MPEC 2018-C100: 2018 CQ3
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M.P.E.C. 2018-C100 Issued 2018 Feb. 13, 21:31 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 the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 2018 CQ3 Observations: K18C03Q* C2018 02 11.20513 07 52 22.49 +22 33 09.5 19.6 GUEC100G96 K18C03Q C2018 02 11.21026 07 52 24.13 +22 33 31.3 19.7 GUEC100G96 K18C03Q C2018 02 11.21540 07 52 25.71 +22 33 52.5 19.4 GUEC100G96 K18C03Q C2018 02 11.22054 07 52 27.32 +22 34 13.8 19.4 GUEC100G96 K18C03Q C2018 02 11.30789 07 52 54.67 +22 40 04.9 19.9 GUEC100I52 K18C03Q C2018 02 11.31067 07 52 55.53 +22 40 16.1 18.6 GUEC100I52 K18C03Q C2018 02 11.31267 07 52 56.23 +22 40 23.3 19.9 GUEC100I52 K18C03Q C2018 02 11.31291 07 52 56.25 +22 40 24.5 18.8 GUEC100I52 K18C03Q KC2018 02 11.76729 07 55 58.03 +23 09 45.4 19.7 VSEC100L01 K18C03Q KC2018 02 11.76907 07 55 58.62 +23 09 52.8 19.5 VSEC100L01 K18C03Q KC2018 02 11.77114 07 55 59.35 +23 10 01.2 19.5 VSEC100L01 K18C03Q KC2018 02 11.77321 07 56 00.01 +23 10 09.6 19.5 VSEC100L01 K18C03Q KC2018 02 11.84217 07 56 24.01 +23 14 27.9 UEC100J95 K18C03Q KC2018 02 11.84498 07 56 24.94 +23 14 39.2 UEC100J95 K18C03Q KC2018 02 11.85035 07 56 26.70 +23 15 00.9 19.7 GUEC100J95 K18C03Q KC2018 02 11.85503 07 56 26.61 +23 15 38.9 19.7 VqEC100595 K18C03Q KC2018 02 11.86963 07 56 31.32 +23 16 37.0 19.7 VqEC100595 K18C03Q KC2018 02 11.88423 07 56 35.94 +23 17 34.4 20.3 VqEC100595 K18C03Q KC2018 02 11.89973 07 56 41.05 +23 18 38.3 18.7 RUEC100K65 K18C03Q KC2018 02 11.93082 07 56 50.85 +23 20 37.8 20.4 RUEC100K65 K18C03Q HC2018 02 12.20473 07 58 36.49 +23 38 38.0 oEC100691 K18C03Q HC2018 02 12.21258 07 58 38.86 +23 39 08.8 oEC100691 K18C03Q C2018 02 12.47241 08 00 04.945+23 55 40.98 20.1 wUEC100F51 K18C03Q C2018 02 12.48420 08 00 08.570+23 56 21.60 20.0 wUEC100F51 K18C03Q C2018 02 12.49601 08 00 12.246+23 57 01.98 20.1 wUEC100F51 K18C03Q C2018 02 12.50399 08 00 27.28 +23 57 04.3 19.5 RoEC100P93 K18C03Q C2018 02 12.50728 08 00 28.29 +23 57 17.1 19.6 RoEC100P93 K18C03Q C2018 02 12.50893 08 00 28.78 +23 57 23.6 19.6 RoEC100P93 K18C03Q C2018 02 12.51222 08 00 29.74 +23 57 36.2 19.5 RoEC100P93 K18C03Q C2018 02 12.51386 08 00 30.30 +23 57 42.3 19.7 RoEC100P93 K18C03Q KC2018 02 12.79157 08 02 13.27 +24 13 42.6 19.4 RqEC100A17 K18C03Q KC2018 02 12.80858 08 02 18.79 +24 14 46.9 19.5 RqEC100A17 K18C03Q KC2018 02 12.82319 08 02 23.47 +24 15 41.8 19.5 RqEC100A17 K18C03Q KC2018 02 12.98128 08 03 12.68 +24 25 07.8 19.3 RUEC100K87 K18C03Q KC2018 02 12.98244 08 03 13.06 +24 25 12.1 19.2 RUEC100K87 K18C03Q KC2018 02 13.00372 08 03 19.78 +24 26 24.3 19.3 RUEC100K87 K18C03Q C2018 02 13.27233 08 05 06.875+24 43 21.51 20.0 wUEC100F51 K18C03Q C2018 02 13.28376 08 05 10.267+24 44 03.56 20.1 wUEC100F51 K18C03Q C2018 02 13.56851 08 06 45.07 +24 59 46.7 19.9 RrEC100P93 K18C03Q C2018 02 13.57451 08 06 46.78 +25 00 06.7 19.7 RrEC100P93 K18C03Q C2018 02 13.58053 08 06 48.55 +25 00 26.9 19.8 RrEC100P93 K18C03Q C2018 02 13.58653 08 06 50.26 +25 00 46.6 19.7 RrEC100P93 K18C03Q KC2018 02 13.78890 08 08 07.81 +25 11 09.5 19.6 RUEC100K74 K18C03Q KC2018 02 13.79723 08 08 10.41 +25 11 38.7 19.4 RUEC100K74 K18C03Q KC2018 02 13.80155 08 08 11.78 +25 11 53.8 19.6 RUEC100K74 K18C03Q KC2018 02 13.82147 08 08 17.96 +25 13 03.2 19.4 RUEC100K74 K18C03Q KC2018 02 13.83197 08 08 21.62 +25 13 53.9 UEC100K63 K18C03Q KC2018 02 13.83562 08 08 22.69 +25 14 06.1 19.3 UEC100K63 K18C03Q KC2018 02 13.85724 08 08 29.10 +25 15 20.7 19.0 UEC100K63 Observer details: 595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.0 reflector + CCD. 691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector + CCD. A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert. 0.36-m f/6 Schmidt-Cassegrain + 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. G96 Mt. Lemmon 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. 1.5-m reflector + 10K CCD. I52 Steward Observatory, Mt. Lemmon Station. Observer J. A. Johnson. 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. K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m f/3.2 Newtonian reflector + CCD. K65 Cesena. Observer V. Tinella. 0.40-m f/7 Schmidt-Cassegrain + CCD. K74 Muensterschwarzach Observatory, Schwarzach. Observer C. Gerhard. 0.30-m f/3.75 Newtonian reflector + CCD. K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.30-m 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, A. Asami. 1.0-m f/3.0 reflector + CCD. Orbital elements: 2018 CQ3 Earth MOID = 0.0318 AU Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC M 62.65913 (2000.0) P Q n 0.78037227 Peri. 319.23172 -0.15855788 -0.98632120 a 1.1684268 Node 139.83179 +0.92305151 -0.16427569 e 0.1454589 Incl. 4.00526 +0.35047868 -0.01356451 P 1.26 H 25.1 G 0.15 U 6 Residuals in seconds of arc 180211 G96 0.3- 0.2- 180211 595 0.2+ 0.4+ 180212 K87 0.5+ 0.1- 180211 G96 0.1+ 0.3+ 180211 K65 0.1+ 0.9- 180213 K87 0.5+ 0.3- 180211 G96 0.3- 0.1+ 180211 K65 0.1+ 0.8- 180213 F51 0.0 0.0 180211 G96 0.3- 0.2+ 180212 691 0.0 0.3- 180213 F51 0.0 0.0 180211 I52 0.0 0.1+ 180212 691 0.1- 0.2+ 180213 P93 0.6+ 0.5+ 180211 I52 0.2- 0.5+ 180212 F51 0.0 0.0 180213 P93 0.2+ 0.3+ 180211 I52 0.7+ 0.1- 180212 F51 0.1- 0.0 180213 P93 0.5+ 0.3+ 180211 I52 0.1- 0.1+ 180212 F51 0.1- 0.1+ 180213 P93 0.1+ 0.0 180211 L01 0.2- 0.1+ 180212 P93 0.3+ 0.3- 180213 K74 0.3- 0.1- 180211 L01 0.3- 0.1+ 180212 P93 0.4+ 0.0 180213 K74 0.5- 0.1- 180211 L01 0.3+ 0.0 180212 P93 0.2+ 0.2+ 180213 K74 0.2- 0.1- 180211 L01 0.2- 0.1- 180212 P93 0.4- 0.3+ 180213 K74 0.2- 0.1+ 180211 J95 0.1+ 0.0 180212 P93 0.4+ 0.1+ 180213 K63 0.4+ 0.1+ 180211 J95 0.1+ 0.0 180212 A17 0.3- 0.0 180213 K63 0.0 0.3- 180211 J95 0.2- 0.0 180212 A17 0.1- 0.1- 180213 K63 0.9- 0.3+ 180211 595 0.4- 0.2- 180212 A17 0.1- 0.1- 180211 595 0.4+ 0.2+ 180212 K87 0.3+ 0.4- Ephemeris: 2018 CQ3 a,e,i = 1.17, 0.15, 4 q = 0.9985 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 01 14 04 24 14.9 -26 35 00 0.04428 1.0013 112.3 65.3 20.6 ... 2018 01 29 06 14 55.1 +00 10 57 0.03803 1.0139 139.1 39.5 19.6 ... 2018 02 06 07 16 52.9 +15 26 01 0.04325 1.0241 151.0 27.8 19.6 ... 2018 02 12 07 57 17.7 +23 26 03 0.05103 1.0331 153.6 25.1 19.9 2018 02 13 08 03 22.5 +24 27 27 0.05259 1.0347 153.6 25.1 19.9 2018 02 14 08 09 15.7 +25 24 00 0.05423 1.0363 153.5 25.1 20.0 ... 2018 02 20 08 40 43.3 +29 34 12 0.06530 1.0467 151.8 26.5 20.5 ... 2018 02 28 09 13 43.4 +32 12 32 0.08291 1.0619 148.3 29.4 21.1 ... 2018 03 15 09 56 41.0 +32 20 10 0.1231 1.0937 141.7 34.3 22.2 A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C100


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