MPEC 2017-X76 : 2017 XC
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M.P.E.C. 2017-X76 Issued 2017 Dec. 8, 01:11 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 XC Observations: K17X00C* C2017 12 04.26044 23 09 10.658+12 09 31.35 19.5 iLEX076F51 K17X00C C2017 12 04.27174 23 09 12.820+12 10 58.21 19.4 iLEX076F51 K17X00C C2017 12 04.28298 23 09 14.954+12 12 23.61 19.4 iLEX076F51 K17X00C C2017 12 04.29416 23 09 17.083+12 13 48.81 19.4 iLEX076F51 K17X00C C2017 12 05.44619 23 13 05.70 +14 36 25.1 19.9 RrEX076P93 K17X00C C2017 12 05.45780 23 13 07.88 +14 37 48.2 19.9 RrEX076P93 K17X00C C2017 12 05.47325 23 13 10.80 +14 39 39.4 20.0 RrEX076P93 K17X00C KC2017 12 05.72565 23 14 00.94 +15 09 43.1 UEX076204 K17X00C KC2017 12 05.74035 23 14 03.68 +15 11 27.5 19.4 GUEX076204 K17X00C KC2017 12 05.75353 23 14 06.15 +15 13 01.1 UEX076204 K17X00C KC2017 12 05.75680 23 14 06.69 +15 13 24.7 19.8 VqEX076595 K17X00C KC2017 12 05.77517 23 14 10.22 +15 15 35.5 UEX076587 K17X00C KC2017 12 05.77694 23 14 10.47 +15 15 47.5 20.0 VqEX076595 K17X00C KC2017 12 05.77890 23 14 10.93 +15 16 01.7 19.7 GUEX076587 K17X00C KC2017 12 05.78273 23 14 11.66 +15 16 28.7 UEX076587 K17X00C KC2017 12 05.79180 23 14 13.35 +15 17 32.9 UEX076587 K17X00C KC2017 12 05.79708 23 14 14.25 +15 18 10.3 19.5 VqEX076595 K17X00C KC2017 12 06.13690823 15 19.79 +15 57 58.9 19.3 VuEX076H21 K17X00C KC2017 12 06.14121823 15 20.59 +15 58 29.0 19.6 VuEX076H21 K17X00C KC2017 12 06.14658523 15 21.60 +15 59 06.4 19.7 VuEX076H21 K17X00C KC2017 12 06.74572023 17 18.03 +17 07 32.3 19.8 VSEX076L01 K17X00C KC2017 12 06.74893423 17 18.68 +17 07 53.9 19.7 VSEX076L01 K17X00C KC2017 12 06.75245423 17 19.26 +17 08 17.9 20.0 VSEX076L01 K17X00C KC2017 12 07.15215 23 18 35.26 +17 52 50.9 oEX076691 K17X00C KC2017 12 07.16492 23 18 37.59 +17 54 14.5 oEX076691 K17X00C KC2017 12 07.17757 23 18 39.90 +17 55 37.6 oEX076691 K17X00C KC2017 12 07.78900 23 20 36.71 +19 01 39.7 UEX076J95 K17X00C KC2017 12 07.80279 23 20 39.21 +19 03 08.2 20.0 GUEX076J95 Observer details: 204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector + CCD. 587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/6.8 reflector + CCD. 595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin. 0.61-m f/4.0 reflector + CCD. 691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3 reflector + 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. J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura, S. Urakawa. 1.0-m f/3.0 reflector + CCD. Orbital elements: 2017 XC PHA, Earth MOID = 0.0477 AU Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC M 344.88382 (2000.0) P Q n 0.30564457 Peri. 317.69630 +0.91164017 -0.02418455 a 2.1826876 Node 48.85551 +0.31614561 +0.67912940 e 0.5671763 Incl. 33.01227 -0.26261028 +0.73362004 P 3.22 H 19.8 G 0.15 U 8 Residuals in seconds of arc 171204 F51 0.1- 0.1- 171205 595 0.1+ 0.1+ 171206 L01 0.1- 0.3- 171204 F51 0.1+ 0.4+ 171205 587 0.1+ 0.5+ 171206 L01 0.8+ 0.3- 171204 F51 0.0 0.0 171205 595 0.3+ 0.1+ 171206 L01 0.2- 0.1- 171204 F51 0.1- 0.2- 171205 587 0.3+ 0.3+ 171207 691 0.4+ 0.2+ 171205 P93 0.1- 0.1+ 171205 587 0.5+ 0.1+ 171207 691 0.4+ 0.2- 171205 P93 0.1+ 0.5- 171205 587 0.4+ 0.1+ 171207 691 0.3+ 0.2- 171205 P93 0.4+ 0.4- 171205 595 0.3+ 0.3+ 171207 J95 0.2- 0.2- 171205 204 0.3- 0.1- 171206 H21 0.1+ 0.3- 171207 J95 0.4- 0.4+ 171205 204 0.4- 0.3- 171206 H21 0.1- 0.1- 171205 204 0.4- 0.4- 171206 H21 0.1- 0.1+ Ephemeris: 2017 XC a,e,i = 2.18, 0.57, 33 q = 0.9447 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2017 11 08 20 52 10.0 -56 14 37 0.3246 0.9670 76.3 84.6 20.2 ... 2017 11 23 22 25 58.1 -17 51 29 0.2633 1.0266 91.0 74.1 19.6 ... 2017 12 01 22 57 56.3 +04 39 22 0.2940 1.0705 98.7 65.6 19.6 ... 2017 12 07 23 18 06.8 +17 36 03 0.3412 1.1077 102.0 60.5 19.8 2017 12 08 23 21 16.6 +19 24 08 0.3505 1.1142 102.4 59.7 19.9 2017 12 09 23 24 23.8 +21 06 37 0.3601 1.1207 102.7 59.0 19.9 ... 2017 12 15 23 42 27.2 +29 38 35 0.4237 1.1617 103.9 55.3 20.3 ... 2017 12 23 00 05 38.4 +37 35 01 0.5189 1.2195 104.2 51.4 20.7 ... 2018 01 07 00 49 25.1 +46 30 23 0.7141 1.3347 102.5 46.0 21.4 A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-X76


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