MPEC 2023-H123 : 2016 JB6
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M.P.E.C. 2023-H123 Issued 2023 April 21, 14:05 UT The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. 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 2016 JB6 Revision to MPEC 2016-J58 Additional Observations: K16J06B 0C2023 03 20.56060716 34 30.256-11 39 08.82 23.23GVEH123T12 K16J06B 0C2023 03 25.62496016 46 22.196-11 58 02.27 22.97GVEH123T12 K16J06B C2023 03 28.61226316 53 34.003-12 09 02.65 22.15GVEH123F51 K16J06B C2023 03 28.62475416 53 35.782-12 09 05.59 21.91GVEH123F51 K16J06B C2023 03 28.63563116 53 37.345-12 09 07.84 21.72GVEH123F51 K16J06B 2C2023 04 20.15173417 54 49.382-13 40 04.47 XEH123J04 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD. J04 ESA Optical Ground Station, Tenerife. Observers D. Abreu, F. Ocana, M. Micheli, L. Conversi. Measurers M. Micheli, F. Ocana, R. Kresken, M. Busch, E. Schwab, A. Knofel. 1.0-m f/4.4 reflector + CCD. T12 University of Hawaii 88-inch telescope, Maunakea. Observers D. Hung, D. J. Tholen. Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T 230320 T12 0.03+ 0.01+ 230420 J04 0.06+ 0.01+ MPO740715 +0.02 days Orbital elements: 2016 JB6 Earth MOID = 0.1310 AU Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres M 323.38051 (2000.0) P Q n 0.28562435 Peri. 214.28996 +0.41020067 +0.90128283 a 2.2835256 Node 80.27850 -0.80185252 +0.42922796 e 0.5066562 Incl. 8.12904 -0.43447433 +0.05875903 P 3.45 H 20.64 G 0.15 U 0 Residuals in seconds of arc 160503 F51 0.1- 0.0 160511 691 0.3+ 0.1- 160608 G96 0.1- 0.1- 160503 F51 0.1- 0.0 160513 691 0.8- 0.1- 160609 807 0.1+ 0.6- 160503 F51 0.1- 0.0 160513 691 0.2- 0.3- 160609 807 0.4+ 0.5+ 160504 H36 0.1+ 0.2- 160513 691 0.3- 0.1+ 160609 807 0.0 0.2- 160504 H36 0.7- 0.1+ 160514 691 1.3+ 0.7- 160609 807 0.0 0.1- 160504 H36 0.0 0.4- 160514 691 1.7+ 0.8- 160705 807 0.3- 0.1+ 160504 568 0.2- 0.1+ 160514 691 0.1- 0.7- 160705 807 0.1- 0.0 160504 568 0.2- 0.1+ 160518 568 0.2- 0.1+ 160706 807 0.4+ 0.4+ 160504 568 0.2- 0.1+ 160518 568 0.2- 0.1+ 160726 807 0.5+ 0.5+ 160505 691 0.4- 2.3- 160522 695 0.3- 0.6+ 160727 807 0.9+ 0.7+ 160505 691 0.4+ 0.3- 160522 695 0.2+ 0.3+ 160727 807 0.3+ 0.1+ 160505 926 0.5- 0.8- 160522 695 0.0 0.4+ 160801 807 0.2+ 0.5- 160505 926 0.4+ 0.9+ 160525 691 1.0+ 0.8- 160801 807 0.2+ 0.0 160505 926 0.1- 0.6+ 160525 691 0.1+ 1.1- 160801 807 0.2+ 0.1- 160505 H36 0.1- 0.3+ 160530 291 0.4- 0.2- 160803 807 0.1- 0.2- 160505 H36 (2.2- 0.5-) 160530 291 0.3- 0.1- 160803 807 0.2- 0.2+ 160505 474 0.3+ 0.2- 160530 291 0.1- 0.2- 160803 807 0.0 0.2+ 160505 474 0.4+ 0.3+ 160531 691 0.5- 0.3- 160922 807 0.3- 0.6- 160505 474 0.1+ 0.1- 160531 691 0.5+ 0.5- 160922 807 0.1+ 0.1- 160509 I52 0.4- 0.3+ 160531 691 0.1- 0.2- 160922 807 0.2+ 0.3- 160509 I52 0.8+ 0.8+ 160601 691 0.4+ 0.8- 161027 807 0.2+ 0.7- 160509 I52 0.9+ 1.1+ 160601 691 0.6+ 0.5- 161027 807 0.3+ 0.0 160509 I52 0.4+ 0.5- 160601 691 0.8- 0.2+ 161027 807 0.0 0.0 160511 I52 0.4- 0.2+ 160602 691 0.2- 0.0 230320 T12 0.0 0.1+ 160511 I52 0.8+ 0.4+ 160602 691 0.2- 0.3- 230325 T12 0.1+ 0.1- 160511 I52 0.1- 0.1+ 160602 691 0.2+ 0.3+ 230328 F51 0.2- 0.2+ 160511 I52 1.4- 0.4- 160608 G96 0.1+ 0.3+ 230328 F51 0.1- 0.0 160511 691 0.5- 0.3+ 160608 G96 0.1- 0.6+ 230328 F51 0.2+ 0.1+ 160511 691 0.4- 0.6+ 160608 G96 0.5+ 0.2+ 230420 J04 0.2- 0.2+ Ephemeris: 2016 JB6 a,e,i = 2.28, 0.51, 8 q = 1.1266 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2023 03 22 16 37 50.0 -11 44 29 0.9212 1.5795 110.9 36.1 22.9 ... 2023 04 06 17 14 43.6 -12 40 16 0.7353 1.4816 116.4 37.2 22.3 ... 2023 04 14 17 36 34.8 -13 12 21 0.6467 1.4310 118.8 37.9 22.0 ... 2023 04 20 17 54 20.9 -13 39 11 0.5853 1.3942 120.2 38.5 21.7 2023 04 21 17 57 26.7 -13 43 59 0.5756 1.3882 120.5 38.6 21.7 2023 04 22 18 00 35.1 -13 48 54 0.5659 1.3822 120.7 38.7 21.7 ... 2023 04 28 18 20 25.5 -14 20 55 0.5109 1.3470 121.7 39.5 21.4 ... 2023 05 06 18 50 04.5 -15 11 27 0.4453 1.3026 122.4 40.8 21.1 ... 2023 05 21 19 58 36.0 -17 08 58 0.3489 1.2289 121.1 44.9 20.5 A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H123


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