MPEC 2023-H234 : 2019 KG4
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M.P.E.C. 2023-H234 Issued 2023 April 28, 14:06 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
2019 KG4
Revision to MPEC 2019-L17
Additional Observations:
K19K04G |C2023 04 24.27156 14 27 26.72 -25 18 48.2 22.6 GuEH234807
K19K04G |C2023 04 24.27988 14 27 26.12 -25 18 41.5 22.5 GuEH234807
K19K04G |C2023 04 24.28820 14 27 25.53 -25 18 35.3 22.5 GuEH234807
K19K04G C2023 04 24.44854314 27 14.683-25 16 33.58 22.46GVEH234F52
K19K04G C2023 04 24.45866014 27 13.953-25 16 25.67 22.17GVEH234F52
K19K04G C2023 04 24.47886214 27 12.456-25 16 09.19 22.83GVEH234F52
K19K04G |C2023 04 28.12114 14 22 55.03 -24 25 19.6 22.1 GVEH234807
K19K04G |C2023 04 28.13223 14 22 54.19 -24 25 09.9 22.0 GVEH234807
K19K04G |C2023 04 28.14333 14 22 53.35 -24 25 00.2 22.3 GVEH234807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
230424 807 30.6+ 0.6+ 230428 807 31.0+ 0.5+ MPO740905 +0.00 days
Orbital elements:
2019 KG4 Earth MOID = 0.3605 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 300.94219 (2000.0) P Q
n 0.23019579 Peri. 99.98705 +0.81998425 +0.47750657
a 2.6367632 Node 232.23117 -0.53803050 +0.83116170
e 0.5762515 Incl. 23.53235 +0.19531770 +0.28488192
P 4.28 H 19.93 G 0.15 U 1
Residuals in seconds of arc
190530 F52 0.0 0.2- 190605 I52 0.7- 0.1- 191027 H36 0.0 0.2-
190530 F52 0.0 0.2+ 190605 I52 0.7- 0.0 191102 F51 0.1- 0.0
190530 F52 0.2+ 0.2+ 190615 I52 (1.0- 0.1-) 191102 F51 0.1- 0.0
190530 F52 (0.1+ 0.4-) 190615 I52 0.7- 0.1+ 191102 F51 0.0 0.0
190531 691 0.3- 0.0 190615 I52 0.3+ 0.0 191105 G96 0.1+ 0.3+
190531 691 0.1+ 0.3- 190615 I52 (1.3+ 0.1+) 191105 G96 0.1+ 0.1+
190531 F51 0.1+ 0.0 190621 I52 0.1+ 0.6+ 191105 G96 0.2- 0.3+
190531 F51 0.1- 0.1+ 190621 I52 0.2- 0.4- 191105 G96 0.1- 0.1+
190531 F51 0.1+ 0.0 190621 I52 0.1+ 0.2- 191118 691 0.3- 0.3-
190601 033 0.1+ 0.9+ 190627 I52 (1.7+ 0.8+) 191118 691 0.2+ 0.6+
190601 033 0.2+ 0.8+ 190627 I52 0.2- 0.3- 191124 G96 0.4- 0.0
190601 033 0.1+ 0.4+ 190627 I52 0.1- 0.7- 191124 G96 0.2- 0.1-
190601 033 0.2- 0.8+ 190627 I52 0.0 0.2- 191124 G96 0.2+ 0.1+
190601 I52 0.2- 0.9- 191010 G96 0.2+ 0.2+ 191124 G96 0.3+ 0.2+
190601 I52 0.9- 0.8- 191010 G96 0.5- 0.1- 191127 F51 0.0 0.1+
190601 I52 0.3+ 0.7+ 191010 G96 0.4+ 0.2- 191127 F51 0.0 0.1+
190601 I52 0.5- 0.5- 191022 G96 0.2+ 0.2- 230424 807 0.1- 0.2+
190601 I52 0.7+ 0.3- 191022 G96 0.2+ 0.1- 230424 807 0.1- 0.3+
190601 I52 0.0 0.1+ 191022 G96 0.3+ 0.4- 230424 807 0.1- 0.2-
190601 I52 0.6- 0.2+ 191022 G96 0.1+ 0.1- 230424 F52 0.3+ 0.1-
190602 I52 0.0 0.6- 191023 G96 0.1+ 0.3+ 230424 F52 0.2+ 0.3-
190602 I52 0.1- 0.5- 191023 G96 0.3+ 0.4- 230424 F52 0.3- 0.1+
190602 I52 0.5- 0.5- 191023 G96 0.2+ 0.1+ 230428 807 0.2+ 0.1-
190602 I52 0.1- 0.1- 191027 H36 1.3+ 0.4- 230428 807 0.0 0.0
190605 I52 0.0 0.1- 191027 H36 0.4- 0.5+ 230428 807 0.2- 0.0
Ephemeris:
2019 KG4 a,e,i = 2.64, 0.58, 24 q = 1.1173
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 29 14 48 54.8 -29 00 05 1.6619 2.4928 137.7 15.6 23.9
...
2023 04 13 14 39 03.0 -27 23 41 1.4524 2.3948 154.1 10.5 23.3
...
2023 04 21 14 31 06.7 -26 00 00 1.3620 2.3413 163.0 7.2 23.0
...
2023 04 27 14 24 15.4 -24 41 29 1.3053 2.3006 168.7 4.9 22.7
2023 04 28 14 23 03.6 -24 27 07 1.2969 2.2937 169.4 4.6 22.7
2023 04 29 14 21 51.2 -24 12 24 1.2887 2.2869 170.0 4.4 22.7
...
2023 05 05 14 14 27.4 -22 37 13 1.2456 2.2456 170.1 4.4 22.6
...
2023 05 13 14 04 37.2 -20 14 51 1.2043 2.1897 162.8 7.8 22.6
...
2023 05 28 13 48 51.2 -15 25 51 1.1737 2.0831 144.4 16.4 22.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H234
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