. Christensen.
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2017 XR60 Earth MOID = 0.0191 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 320.62035 (2000.0) P Q
n 0.39862051 Peri. 18.91695 +0.22186133 -0.97456848
a 1.8285056 Node 58.27580 +0.88976933 +0.18912003
e 0.4528961 Incl. 2.12401 +0.39885847 +0.12020771
P 2.47 H 24.3 G 0.15 U 5
Residuals in seconds of arc
171214 703 0.3+ 0.6- 171214 033 0.5- 0.8- 171215 I52 0.5- 0.2+
171214 703 0.1+ 1.0+ 171214 033 0.3- 0.1- 171215 I52 0.3- 0.0
171214 703 0.4+ 0.4+ 171214 033 0.5- 0.0 171215 I52 0.2- 0.6-
171214 703 0.9+ 0.6+ 171214 033 0.1- 0.2- 171215 I52 0.1- 0.1+
171214 H01 0.6- 0.1- 171214 J95 0.3+ 0.1+ 171215 H01 0.5- 0.0
171214 H01 0.6- 0.2- 171214 J95 0.2+ 0.1+ 171215 691 0.5- 0.3+
171214 H01 0.6- 0.2- 171214 J95 0.1- 0.5- 171215 691 0.9+ 0.6+
171214 I52 0.2+ 0.0 171215 926 0.0 0.0 171215 691 1.5+ 0.4-
171214 I52 0.5- 0.2- 171215 926 0.0 0.1+ 171215 J95 0.4- 0.2+
171214 I52 0.0 0.2+ 171215 926 0.0 0.4+ 171215 J95 0.4+ 0.3-
171214 H01 0.7- 0.3- 171215 H01 0.3- 0.0 171215 J95 0.4- 0.0
171214 033 0.4- 0.4- 171215 H01 0.0 0.1+
171214 033 0.2+ 0.0 171215 H01 0.4- 0.3-
Ephemeris:
2017 XR60 a,e,i = 1.83, 0.45, 2 q = 1.0004
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 15 23 17 22.6 -08 34 26 0.1246 1.0465 114.2 59.5 22.0
...
2017 11 30 23 27 56.2 -00 54 36 0.08088 1.0096 104.5 71.0 21.3
...
2017 12 08 23 48 10.0 +08 50 20 0.05761 1.0013 104.8 72.0 20.6
...
2017 12 14 00 22 49.4 +22 59 27 0.04245 1.0007 111.4 66.3 19.8
2017 12 15 00 32 10.3 +26 16 04 0.04039 1.0011 113.4 64.4 19.6
2017 12 16 00 43 12.2 +29 50 14 0.03852 1.0016 115.8 62.3 19.4
...
2017 12 22 02 54 00.1 +53 29 00 0.03352 1.0073 134.0 44.6 18.7
...
2017 12 30 07 30 53.3 +54 26 34 0.04588 1.0222 147.1 31.5 19.0
...
2018 01 14 09 16 41.5 +37 09 50 0.09507 1.0699 154.1 23.7 20.5
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-X143
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