MPEC 2017-X127: 2017 XU2
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M.P.E.C. 2017-X127 Issued 2017 Dec. 14, 16:34 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 XU2
Observations:
K17X02U* C2017 12 11.54541 09 43 08.428+69 17 08.67 19.9 iUEX127F51
K17X02U C2017 12 11.55900 09 42 46.043+69 17 02.57 19.7 iUEX127F51
K17X02U C2017 12 11.57264 09 42 23.654+69 16 56.22 20.4 iUEX127F51
K17X02U C2017 12 11.58629 09 42 01.219+69 16 49.45 20.1 iUEX127F51
K17X02U KC2017 12 12.07470 09 29 15.46 +69 10 01.2 UEX127J95
K17X02U KC2017 12 12.07975 09 29 07.56 +69 09 56.2 UEX127J95
K17X02U KC2017 12 12.08482 09 28 59.62 +69 09 51.8 19.8 GUEX127J95
K17X02U C2017 12 12.32336 09 22 56.85 +69 05 32.9 19.7 RoEX127926
K17X02U C2017 12 12.32672 09 22 51.57 +69 05 29.7 19.8 RoEX127926
K17X02U C2017 12 12.33009 09 22 46.41 +69 05 26.2 19.5 RoEX127926
K17X02U _C2017 12 12.65735209 14 26.000+68 58 26.95 20.0 GUEX127568
K17X02U _C2017 12 12.66019109 14 21.659+68 58 22.54 20.1 GUEX127568
K17X02U _C2017 12 12.66113809 14 20.181+68 58 21.12 20.1 GUEX127568
K17X02U _C2017 12 12.66208809 14 18.749+68 58 19.61 20.2 GUEX127568
K17X02U C2017 12 12.77707 09 11 36.89 +68 54 27.2 19.8 VSEX127033
K17X02U C2017 12 12.78167 09 11 30.23 +68 54 20.7 20.2 VSEX127033
K17X02U C2017 12 12.78404 09 11 26.91 +68 54 17.5 19.7 VSEX127033
K17X02U C2017 12 12.86706 09 09 26.32 +68 52 19.7 19.9 VSEX127033
K17X02U C2017 12 12.86935 09 09 22.96 +68 52 16.4 19.9 VSEX127033
K17X02U C2017 12 12.87165 09 09 19.63 +68 52 12.9 20.1 VSEX127033
K17X02U KC2017 12 12.87322 09 09 18.49 +68 52 05.2 19.1 RtEX127Z84
K17X02U KC2017 12 12.87682 09 09 13.29 +68 51 59.9 19.3 RtEX127Z84
K17X02U KC2017 12 12.88041 09 09 08.17 +68 51 55.4 19.1 RtEX127Z84
K17X02U KC2017 12 12.88903 09 08 55.64 +68 51 42.7 19.0 RtEX127Z84
K17X02U KC2017 12 12.89262 09 08 50.46 +68 51 38.0 19.5 RtEX127Z84
K17X02U C2017 12 13.31081 08 58 51.85 +68 39 41.8 20.0 RoEX127926
K17X02U C2017 12 13.31424 08 58 46.95 +68 39 36.3 20.1 RoEX127926
K17X02U C2017 12 13.31765 08 58 42.12 +68 39 30.6 19.7 RoEX127926
K17X02U C2017 12 13.44537 08 55 39.02 +68 35 30.8 19.6 GUEX127I52
K17X02U C2017 12 13.44578 08 55 38.43 +68 35 30.1 19.8 GUEX127I52
K17X02U C2017 12 13.44620 08 55 37.87 +68 35 29.4 19.8 GUEX127I52
K17X02U C2017 12 13.44661 08 55 37.19 +68 35 28.4 20.1 GUEX127I52
K17X02U KC2017 12 13.45032708 55 29.43 +68 35 13.8 19.9 VuEX127H21
K17X02U KC2017 12 13.45272608 55 26.01 +68 35 08.6 19.9 VuEX127H21
K17X02U KC2017 12 13.45615008 55 21.18 +68 35 01.5 19.8 VuEX127H21
K17X02U C2017 12 14.52628 08 31 54.59 +67 53 31.5 20.3 RoEX127926
K17X02U C2017 12 14.53019 08 31 49.69 +67 53 20.4 19.8 RoEX127926
K17X02U C2017 12 14.53410 08 31 44.63 +67 53 09.8 20.1 RoEX127926
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, C. Wipper. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + 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.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, M. Micheli,
D. Koschny. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2017 XU2 Earth MOID = 0.1339 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 339.77214 (2000.0) P Q
n 0.53011803 Peri. 5.81774 +0.96962644 +0.24016274
a 1.5120088 Node 340.10003 -0.22953830 +0.82805877
e 0.5769806 Incl. 7.82292 -0.08447926 +0.50659702
P 1.86 H 21.8 G 0.15 U 7
Residuals in seconds of arc
171211 F51 0.2- 0.2+ 171212 568 0.1+ 0.0 171213 926 0.1+ 0.0
171211 F51 0.3- 0.0 171212 033 0.6- 0.1- 171213 926 0.4+ 0.3+
171211 F51 0.1+ 0.0 171212 033 0.5- 0.1- 171213 I52 0.1+ 0.1-
171211 F51 0.4+ 0.1+ 171212 033 0.1+ 0.0 171213 I52 0.1+ 0.0
171212 J95 0.3- 0.1+ 171212 033 0.2+ 0.0 171213 I52 0.3+ 0.2+
171212 J95 0.0 0.4- 171212 033 0.1+ 0.0 171213 I52 0.2- 0.0
171212 J95 0.3+ 0.2- 171212 033 0.2+ 0.2- 171213 H21 0.0 0.0
171212 926 0.1- 0.4+ 171212 Z84 0.2- 0.1- 171213 H21 0.1- 0.2-
171212 926 0.5- 0.5+ 171212 Z84 0.1- 0.3- 171213 H21 0.1+ 0.1-
171212 926 0.1- 0.5+ 171212 Z84 0.3+ 0.2+ 171214 926 0.4- 0.5+
171212 568 0.2+ 0.1- 171212 Z84 0.0 0.3- 171214 926 0.2+ 0.1+
171212 568 0.2+ 0.1- 171212 Z84 0.2+ 0.1+ 171214 926 0.3- 0.2+
171212 568 0.0 0.0 171213 926 0.0 0.4-
Ephemeris:
2017 XU2 a,e,i = 1.51, 0.58, 8 q = 0.6396
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 14 15 35 56.4 +12 47 58 0.2060 0.8205 31.3 141.2 25.0
...
2017 11 29 14 09 34.0 +50 15 06 0.1559 0.9640 77.2 93.7 21.0
...
2017 12 07 11 47 39.5 +66 57 12 0.1677 1.0430 105.6 65.5 20.3
...
2017 12 13 09 06 09.4 +68 48 54 0.1922 1.1020 123.4 48.3 20.2
2017 12 14 08 43 11.6 +68 14 58 0.1973 1.1117 125.9 45.8 20.2
2017 12 15 08 22 25.7 +67 31 41 0.2028 1.1215 128.3 43.5 20.3
...
2017 12 21 06 58 21.7 +61 38 51 0.2410 1.1794 140.3 32.2 20.4
...
2017 12 29 06 08 44.3 +53 45 49 0.3048 1.2548 149.2 23.7 20.8
...
2018 01 13 05 39 39.7 +43 24 28 0.4566 1.3898 147.3 22.5 21.9
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-X127
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