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M.P.E.C. 2017-W61 Issued 2017 Nov. 19, 18:30 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 theTamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URLhttps://www.minorplanetcenter.net/ ISSN 1523-6714 2017 WTObservations: K17W00T* C2017 11 16.30312 04 17 05.07 +12 06 47.6 20.1 GUEW061G96 K17W00T C2017 11 16.30831 04 17 04.76 +12 07 01.3 20.5 GUEW061G96 K17W00T C2017 11 16.31351 04 17 04.43 +12 07 15.0 19.9 GUEW061G96 K17W00T C2017 11 16.32324 04 17 03.80 +12 07 40.6 19.4 GUEW061G96 K17W00T C2017 11 16.43598 04 16 57.37 +12 12 21.9 20.1 GUEW061I52 K17W00T C2017 11 16.43789 04 16 57.24 +12 12 26.5 19.3 GUEW061I52 K17W00T C2017 11 16.43980 04 16 57.15 +12 12 31.0 20.2 GUEW061I52 K17W00T C2017 11 16.44171 04 16 57.09 +12 12 35.9 19.1 GUEW061I52 K17W00T KC2017 11 16.90598 04 17 07.62 +12 30 05.2 19.7 UEW061K63 K17W00T KC2017 11 16.91826 04 17 07.11 +12 30 32.3 19.2 UEW061K63 K17W00T KC2017 11 16.92452 04 17 06.79 +12 30 46.7 19.2 UEW061K63 K17W00T KC2017 11 16.94694704 17 10.150+12 32 07.44 20.4 GUEW061J04 K17W00T KC2017 11 16.95025204 17 09.984+12 32 14.83 20.2 GUEW061J04 K17W00T KC2017 11 16.95355904 17 09.863+12 32 22.69 19.9 GUEW061J04 K17W00T C2017 11 17.26883 04 17 06.53 +12 42 51.8 20.5 GUEW061I52 K17W00T C2017 11 17.26959 04 17 06.51 +12 42 53.5 20.4 GUEW061I52 K17W00T C2017 11 17.27035 04 17 06.48 +12 42 54.7 20.2 GUEW061I52 K17W00T C2017 11 17.27111 04 17 06.45 +12 42 56.2 19.9 GUEW061I52 K17W00T KC2017 11 17.28167704 17 02.49 +12 43 00.7 20.1 VuEW061H21 K17W00T KC2017 11 17.28410104 17 02.37 +12 43 05.2 20.0 VuEW061H21 K17W00T KC2017 11 17.28768804 17 02.19 +12 43 12.0 20.0 VuEW061H21 K17W00T C2017 11 18.37998 04 17 04.750+13 13 47.52 21.4 wLEW061F51 K17W00T C2017 11 18.39300 04 17 04.077+13 14 06.57 21.2 wLEW061F51 K17W00T C2017 11 18.40604 04 17 03.394+13 14 25.70 21.3 wLEW061F51 K17W00T C2017 11 18.41907 04 17 02.707+13 14 44.49 21.0 wLEW061F51 K17W00T KC2017 11 19.01475504 17 01.193+13 27 24.85 19.8 GUEW061J04 K17W00T KC2017 11 19.01916204 17 00.983+13 27 30.54 19.8 GUEW061J04 K17W00T KC2017 11 19.02356904 17 00.780+13 27 35.83 20.3 GUEW061J04Observer details: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.G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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. 1.5-m reflector + 10K CCD.H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD.I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, R. G. Matheny. 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.J04 ESA Optical Ground Station, Tenerife. Observers D. Abreu, P. Ruiz. Measurers M. Micheli, D. Koschny, A. Knoefel, E. Schwab, M. Busch. 1.0-m f/4.4 reflector + CCD.K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m f/3.2 Newtonian reflector + CCD.Orbital elements:2017 WT EarthMOID = 0.0033 AUEpoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPCM 351.63624 (2000.0) P Qn 0.28644325 Peri. 126.35609 +0.98390376 +0.17635648a 2.2791714 Node 223.50716 -0.17442498 +0.91269271e 0.6467359 Incl. 2.40097 -0.03884999 +0.36863317P 3.44 H 25.8 G 0.15 U 5Residuals in seconds of arc171116 G96 0.0 0.0 171116 K63 0.6- 0.6+ 171117 H21 0.6- 0.6-171116 G96 0.1+ 0.1- 171116 J04 0.5+ 0.1+ 171118 F51 0.2+ 0.2+171116 G96 0.1+ 0.1- 171116 J04 0.2+ 0.0 171118 F51 0.0 0.1-171116 G96 0.3- 0.0 171116 J04 0.6+ 0.5+ 171118 F51 0.0 0.0171116 I52 0.5+ 0.1- 171117 I52 0.3- 0.1+ 171118 F51 0.0 0.0171116 I52 0.1- 0.1- 171117 I52 0.0 0.3+ 171119 J04 0.2- 0.0171116 I52 0.1- 0.1- 171117 I52 0.1+ 0.0 171119 J04 0.2- 0.1+171116 I52 0.3+ 0.2+ 171117 I52 0.3+ 0.0 171119 J04 0.2- 0.1-171116 K63 0.4- 0.2+ 171117 H21 0.6- 0.6-171116 K63 0.0 0.0 171117 H21 0.6- 0.7-Ephemeris:2017 WT a,e,i = 2.28, 0.65, 2 q = 0.8051Date TT R. A. (2000) Decl. Delta r Elong. Phase V2017 10 20 16 10 02.0 -16 38 34 0.2004 0.8453 37.3 134.4 28.1...2017 11 04 16 18 13.1 -19 01 43 0.06032 0.9373 24.6 153.9 28.8...2017 11 12 04 15 09.5 -00 58 29 0.01183 1.0006 155.2 24.5 17.3...2017 11 18 04 17 02.1 +13 04 42 0.06514 1.0523 167.8 11.4 20.72017 11 19 04 16 59.1 +13 27 37 0.07418 1.0612 168.8 10.5 20.92017 11 20 04 16 55.2 +13 45 48 0.08326 1.0702 169.7 9.5 21.2...2017 11 26 04 16 25.8 +14 48 22 0.1389 1.1251 173.5 5.7 22.2...2017 12 04 04 16 07.4 +15 30 25 0.2171 1.2005 171.1 7.3 23.4...2017 12 19 04 18 11.9 +16 26 56 0.3812 1.3451 158.0 15.9 25.2A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-W61
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