MPEC 2019-F11 : 2018 JP1
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M.P.E.C. 2019-F11 Issued 2019 Mar. 17, 17:19 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 JP1 Revision to MPEC 2018-J48 Additional Observations: K18J01P C2012 05 14.31745115 17 10.943+23 29 25.88 20.5 GVEF011F51 K18J01P C2012 05 14.32639915 17 09.322+23 29 12.72 20.7 GVEF011F51 K18J01P C2012 05 14.33805715 17 07.208+23 28 55.21 20.6 GVEF011F51 K18J01P C2012 05 14.34773515 17 05.463+23 28 40.86 20.7 GVEF011F51 K18J01P C2012 05 17.31618415 08 43.571+22 10 01.95 21.1 GVEF011F51 K18J01P C2012 05 17.32647415 08 41.795+22 09 45.03 20.9 GVEF011F51 K18J01P C2012 05 17.33686015 08 40.003+22 09 27.95 20.8 GVEF011F51 K18J01P C2012 05 17.34664815 08 38.340+22 09 11.80 20.8 GVEF011F51 K18J01P C2017 06 22.56069421 09 00.420-29 04 43.98 20.4 GVEF011F51 K18J01P C2017 06 22.57278321 09 00.432-29 05 12.74 20.6 GVEF011F51 K18J01P C2017 06 22.58486021 09 00.446-29 05 41.22 20.8 GVEF011F51 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T 120514 F51 0.03+ 0.02- 170622 F51 30.6+ 3.9- MPO457151 -0.00054 day Orbital elements: 2018 JP1 Earth MOID = 0.1688 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 55.93850 (2000.0) P Q n 0.82159228 Peri. 347.46739 +0.19195512 -0.93062630 a 1.1290118 Node 90.83426 +0.92517831 +0.06567438 e 0.2850238 Incl. 18.15703 +0.32741156 +0.36002996 P 1.20 H 20.8 G 0.15 U 2 Residuals in seconds of arc 120514 F51 0.0 0.2- 180509 711 1.2+ 0.0 180518 I52 0.1+ 0.1+ 120514 F51 0.1- 0.0 180510 033 0.1- 0.1+ 180518 I52 1.2- 0.4- 120514 F51 0.2- 0.2- 180510 033 0.2+ 0.2+ 180521 I52 0.1- 0.1- 120514 F51 0.1- 0.1- 180510 033 0.0 0.2+ 180521 I52 0.0 0.2- 120517 F51 0.2+ 0.1+ 180510 033 0.0 0.1+ 180521 I52 0.1- 0.2- 120517 F51 0.0 0.0 180510 I52 0.4- 0.2- 180521 I52 0.2- 0.3- 120517 F51 0.2- 0.1- 180510 I52 0.5- 0.1- 180522 G96 0.4+ 0.4- 120517 F51 0.0 0.1- 180510 I52 0.7- 0.2- 180522 G96 0.8- 0.1- 170622 F51 0.1+ 0.2+ 180510 I52 0.1- 0.3+ 180522 G96 0.5- 0.3+ 170622 F51 0.0 0.1- 180510 711 0.5+ 0.2- 180522 G96 0.0 0.2+ 170622 F51 0.1- 0.2- 180510 711 0.7+ 0.5+ 180523 I52 0.2- 0.3- 180508 G96 0.0 0.1- 180510 711 0.8+ 0.5+ 180523 I52 0.7- 0.2- 180508 G96 0.5- 0.4+ 180512 I52 0.2- 0.1+ 180523 I52 0.3- 0.1- 180508 G96 0.1- 0.3+ 180512 I52 0.3- 0.2+ 180524 V06 0.1+ 0.3- 180508 G96 0.2+ 0.1- 180512 I52 0.3- 0.5- 180524 V06 0.6- 0.2- 180508 033 0.2- 0.5+ 180512 I52 0.1- 0.0 180524 V06 0.2+ 0.4- 180508 033 0.0 0.2+ 180513 I52 0.3- 0.1+ 180524 V06 0.2- 0.4- 180508 033 0.0 0.1+ 180513 I52 0.0 0.4+ 180602 I52 0.1- 0.5+ 180508 033 0.2+ 0.1+ 180513 I52 0.1+ 0.6- 180602 I52 0.2- 0.2- 180508 033 0.1- 0.2+ 180513 I52 0.3+ 0.2+ 180602 I52 0.6+ 0.4+ 180509 H01 0.0 0.0 180515 I52 0.1+ 0.1- 180602 I52 0.9+ 0.4- 180509 H01 0.1+ 0.0 180515 I52 0.2+ 0.1+ 180608 691 0.3+ 0.1+ 180509 H01 0.1- 0.1+ 180515 I52 0.1- 0.3- 180608 691 0.3+ 0.1+ 180509 H01 0.0 0.0 180515 I52 0.1+ 0.2- 180608 691 0.3+ 0.4+ 180509 I52 0.1- 0.2- 180515 691 0.2- 0.3+ 180612 291 0.1- 0.4+ 180509 I52 0.1+ 0.4- 180515 691 0.7+ 0.1+ 180612 291 0.2+ 0.3+ 180509 I52 0.3- 0.1+ 180515 691 0.1- 0.7+ 180612 291 0.4+ 0.3- 180509 711 0.7+ 0.2- 180518 I52 0.3- 0.2+ 180509 711 1.1+ 0.3- 180518 I52 0.2+ 0.1- Ephemeris: 2018 JP1 a,e,i = 1.13, 0.29, 18 q = 0.8072 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2019 02 15 00 50 32.3 +01 04 20 1.0555 0.8078 46.4 62.4 22.7 ... 2019 03 02 01 49 07.0 +12 53 38 0.9742 0.8165 49.1 66.5 22.6 ... 2019 03 10 02 22 25.4 +19 16 21 0.9399 0.8324 50.9 67.8 22.7 ... 2019 03 16 02 48 56.5 +23 54 48 0.9192 0.8488 52.5 68.3 22.7 2019 03 17 02 53 31.1 +24 39 58 0.9162 0.8519 52.8 68.4 22.7 2019 03 18 02 58 08.5 +25 24 41 0.9133 0.8550 53.0 68.4 22.7 ... 2019 03 24 03 26 59.4 +29 41 47 0.8988 0.8757 54.7 68.3 22.7 ... 2019 04 01 04 08 44.9 +34 45 08 0.8870 0.9071 57.1 67.7 22.7 ... 2019 04 16 05 37 20.1 +41 17 57 0.8875 0.9740 61.7 65.0 22.8 A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-F11


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