MPEC 2018-W20 : 2018 WH
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ReadMPEC 2018-W19
ReadMPEC 2018-W21M.P.E.C. 2018-W20 Issued 2018 Nov. 18, 21:06 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 URL https://www.minorplanetcenter.net/ ISSN 1523-6714 2018 WHObservations: K18W00H* C2018 11 17.23974 03 30 00.82 +23 36 25.6 19.8 GVEW020703 K18W00H C2018 11 17.25041 03 30 28.58 +23 31 00.8 18.4 GVEW020703 K18W00H C2018 11 17.28028 03 31 36.30 +23 15 13.8 18.3 GVEW020H01 K18W00H C2018 11 17.28735 03 31 53.41 +23 11 43.0 18.1 GVEW020H01 K18W00H C2018 11 17.29012 03 32 07.19 +23 11 08.9 18.5 GVEW020G96 K18W00H C2018 11 17.29443 03 32 10.30 +23 08 13.5 18.4 GVEW020H01 K18W00H C2018 11 17.29573 03 32 20.36 +23 08 24.3 18.5 GVEW020G96 K18W00H C2018 11 17.30132 03 32 33.51 +23 05 41.0 VEW020G96 K18W00H C2018 11 17.30150 03 32 26.97 +23 04 45.1 18.2 GVEW020H01 K18W00H C2018 11 17.30692 03 32 46.38 +23 02 57.7 VEW020G96 K18W00H KC2018 11 17.85512 03 51 31.35 +19 55 50.5 19.1 GUEW020587 K18W00H KC2018 11 17.86241 03 51 38.55 +19 54 22.7 UEW020587 K18W00H KC2018 11 17.86970 03 51 45.71 +19 52 54.1 UEW020587 K18W00H KC2018 11 18.03502503 54 03.27 +19 21 07.7 19.0 GVEW020C95 K18W00H KC2018 11 18.04160 03 54 16.37 +19 17 55.2 19.4 GVEW020J95 K18W00H KC2018 11 18.04464 03 54 18.66 +19 17 21.0 19.6 GVEW020J95 K18W00H KC2018 11 18.04736403 54 12.23 +19 18 46.5 19.0 GVEW020C95 K18W00H KC2018 11 18.04771 03 54 20.98 +19 16 47.0 19.6 GVEW020J95 K18W00H KC2018 11 18.04937603 54 07.29 +19 17 44.9 19.6 GVEW020L01 K18W00H KC2018 11 18.05066503 54 08.25 +19 17 30.2 19.8 GVEW020L01 K18W00H KC2018 11 18.05081 03 54 23.28 +19 16 11.8 19.1 GVEW020J95 K18W00H IC2018 11 18.05441303 54 11.07 +19 16 46.6 19.9 GVEW020L01 K18W00H pC2018 11 18.05595003 54 12.22 +19 16 28.6 20.0 GVEW020L01 K18W00H KC2018 11 18.05971103 54 21.15 +19 16 25.5 19.0 GVEW020C95 K18W00H 1C2018 11 18.32698 03 58 49.28 +18 33 41.9 LEW020658 K18W00H 1C2018 11 18.32757 03 58 49.57 +18 33 37.4 LEW020658 K18W00H 1C2018 11 18.32816 03 58 49.87 +18 33 32.7 LEW020658 K18W00H 1C2018 11 18.32874 03 58 50.16 +18 33 28.0 LEW020658 K18W00H 1C2018 11 18.32991 03 58 50.74 +18 33 18.7 LEW020658Observer details:587 Sormano. Observers A. Fumagalli, P. Sicoli, A. Testa. Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.658 National Research Council of Canada. Observer D. D. Balam. 1.82-m reflector + CCD.703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 0.68-m Schmidt + 10K CCD.C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m f/3.2 Newtonian reflector + CCD.G96 Mt. Lemmon Survey. Observer H. Groeller. Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD.H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD.L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD.Orbital elements:2018 WH EarthMOID = 0.0010 AUEpoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPCM 156.05201 (2000.0) P Qn 0.73871331 Peri. 116.69233 +0.98943233 +0.14244405a 1.2119520 Node 235.13000 -0.14198041 +0.91392215e 0.2766020 Incl. 1.89149 -0.02941458 +0.38007367P 1.33 H 29.8 G 0.15 U 6Residuals in seconds of arc181117 703 (3.9+ 2.2-) 181117 587 0.3+ 0.4+ 181118 J95 0.1- 0.5-181117 703 0.3- 0.3+ 181117 587 0.2- 0.7+ 181118 L01 0.0 0.3+181117 H01 0.1+ 0.3- 181117 587 0.8+ 0.1- 181118 L01 0.1- 0.1+181117 H01 0.0 0.3- 181118 C95 0.6- 0.4- 181118 C95 0.1+ 0.2+181117 G96 0.5+ 0.2- 181118 J95 0.1- 0.3+ 181118 658 0.2- 0.5-181117 H01 0.3- 0.0 181118 J95 0.0 0.0 181118 658 0.2- 0.2-181117 G96 0.5- 0.1+ 181118 C95 0.1+ 0.1- 181118 658 0.1- 0.2-181117 G96 0.8+ 0.3+ 181118 J95 0.2+ 0.2+ 181118 658 0.1- 0.2-181117 H01 0.2- 0.3- 181118 L01 0.3+ 0.2+ 181118 658 0.1- 0.1-181117 G96 0.2- 0.1- 181118 L01 0.2+ 0.4+Ephemeris:2018 WH a,e,i = 1.21, 0.28, 2 q = 0.8767Date TT R. A. (2000) Decl. Delta r Elong. Phase V2018 10 19 16 02 31.4 -15 50 29 0.1307 0.8948 36.7 138.3 31.8...2018 11 03 16 14 23.1 -15 24 43 0.05865 0.9392 24.9 153.6 32.7...2018 11 11 16 22 35.5 -14 06 55 0.02304 0.9685 19.3 160.2 32.6...2018 11 17 03 11 33.0 +26 23 47 0.0035810.9923 171.6 8.4 18.12018 11 18 03 53 40.8 +19 35 41 0.0078380.9964 174.9 5.1 19.72018 11 19 04 05 16.5 +17 29 26 0.01218 1.0004 172.8 7.1 20.8...2018 11 25 04 18 58.0 +14 54 15 0.03857 1.0254 172.9 6.8 23.3...2018 12 03 04 21 28.8 +14 29 11 0.07500 1.0601 171.8 7.7 24.9...2018 12 18 04 24 38.4 +14 53 21 0.1511 1.1272 160.0 17.4 26.9A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-W20
ReadMPEC 2018-W19 ReadMPEC 2018-W21Enter anMPEC number in oneof the following forms:
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