MPEC 2019-J09 : 2019 HK4
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M.P.E.C. 2019-J09 Issued 2019 May 3, 04:05 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 HK4 Observations: K19H04K* C2019 04 27.43308 16 25 46.26 +23 05 28.2 20.9 GVEJ009G96 K19H04K C2019 04 27.43824 16 25 45.29 +23 05 23.4 20.8 GVEJ009G96 K19H04K C2019 04 27.44340 16 25 44.35 +23 05 18.5 20.6 GVEJ009G96 K19H04K C2019 04 27.44856 16 25 43.39 +23 05 14.0 20.5 GVEJ009G96 K19H04K pC2019 04 27.98068116 24 09.30 +22 56 38.5 21.0 GVEJ009L01 K19H04K pC2019 04 27.98225516 24 09.01 +22 56 37.0 21.1 GVEJ009L01 K19H04K pC2019 04 27.98698516 24 08.07 +22 56 29.6 21.1 GVEJ009L01 K19H04K C2019 04 28.20102816 23 29.81 +22 52 57.1 20.6 GVEJ009H01 K19H04K C2019 04 28.20546016 23 28.97 +22 52 52.7 21.1 GVEJ009H01 K19H04K C2019 04 28.21442516 23 27.27 +22 52 44.1 20.8 GVEJ009H01 K19H04K C2019 04 28.22553716 23 25.15 +22 52 33.1 20.7 GVEJ009H01 K19H04K C2019 04 28.39325 16 22 52.65 +22 49 44.6 20.6 GVEJ009I52 K19H04K C2019 04 28.39492 16 22 52.31 +22 49 42.9 20.7 GVEJ009I52 K19H04K C2019 04 28.39659 16 22 51.98 +22 49 40.9 20.6 GVEJ009I52 K19H04K C2019 04 28.39826 16 22 51.66 +22 49 39.4 20.2 GVEJ009I52 K19H04K C2019 04 29.21504616 20 15.10 +22 34 42.2 20.4 GVEJ009H01 K19H04K C2019 04 29.21989416 20 14.12 +22 34 36.8 20.7 GVEJ009H01 K19H04K C2019 04 29.22987416 20 12.06 +22 34 25.8 20.9 GVEJ009H01 K19H04K C2019 04 29.23656216 20 10.70 +22 34 18.3 20.8 GVEJ009H01 K19H04K C2019 04 29.27111 16 20 03.74 +22 33 40.3 20.1 GVEJ009I52 K19H04K C2019 04 29.27236 16 20 03.37 +22 33 39.1 20.6 GVEJ009I52 K19H04K C2019 04 29.27438 16 20 02.96 +22 33 36.1 20.7 GVEJ009I52 K19H04K C2019 04 29.27562 16 20 02.71 +22 33 35.1 21.1 GVEJ009I52 K19H04K 1C2019 04 29.27807 16 20 02.19 +22 33 25.5 LEJ009658 K19H04K 1C2019 04 29.27904 16 20 01.99 +22 33 24.4 LEJ009658 K19H04K 1C2019 04 29.28000 16 20 01.80 +22 33 23.2 LEJ009658 K19H04K 1C2019 04 29.28097 16 20 01.60 +22 33 22.1 LEJ009658 K19H04K 1C2019 04 29.28197 16 20 01.41 +22 33 21.0 LEJ009658 K19H04K 1C2019 04 29.28294 16 20 01.21 +22 33 19.9 LEJ009658 K19H04K 1C2019 04 29.28391 16 20 01.02 +22 33 18.7 LEJ009658 K19H04K KC2019 04 29.86512 16 18 02.59 +22 21 41.8 20.4 GVEJ009587 K19H04K KC2019 04 29.87038 16 18 01.46 +22 21 35.6 VEJ009587 K19H04K KC2019 04 29.87249 16 18 00.99 +22 21 33.0 VEJ009587 K19H04K KC2019 04 29.92731 16 17 49.38 +22 20 27.7 20.4 VqEJ009I93 K19H04K KC2019 04 29.93850 16 17 46.97 +22 20 13.1 20.4 VqEJ009I93 K19H04K KC2019 04 29.93868 16 17 46.51 +22 20 14.2 20.0 RoEJ009K88 K19H04K KC2019 04 29.94607 16 17 45.37 +22 20 02.1 20.5 VqEJ009I93 K19H04K KC2019 04 29.94939 16 17 44.23 +22 20 01.5 20.1 RoEJ009K88 K19H04K C2019 04 29.95786 16 17 42.55 +22 19 48.7 19.8 VVEJ009033 K19H04K C2019 04 29.96142 16 17 41.71 +22 19 44.2 19.5 VVEJ009033 K19H04K C2019 04 29.96513 16 17 40.89 +22 19 39.5 19.9 VVEJ009033 K19H04K C2019 04 29.96870 16 17 40.16 +22 19 35.3 19.7 VVEJ009033 K19H04K C2019 04 30.03995 16 17 24.60 +22 18 06.3 19.8 VVEJ009033 K19H04K C2019 04 30.04348 16 17 23.86 +22 18 02.0 19.7 VVEJ009033 K19H04K C2019 04 30.04700 16 17 23.10 +22 17 57.6 19.7 VVEJ009033 K19H04K KC2019 04 30.07588616 17 17.06 +22 17 20.7 20.6 GVEJ009J95 K19H04K KC2019 04 30.08774916 17 14.40 +22 17 05.4 20.7 GVEJ009J95 K19H04K KC2019 04 30.09980916 17 11.79 +22 16 50.8 20.5 GVEJ009J95 K19H04K 1C2019 04 30.28230 16 16 33.87 +22 12 56.1 LEJ009658 K19H04K 1C2019 04 30.28414 16 16 33.46 +22 12 53.8 LEJ009658 K19H04K 1C2019 04 30.28600 16 16 33.05 +22 12 51.3 LEJ009658 K19H04K 1C2019 04 30.28784 16 16 32.64 +22 12 48.9 LEJ009658 K19H04K 1C2019 04 30.28968 16 16 32.23 +22 12 46.5 LEJ009658 K19H04K 1C2019 04 30.29152 16 16 31.84 +22 12 44.0 LEJ009658 K19H04K 1C2019 04 30.29336 16 16 31.44 +22 12 41.4 LEJ009658 K19H04K KC2019 04 30.83500716 14 33.16 +22 00 33.7 20.4 GVEJ009K41 K19H04K KC2019 04 30.84285016 14 31.38 +22 00 22.7 21.7 GVEJ009K41 K19H04K KC2019 04 30.85332716 14 29.07 +22 00 08.9 21.3 GVEJ009K41 K19H04K C2019 04 30.93671 16 14 09.78 +21 58 13.9 20.2 VVEJ009033 K19H04K C2019 04 30.93943 16 14 09.11 +21 58 10.0 20.4 VVEJ009033 K19H04K C2019 04 30.94214 16 14 08.49 +21 58 06.2 19.9 VVEJ009033 K19H04K C2019 04 30.94494 16 14 07.82 +21 58 02.1 20.0 VVEJ009033 K19H04K C2019 04 30.94766 16 14 07.21 +21 57 58.7 19.5 VVEJ009033 K19H04K C2019 04 30.95037 16 14 06.62 +21 57 55.1 19.6 VVEJ009033 K19H04K KC2019 05 01.05372 16 13 42.47 +21 55 31.4 21.2 GVEJ009K87 K19H04K KC2019 05 01.05447 16 13 42.29 +21 55 30.3 21.1 GVEJ009K87 K19H04K KC2019 05 01.05522 16 13 42.11 +21 55 28.7 20.4 GVEJ009K87 K19H04K C2019 05 01.05898 16 13 41.21 +21 55 22.7 19.8 VVEJ009033 K19H04K C2019 05 01.06153 16 13 40.61 +21 55 19.1 19.8 VVEJ009033 K19H04K C2019 05 01.06407 16 13 40.05 +21 55 15.8 20.3 VVEJ009033 K19H04K C2019 05 01.06675 16 13 39.43 +21 55 11.7 20.8 VVEJ009033 K19H04K HC2019 05 01.08437 16 13 35.31 +21 54 49.0 VEJ009204 K19H04K KC2019 05 01.09559 16 13 32.63 +21 54 32.6 20.5 GVEJ009204 K19H04K KC2019 05 01.10684 16 13 29.99 +21 54 16.9 VEJ009204 K19H04K C2019 05 01.25596 16 12 57.44 +21 50 46.6 20.3 GVEJ009I52 K19H04K C2019 05 01.25672 16 12 57.19 +21 50 45.6 19.9 GVEJ009I52 K19H04K C2019 05 01.25748 16 12 57.04 +21 50 44.9 20.2 GVEJ009I52 K19H04K C2019 05 01.25825 16 12 56.89 +21 50 44.0 19.9 GVEJ009I52 K19H04K 1C2019 05 01.28512 16 12 50.55 +21 49 57.9 LEJ009658 K19H04K 1C2019 05 01.28692 16 12 50.11 +21 49 55.3 LEJ009658 K19H04K 1C2019 05 01.28785 16 12 49.90 +21 49 54.0 LEJ009658 K19H04K 1C2019 05 01.28875 16 12 49.69 +21 49 52.7 LEJ009658 K19H04K 1C2019 05 01.28965 16 12 49.48 +21 49 51.4 LEJ009658 K19H04K KC2019 05 01.94470 16 10 14.42 +21 33 23.6 20.7 RoEJ009K88 K19H04K KC2019 05 01.95041 16 10 13.00 +21 33 14.9 20.3 RoEJ009K88 K19H04K KC2019 05 01.95612 16 10 11.61 +21 33 05.9 20.6 RoEJ009K88 K19H04K KC2019 05 01.97242016 10 07.92 +21 32 38.5 20.7 GVEJ009J95 K19H04K KC2019 05 01.97879216 10 06.35 +21 32 27.9 20.3 GVEJ009J95 K19H04K KC2019 05 01.98510416 10 04.75 +21 32 18.5 20.3 GVEJ009J95 K19H04K KC2019 05 02.05775 16 09 46.27 +21 30 24.7 20.1 GVEJ009K87 K19H04K KC2019 05 02.05812 16 09 46.19 +21 30 24.3 19.8 GVEJ009K87 K19H04K KC2019 05 02.05850 16 09 46.09 +21 30 23.7 20.1 GVEJ009K87 K19H04K C2019 05 02.30319 16 08 46.93 +21 23 57.2 20.4 GVEJ009I52 K19H04K C2019 05 02.30396 16 08 46.75 +21 23 56.7 20.2 GVEJ009I52 K19H04K C2019 05 02.30679 16 08 46.07 +21 23 52.3 20.9 GVEJ009I52 K19H04K C2019 05 02.30848 16 08 45.56 +21 23 49.2 VEJ009I52 Observer details: 033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD. 204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD. 587 Sormano. Observers A. Butti, L. Iachelini, A. Mahu, L. Molteni. Measurer L. Molteni. 0.5-m f/6.8 reflector + CCD. 658 National Research Council of Canada. Observer D. D. Balam. 1.82-m reflector + CCD. G96 Mt. Lemmon Survey. Observer B. M. Africano. Measurers B. M. Africano, 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. 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. I52 Steward Observatory, Mt. Lemmon Station. Observers D. C. Fuls, H. Groeller, B. M. Africano, G. J. Leonard. Measurers B. M. Africano, 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. 1.0-m reflector + CCD. I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD. J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD. K41 Vegaquattro Astronomical Observatory, Novi Ligure. Observer V. Luna. 0.3-m Schmidt-Cassegrain + CCD. K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.30-m Schmidt-Cassegrain + CCD. K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 1.02-m Ritchey-Chretien + CCD. L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Valentine. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD. Orbital elements: 2019 HK4 Earth MOID = 0.1218 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 285.91399 (2000.0) P Q n 0.69095382 Peri. 271.00359 +0.66181145 +0.54550700 a 1.2671753 Node 56.15038 -0.14164207 +0.76456923 e 0.3118333 Incl. 38.25583 -0.73616786 +0.34330161 P 1.43 H 21.0 G 0.15 U 8 Residuals in seconds of arc 190427 G96 0.6+ 0.0 190429 587 0.7+ 0.9- 190501 K87 0.1- 0.5+ 190427 G96 0.3+ 0.0 190429 I93 0.0 0.3+ 190501 K87 0.2- 0.4+ 190427 G96 0.4+ 0.0 190429 I93 0.1- 0.8- 190501 K87 0.2- 0.1- 190427 G96 0.2+ 0.3+ 190429 K88 0.4- 0.3+ 190501 033 0.1- 0.3- 190427 L01 1.2- 0.8+ 190429 I93 0.3+ 2.6- 190501 033 0.1- 0.2- 190427 L01 1.1- 0.8+ 190429 K88 0.2+ 0.8+ 190501 033 0.4+ 0.1+ 190427 L01 1.7- 1.9- 190429 033 0.7+ 0.0 190501 033 0.6+ 0.2- 190428 H01 0.2+ 0.0 190429 033 0.2- 0.1- 190501 204 0.4+ 0.1+ 190428 H01 0.1+ 0.1- 190429 033 0.5- 0.3- 190501 204 0.1- 0.2- 190428 H01 0.1+ 0.0 190429 033 0.1+ 0.1- 190501 204 0.1+ 0.3+ 190428 H01 0.0 0.1- 190430 033 0.4- 0.2- 190501 I52 0.5- 0.0 190428 I52 0.3+ 0.0 190430 033 0.1+ 0.1- 190501 I52 1.5- 0.1+ 190428 I52 0.1+ 0.0 190430 033 0.2+ 0.0 190501 I52 1.0- 0.5+ 190428 I52 0.1+ 0.2- 190430 J95 0.4+ 0.2- 190501 I52 0.6- 0.7+ 190428 I52 0.3+ 0.0 190430 J95 0.4- 0.4- 190501 658 0.0 0.5+ 190429 H01 0.0 0.0 190430 J95 0.1+ 0.3+ 190501 658 0.2- 0.4+ 190429 H01 0.1+ 0.0 190430 658 0.6- 0.8+ 190501 658 0.0 0.5+ 190429 H01 0.1- 0.0 190430 658 0.6- 0.9+ 190501 658 0.0 0.4+ 190429 H01 0.1+ 0.1- 190430 658 0.6- 0.7+ 190501 658 0.1+ 0.4+ 190429 I52 1.2+ 0.1+ 190430 658 0.7- 0.6+ 190501 K88 0.2- 0.1- 190429 I52 0.3- 0.3+ 190430 658 0.7- 0.6+ 190501 K88 0.2- 0.1+ 190429 I52 0.2- 0.4- 190430 658 0.5- 0.4+ 190501 K88 0.3+ 0.1- 190429 I52 0.1- 0.0 190430 658 0.4- 0.1+ 190501 J95 0.1+ 0.4+ 190429 658 0.0 0.5+ 190430 K41 0.0 0.1+ 190501 J95 0.3+ 0.4- 190429 658 0.0 0.5+ 190430 K41 0.1- 0.4- 190501 J95 0.1- 0.0 190429 658 0.1+ 0.4+ 190430 K41 0.7+ 0.2- 190502 K87 0.7- 0.5- 190429 658 0.1+ 0.4+ 190430 033 0.5+ 0.0 190502 K87 0.5- 0.4- 190429 658 0.3+ 0.4+ 190430 033 0.1- 0.1- 190502 K87 0.5- 0.3- 190429 658 0.3+ 0.4+ 190430 033 0.0 0.2- 190502 I52 0.1+ 0.7- 190429 658 0.4+ 0.3+ 190430 033 0.3- 0.4- 190502 I52 0.4+ 0.0 190429 587 1.2+ 1.0- 190430 033 0.0 0.1- 190502 I52 1.1+ 0.2+ 190429 587 1.0+ 0.9- 190430 033 0.6+ 0.0 190502 I52 0.0 0.2- Ephemeris: 2019 HK4 a,e,i = 1.27, 0.31, 38 q = 0.8720 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2019 04 03 16 54 10.6 +24 27 41 0.6472 1.3873 113.0 41.5 22.4 ... 2019 04 18 16 45 12.6 +24 28 23 0.4714 1.3222 123.2 39.5 21.5 ... 2019 04 26 16 29 44.3 +23 25 51 0.3811 1.2853 130.2 36.7 20.9 ... 2019 05 02 16 10 00.7 +21 32 11 0.3172 1.2568 136.5 33.5 20.4 2019 05 03 16 05 49.7 +21 04 25 0.3070 1.2520 137.6 32.8 20.3 2019 05 04 16 01 20.8 +20 33 25 0.2970 1.2471 138.8 32.2 20.2 ... 2019 05 10 15 27 16.3 +15 59 13 0.2417 1.2179 146.2 27.5 19.6 ... 2019 05 18 14 18 53.5 +04 08 26 0.1889 1.1782 149.6 25.7 18.9 ... 2019 06 02 11 30 13.0 -26 43 53 0.2028 1.1031 111.0 59.1 19.9 A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-J09


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