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M.P.E.C. 2012-X75 Issued 2012 Dec. 13, 00:13 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 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 2012 XH112Observations: K12XB2H* C2012 12 12.28236 05 00 30.27 +14 50 19.9 19.4 VrEX075G96 K12XB2H C2012 12 12.28936 05 00 33.69 +14 50 40.4 19.4 VrEX075G96 K12XB2H C2012 12 12.29632 05 00 37.15 +14 51 00.2 19.3 VrEX075G96 K12XB2H C2012 12 12.33340 05 00 54.77 +14 52 38.2 18.9 RoEX075H01 K12XB2H C2012 12 12.34385 05 01 00.18 +14 53 07.8 18.9 RoEX075H01 K12XB2H C2012 12 12.34982 05 01 03.29 +14 53 24.6 19.2 RoEX075H01 K12XB2H C2012 12 12.35436 05 01 05.69 +14 53 37.4 19.3 RoEX075H01 K12XB2H C2012 12 12.36847 05 01 14.01 +14 54 26.9 19.2 VrEX075G96 K12XB2H C2012 12 12.36903 05 01 14.26 +14 54 28.4 19.3 VrEX075G96 K12XB2H C2012 12 12.36957 05 01 14.59 +14 54 29.9 19.2 VrEX075G96 K12XB2H C2012 12 12.37013 05 01 14.88 +14 54 31.6 19.3 VrEX075G96 K12XB2H C2012 12 12.45353 05 02 33.47 +14 58 16.4 20.5 RoEX075300 K12XB2H C2012 12 12.45516 05 02 34.35 +14 58 21.5 20.2 RoEX075300 K12XB2H C2012 12 12.45678 05 02 35.37 +14 58 27.5 20.0 RoEX075300 K12XB2H C2012 12 12.45840 05 02 36.41 +14 58 33.7 20.6 RoEX075300 K12XB2H C2012 12 12.46002 05 02 37.41 +14 58 39.2 20.3 RoEX075300 K12XB2H C2012 12 12.46165 05 02 38.34 +14 58 44.1 20.5 RoEX075300 K12XB2H KC2012 12 12.84874 05 07 28.50 +15 21 06.1 19.4 VuEX075595 K12XB2H KC2012 12 12.86198 05 07 38.81 +15 22 02.1 19.3 VuEX075595 K12XB2H KC2012 12 12.87545 05 07 49.33 +15 22 58.6 uEX075595Observer details:300 Bisei Spaceguard Center--BATTeRS. Observers K. Nishiyama, S. Okumura. 1.0-m f/3.0 reflector + CCD.595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin. 0.40-m f/4.5 reflector + CCD.G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.Orbital elements:2012 XH112 EarthMOID = 0.0012 AUEpoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPCM 322.99424 (2000.0) P Qn 0.32137019 Peri. 58.16636 -0.78241649 -0.61885852a 2.1108903 Node 83.50696 +0.54509594 -0.73457618e 0.6153220 Incl. 4.01450 +0.30115588 -0.27823005P 3.07 H 27.0 G 0.15 U 7Residuals in seconds of arc121212 G96 0.2+ 0.1- 121212 G96 0.2+ 0.1- 121212 300 0.3+ 0.5+121212 G96 0.2- 0.1+ 121212 G96 0.5- 0.2- 121212 300 0.5+ 0.3+121212 G96 0.1+ 0.3- 121212 G96 0.1+ 0.2- 121212 300 0.4- 0.6-121212 H01 0.1- 0.1+ 121212 G96 0.0 0.1- 121212 595 0.0 0.5+121212 H01 0.0 0.1+ 121212 300 0.8+ 0.4+ 121212 595 0.0 0.2+121212 H01 0.0 0.1+ 121212 300 0.9- 0.3- 121212 595 0.0 0.8-121212 H01 0.2+ 0.1+ 121212 300 0.4- 0.0Ephemeris:2012 XH112 a,e,i = 2.11, 0.62, 4 q = 0.8120Date TT R. A. (2000) Decl. Delta r Elong. Phase V2012 11 13 04 28 34.2 +13 15 55 0.2947 1.2723 161.4 14.4 25.7...2012 11 28 04 33 06.8 +12 51 40 0.1507 1.1355 170.7 8.1 23.7...2012 12 06 04 38 21.7 +13 04 52 0.08112 1.0653 170.1 9.1 22.3...2012 12 12 04 57 51.5 +14 39 07 0.03097 1.0151 170.4 9.3 20.12012 12 13 05 09 35.1 +15 35 06 0.02278 1.0070 171.9 7.9 19.42012 12 14 05 34 37.4 +17 25 42 0.01474 0.9990 173.9 6.0 18.3...2012 12 20 16 00 22.7 -09 26 17 0.03589 0.9530 30.3 148.7 27.9...2012 12 28 16 19 37.7 -11 23 00 0.1029 0.8986 32.8 143.6 29.2...2013 01 12 16 35 48.6 -13 00 51 0.2359 0.8277 43.3 125.5 28.7A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-X75
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