MPEC 2017-H54 : 2017 HU2
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ReadMPEC 2017-H53
ReadMPEC 2017-H55M.P.E.C. 2017-H54 Issued 2017 Apr. 23, 14:31 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 HU2Observations: K17H02U* C2017 04 22.20877 10 50 37.78 +28 28 27.9 18.6 VqEH054703 K17H02U C2017 04 22.21411 10 50 22.07 +28 24 52.9 17.1 VqEH054703 K17H02U C2017 04 22.22480 10 49 51.02 +28 17 45.7 17.4 VqEH054703 K17H02U C2017 04 22.25992310 48 06.26 +27 53 06.8 18.2 GUEH054H01 K17H02U C2017 04 22.26807610 47 43.27 +27 47 31.8 17.8 GUEH054H01 K17H02U C2017 04 22.28462410 46 57.20 +27 36 10.9 17.3 GUEH054H01 K17H02U C2017 04 22.28782510 46 48.36 +27 33 59.0 17.6 GUEH054H01 K17H02U C2017 04 22.29188 10 46 39.30 +27 31 54.0 17.7 VqEH054I52 K17H02U C2017 04 22.29200 10 46 38.95 +27 31 49.0 17.9 VqEH054I52 K17H02U C2017 04 22.29213 10 46 38.58 +27 31 43.6 18.1 VqEH054I52 K17H02U C2017 04 22.29226 10 46 38.25 +27 31 38.4 17.7 VqEH054I52 K17H02U C2017 04 22.29606 10 46 27.81 +27 29 03.3 qEH054703 K17H02U C2017 04 22.29655 10 46 26.35 +27 28 41.6 17.5 VqEH054703 K17H02U C2017 04 22.29703 10 46 25.02 +27 28 21.6 17.3 VqEH054703 K17H02U C2017 04 22.33852 10 44 33.79 +26 59 49.6 17.5 VqEH054I52 K17H02U C2017 04 22.33867 10 44 33.43 +26 59 43.5 17.6 VqEH054I52 K17H02U C2017 04 22.33879 10 44 33.09 +26 59 38.4 17.7 VqEH054I52 K17H02U C2017 04 22.33892 10 44 32.77 +26 59 32.7 17.9 VqEH054I52 K17H02U C2017 04 22.37782 10 42 53.66 +26 32 47.1 17.3 VqEH054I52 K17H02U C2017 04 22.37985 10 42 48.63 +26 31 23.6 17.4 VqEH054I52 K17H02U C2017 04 22.38188 10 42 43.60 +26 29 59.6 17.4 VqEH054I52 K17H02U C2017 04 22.38391 10 42 38.61 +26 28 36.2 17.5 VqEH054I52 K17H02U KC2017 04 22.79741 10 28 37.64 +22 09 55.0 17.6 RUEH054K51 K17H02U KC2017 04 22.80136 10 28 28.44 +22 07 32.5 18.2 RUEH054K51 K17H02U KC2017 04 22.80579 10 28 18.13 +22 04 52.3 17.7 RUEH054K51 K17H02U KC2017 04 22.81107 10 28 05.90 +22 01 41.7 17.9 RUEH054K51 K17H02U KC2017 04 22.84077 10 26 59.59 +21 43 51.0 17.6 GUEH054K38 K17H02U KC2017 04 22.84654 10 26 46.39 +21 40 22.4 17.6 GUEH054K38 K17H02U KC2017 04 22.85244 10 26 32.94 +21 36 49.2 17.9 GUEH054K38 K17H02U KC2017 04 22.85904110 26 26.57 +21 31 34.8 UEH054J95 K17H02U KC2017 04 22.86511210 26 12.95 +21 27 57.1 UEH054J95 K17H02U KC2017 04 22.87186610 25 57.84 +21 23 54.6 UEH054J95 K17H02U KC2017 04 22.87285 10 25 46.68 +21 24 31.3 17.7 GUEH054K38 K17H02U KC2017 04 22.87787310 25 44.44 +21 20 19.2 17.7 GUEH054J95 K17H02U KC2017 04 22.88148 10 25 27.27 +21 19 18.2 17.8 GUEH054K38 K17H02U KC2017 04 22.88204 10 25 33.49 +21 19 41.5 17.5 VUEH054958 K17H02U KC2017 04 22.88579 10 25 25.03 +21 17 26.6 17.8 VUEH054958 K17H02U KC2017 04 22.88955 10 25 16.55 +21 15 11.5 17.7 VUEH054958 K17H02U KC2017 04 22.90505910 24 43.67 +21 04 00.9 18.0 VqEH054Z80 K17H02U KC2017 04 22.90989110 24 32.98 +21 01 07.1 18.0 VqEH054Z80 K17H02U KC2017 04 22.91773 10 24 07.38 +20 57 26.1 UEH054204 K17H02U KC2017 04 22.91964 10 24 03.23 +20 56 17.0 UEH054204 K17H02U KC2017 04 22.92156 10 23 59.06 +20 55 07.5 17.6 GUEH054204 K17H02U KC2017 04 22.92170910 24 07.38 +20 54 01.9 18.0 VqEH054Z80 K17H02U KC2017 04 22.92347 10 23 54.92 +20 53 58.1 UEH054204 K17H02U KC2017 04 22.92539 10 23 50.76 +20 52 48.6 UEH054204 K17H02U KC2017 04 22.92600910 23 58.03 +20 51 27.5 18.2 VqEH054Z80 K17H02U KC2017 04 22.93031410 23 48.80 +20 48 53.0 17.8 VqEH054Z80 K17H02U KC2017 04 22.95762 10 22 40.43 +20 33 28.2 17.1 RuEH054107 K17H02U KC2017 04 22.96563 10 22 23.81 +20 28 37.6 17.0 RuEH054107 K17H02U KC2017 04 22.97443 10 22 05.68 +20 23 20.7 17.5 RuEH054107 K17H02U KC2017 04 22.98236 10 21 49.06 +20 18 44.8 17.3 SEH054104 K17H02U KC2017 04 22.98581 10 21 42.09 +20 16 40.1 17.7 SEH054104 K17H02U KC2017 04 22.98752 10 21 38.58 +20 15 38.2 17.6 SEH054104 K17H02U KC2017 04 22.98935 10 21 34.90 +20 14 32.1 17.8 SEH054104 K17H02U KC2017 04 23.08937 10 19 08.78 +19 20 18.0 17.9 VqEH054W25 K17H02U KC2017 04 23.09379 10 18 59.36 +19 17 46.9 18.3 VqEH054W25 K17H02U KC2017 04 23.09813 10 18 50.18 +19 15 18.2 18.0 VqEH054W25 K17H02U C2017 04 23.12498 10 18 17.05 +19 01 47.2 18.1 VqEH054I52 K17H02U C2017 04 23.12528 10 18 16.42 +19 01 37.1 17.9 VqEH054I52 K17H02U C2017 04 23.12558 10 18 15.79 +19 01 27.1 18.1 VqEH054I52 K17H02U C2017 04 23.12588 10 18 15.16 +19 01 17.1 18.2 VqEH054I52 K17H02U KC2017 04 23.12637410 17 53.79 +18 59 09.8 17.9 VuEH054H21 K17H02U KC2017 04 23.12843610 17 49.46 +18 57 59.4 18.0 VuEH054H21 K17H02U KC2017 04 23.13006310 17 46.06 +18 57 03.7 18.1 VuEH054H21 K17H02U C2017 04 23.13120 10 18 03.99 +18 58 33.9 17.9 RuEH054926 K17H02U KC2017 04 23.13169110 17 42.66 +18 56 07.9 18.1 VuEH054H21 K17H02U C2017 04 23.13291 10 18 00.36 +18 57 36.4 18.1 RuEH054926 K17H02U KC2017 04 23.13342910 17 39.04 +18 55 08.5 18.0 VuEH054H21 K17H02U C2017 04 23.16019 10 17 02.46 +18 42 18.2 18.2 RuEH054926 K17H02U C2017 04 23.16186 10 16 58.87 +18 41 21.3 17.9 RuEH054926 K17H02U C2017 04 23.16358 10 16 55.28 +18 40 24.0 17.8 RuEH054926 K17H02U C2017 04 23.16738 10 16 47.24 +18 38 14.8 18.1 RuEH054926 K17H02U C2017 04 23.16920 10 16 43.40 +18 37 13.8 18.1 RuEH054926 K17H02U C2017 04 23.17102 10 16 39.60 +18 36 12.6 18.4 RuEH054926 K17H02U C2017 04 23.17975 10 16 21.33 +18 31 18.5 18.3 RuEH054926 K17H02U C2017 04 23.18153 10 16 17.59 +18 30 18.0 18.0 RuEH054926 K17H02U C2017 04 23.18334 10 16 13.78 +18 29 16.7 18.2 RuEH054926 K17H02U C2017 04 23.30177 10 12 18.97 +17 22 40.1 18.2 RuEH054926 K17H02U C2017 04 23.30358 10 12 15.61 +17 21 39.2 18.0 RuEH054926 K17H02U C2017 04 23.30538 10 12 12.28 +17 20 38.1 18.3 RuEH054926 K17H02U C2017 04 23.30726 10 12 08.82 +17 19 35.3 18.2 RuEH054926 K17H02U C2017 04 23.30907 10 12 05.48 +17 18 34.5 18.2 RuEH054926 K17H02U C2017 04 23.31088 10 12 02.18 +17 17 33.8 17.9 RuEH054926 K17H02U KC2017 04 23.41889 10 09 50.43 +16 36 41.5 18.2 VqEH054E23 K17H02U KC2017 04 23.42723 10 09 34.31 +16 32 17.5 18.1 VqEH054E23 K17H02U KC2017 04 23.43556 10 09 18.32 +16 27 53.7 18.3 VqEH054E23Observer details:104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.107 Cavezzo. Observer R. Bonomi. 0.4-m f/5.5 reflector + CCD.204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector + CCD.703 Catalina Sky Survey. Observer D. C. Fuls. 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. 0.68-m Schmidt + 10K CCD.926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer M. Schwartz. 0.41-m f/3.75 astrograph + CCD, 0.81-m f/7 Ritchey-Chretien + CCD.958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer P. Dupouy. 0.43-m f/2.7 reflector + CCD.E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m f/8.9 reflector + 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 G. J. Leonard. 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.K38 M57 Observatory, Saltrio. Observer G. Baj. 0.30-m f/5.8 Ritchey-Chretien + CCD.K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R. Furgoni. Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.W25 RMS Observatory, Cincinnati. Observer B. Rowe. 0.35-m Schmidt-Cassegrain + CCD.Z80 Northolt Branch Observatory. Observer G. Wells. Measurer D. Bamberger. 0.25-m f/8 Ritchey-Chretien + CCD.Orbital elements:2017 HU2 EarthMOID = 0.0047 AUEpoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPCM 89.57008 (2000.0) P Qn 1.22827479 Peri. 5.57994 +0.77678021 -0.62708428a 0.8635199 Node 33.48049 +0.57365302 +0.66646054e 0.1711035 Incl. 6.04757 +0.25987443 +0.40323150P 0.80 H 25.9 G 0.15 U 6Residuals in seconds of arc170422 703 0.7- 1.2- 170422 J95 0.1- 0.0 170423 I52 0.3- 0.3-170422 703 0.4+ 0.1- 170422 J95 0.0 0.2+ 170423 I52 0.2- 0.3-170422 703 (5.7+ 6.3+) 170422 J95 0.1+ 0.0 170423 I52 0.0 0.2-170422 H01 0.3- 0.2- 170422 K38 (3.4- 5.7-) 170423 I52 0.1+ 0.1-170422 H01 0.4- 0.3- 170422 J95 0.1+ 0.2+ 170423 H21 0.3+ 0.1+170422 H01 0.2- 0.0 170422 K38 (3.5- 6.4-) 170423 H21 0.0 0.2+170422 H01 0.4- 0.0 170422 958 1.1- 1.1- 170423 H21 0.0 0.1+170422 I52 0.0 0.2+ 170422 958 0.8- 1.1- 170423 926 0.3+ 0.4+170422 I52 0.2- 0.1+ 170422 958 0.6- 0.9- 170423 H21 0.0 0.0170422 I52 0.4- 0.1+ 170422 Z80 0.9+ 0.6+ 170423 926 0.5+ 0.4+170422 I52 0.0 0.2+ 170422 Z80 0.8- 0.4+ 170423 H21 0.0 0.0170422 703 1.2+ 1.5+ 170422 204 0.2- 0.1- 170423 926 0.7+ 0.7+170422 703 0.3- 0.0 170422 204 0.2- 0.1- 170423 926 0.2- 0.0170422 703 0.4- 0.3- 170422 204 0.3- 0.0 170423 926 0.3+ 0.7+170422 I52 0.0 0.1+ 170422 Z80 0.6+ 0.0 170423 926 0.2- 0.4-170422 I52 0.4+ 0.1+ 170422 204 0.3- 0.2- 170423 926 0.3- 0.0170422 I52 0.0 0.0 170422 204 0.4- 0.2- 170423 926 0.0 0.2+170422 I52 0.3+ 0.3- 170422 Z80 0.1- 0.1+ 170423 926 0.4+ 0.6+170422 I52 0.1+ 0.2+ 170422 Z80 0.6+ 0.3+ 170423 926 0.1+ 0.1+170422 I52 0.1+ 0.4+ 170422 107 0.1- 0.7- 170423 926 0.3- 0.1-170422 I52 0.2- 0.1+ 170422 107 0.1+ 1.3- 170423 926 0.1+ 0.2+170422 I52 0.1- 0.3+ 170422 107 0.3- 0.2+ 170423 926 0.0 0.2+170422 K51 0.2+ 0.3+ 170422 104 0.1- 0.1+ 170423 926 0.1- 0.4-170422 K51 0.2+ 0.3+ 170422 104 0.2+ 0.0 170423 926 0.0 0.0170422 K51 0.0 0.0 170422 104 0.6- 0.1- 170423 926 0.2- 0.1+170422 K51 0.3+ 0.1+ 170422 104 0.5- 0.1- 170423 926 0.1+ 0.2+170422 K38 (4.5- 5.9-) 170423 W25 0.5- 0.3- 170423 E23 0.6+ 0.3-170422 K38 (4.2- 6.1-) 170423 W25 0.6- 0.1- 170423 E23 0.4- 0.1-170422 K38 (3.8- 6.0-) 170423 W25 0.0 0.1- 170423 E23 0.7- 0.1+Ephemeris:2017 HU2 a,e,i = 0.86, 0.17, 6 q = 0.7158Date TT R. A. (2000) Decl. Delta r Elong. Phase V2017 03 24 19 45 04.3 +31 13 55 0.06264 0.9769 69.6 107.0 23.8...2017 04 08 19 13 03.4 +37 30 39 0.03065 0.9987 84.5 93.8 21.7...2017 04 16 17 39 45.7 +49 54 47 0.01396 1.0060 100.1 79.1 19.4...2017 04 22 11 00 09.3 +30 49 55 0.0085591.0094 119.4 60.2 17.72017 04 23 10 21 58.4 +20 17 05 0.0095301.0098 116.7 62.8 18.02017 04 24 09 55 51.7 +11 42 36 0.01092 1.0101 113.3 66.2 18.4...2017 04 30 08 53 26.1 -11 03 23 0.02266 1.0109 98.6 80.1 20.5...2017 05 08 08 31 21.8 -19 03 35 0.04001 1.0094 89.1 88.6 22.1...2017 05 23 08 15 57.3 -23 35 03 0.07120 0.9983 76.6 99.5 23.8A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-H54
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