MPEC 2019-Y74 : 2019 YH2
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M.P.E.C. 2019-Y74 Issued 2019 December 23, 00:36 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 2019 YH2 Observations: K19Y02H* C2019 12 21.34026 07 36 29.49 +02 49 50.9 19.6 GVEY074G96 K19Y02H C2019 12 21.34537 07 36 30.13 +02 49 38.0 19.5 GVEY074G96 K19Y02H C2019 12 21.35555 07 36 31.43 +02 49 11.2 19.0 GVEY074G96 K19Y02H C2019 12 21.45247 07 36 43.43 +02 45 01.1 19.7 GVEY074I52 K19Y02H C2019 12 21.45451 07 36 43.71 +02 44 55.6 19.3 GVEY074I52 K19Y02H C2019 12 21.45601 07 36 43.88 +02 44 52.0 19.2 GVEY074I52 K19Y02H C2019 12 21.45750 07 36 44.08 +02 44 47.8 19.5 GVEY074I52 K19Y02H C2019 12 21.89171 07 37 59.12 +02 24 56.7 19.5 VVEY074033 K19Y02H C2019 12 21.89240 07 37 59.24 +02 24 54.8 19.4 VVEY074033 K19Y02H C2019 12 21.92906907 38 07.202+02 23 39.92 19.9 GVEY074J04 K19Y02H C2019 12 21.92982407 38 07.310+02 23 37.97 19.8 GVEY074J04 K19Y02H C2019 12 21.93057907 38 07.439+02 23 35.31 19.3 GVEY074J04 K19Y02H IC2019 12 21.95481607 38 08.58 +02 22 07.3 19.3 GVEY074L01 K19Y02H KC2019 12 21.95677307 38 08.83 +02 22 02.0 19.2 GVEY074L01 K19Y02H KC2019 12 21.95833907 38 09.05 +02 21 57.5 19.5 GVEY074L01 K19Y02H KC2019 12 22.19145207 38 50.11 +02 10 58.1 19.1 VuEY074H21 K19Y02H KC2019 12 22.19436007 38 50.54 +02 10 49.7 19.5 VuEY074H21 K19Y02H KC2019 12 22.19726707 38 50.96 +02 10 41.2 19.4 VuEY074H21 K19Y02H KC2019 12 22.20017507 38 51.40 +02 10 32.8 19.5 VuEY074H21 K19Y02H KC2019 12 22.20172707 38 51.64 +02 10 28.3 19.5 VuEY074H21 K19Y02H KC2019 12 22.26832 07 39 02.95 +02 07 25.1 oEY074711 K19Y02H KC2019 12 22.27095 07 39 03.35 +02 07 17.4 oEY074711 K19Y02H KC2019 12 22.27360 07 39 03.73 +02 07 09.7 oEY074711 K19Y02H C2019 12 22.49567507 39 36.80 +01 55 57.8 19.1 GVEY074H01 K19Y02H C2019 12 22.50150407 39 37.73 +01 55 39.9 19.1 GVEY074H01 K19Y02H C2019 12 22.50956507 39 39.02 +01 55 15.1 19.1 GVEY074H01 K19Y02H C2019 12 22.51664907 39 40.16 +01 54 53.4 19.3 GVEY074H01 K19Y02H C2019 12 22.95552 07 41 11.95 +01 31 47.1 18.2 RVEY074J04 K19Y02H C2019 12 22.95615 07 41 12.05 +01 31 45.1 18.4 RVEY074J04 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C. Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 711 McDonald Observatory, Fort Davis. Observer J. G. Ries. 2.1-m reflector + CCD + focal reducer. G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 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. 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. Observer D. Rankin. Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector + CCD. J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers M. Micheli, D. Koschny, M. Busch, A. Knofel, E. Schwab. 1.0-m f/4.4 reflector + CCD. L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector + CCD. Orbital elements: 2019 YH2 Earth MOID = 0.0126 AU Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell M 74.06404 (2000.0) P Q n 0.81542234 Peri. 91.24620 -0.93247384 +0.34926768 a 1.1346998 Node 109.20233 -0.35793017 -0.85885477 e 0.4392772 Incl. 5.60408 -0.04877025 -0.37467396 P 1.21 H 23.2 G 0.15 U 8 Residuals in seconds of arc 191221 G96 0.2- 0.0 191221 J04 0.1- 0.0 191222 711 0.7- 0.1+ 191221 G96 0.0 0.2+ 191221 J04 0.1+ 0.6- 191222 711 0.5- 0.1+ 191221 G96 0.7+ 0.5- 191221 L01 0.5+ 0.3- 191222 711 0.6- 0.2+ 191221 I52 0.3- 0.3+ 191221 L01 0.1+ 0.1- 191222 H01 0.1+ 0.0 191221 I52 0.0 0.1+ 191221 L01 0.0 0.2- 191222 H01 0.2+ 0.0 191221 I52 0.3- 0.4+ 191222 H21 0.3+ 0.2+ 191222 H01 0.2+ 0.1- 191221 I52 0.2- 0.1+ 191222 H21 0.1+ 0.2+ 191222 H01 0.1+ 0.0 191221 033 0.2+ 0.3- 191222 H21 0.1- 0.2+ 191222 J04 0.1+ 0.1- 191221 033 0.5+ 0.3- 191222 H21 0.1- 0.2+ 191222 J04 0.1- 0.0 191221 J04 0.1+ 0.1- 191222 H21 0.0 0.2+ Ephemeris: 2019 YH2 a,e,i = 1.13, 0.44, 6 q = 0.6363 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2019 11 23 07 01 07.1 +10 40 03 0.3630 1.2654 133.5 34.5 22.9 ... 2019 12 08 07 16 32.1 +07 57 43 0.2184 1.1675 143.3 30.3 21.5 ... 2019 12 16 07 26 15.0 +05 36 58 0.1474 1.1109 147.2 28.7 20.5 ... 2019 12 22 07 38 14.0 +02 21 05 0.09656 1.0667 147.9 29.4 19.5 2019 12 23 07 41 15.6 +01 30 08 0.08831 1.0592 147.5 29.9 19.4 2019 12 24 07 44 50.0 +00 29 44 0.08012 1.0517 147.0 30.6 19.1 ... 2019 12 30 08 40 39.6 -14 47 52 0.03380 1.0058 130.9 47.7 17.7 ... 2020 01 07 17 49 07.2 -28 55 01 0.04244 0.9432 19.0 160.1 27.2 ... 2020 01 22 18 54 04.3 -15 28 24 0.1700 0.8257 19.4 156.7 28.9 A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-Y74


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