MPEC 2023-L44 : 2018 KR
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M.P.E.C. 2023-L44 Issued 2023 June 9, 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
2018 KR
Revision to MPEC 2018-K34
Additional Observations:
K18K00R C2013 04 19.51476815 49 04.751-03 44 14.29 22.84GVEL044F51
K18K00R C2013 04 19.52762615 48 59.469-03 43 43.18 20.88GVEL044F51
K18K00R C2013 04 19.54116015 48 53.969-03 43 10.74 22.48GVEL044F51
K18K00R C2013 04 19.55403915 48 48.717-03 42 39.85 22.46GVEL044F51
K18K00R KC2023 06 08.28504613 48 30.160+68 06 11.70 20.50GVEL044I52
K18K00R KC2023 06 08.28781013 48 13.950+68 06 33.70 20.34GVEL044I52
K18K00R KC2023 06 08.29384413 47 38.810+68 07 20.30 20.66GVEL044I52
K18K00R KC2023 06 08.29662913 47 22.550+68 07 39.90 20.19GVEL044I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M.
Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien +
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. K. Hogan. Measurers
E. J. Christensen, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
Leonard, D. Rankin, R. L. Seaman, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130419 F51 0.44- 0.17- 230608 I52 1.09- 1.80- MPO740863 +0.04 days
Orbital elements:
2018 KR Earth MOID = 0.0121 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 112.18009 (2000.0) P Q
n 1.18439930 Peri. 264.58025 +0.78013546 -0.62546165
a 0.8847162 Node 134.13493 +0.58125653 +0.71658269
e 0.2085790 Incl. 1.09000 +0.23136446 +0.30871828
P 0.83 H 26.39 G 0.15 U 0
Residuals in seconds of arc
130419 F51 2.1+ 0.1- 180518 I52 1.5- 0.4+ 180522 I52 0.2- 0.3+
130419 F51 1.8+ 0.2+ 180518 I52 0.8- 0.5+ 180523 I52 0.8- 0.1+
130419 F51 2.3+ 0.1+ 180518 I52 1.6- 0.6+ 180523 I52 1.0- 0.1+
130419 F51 2.4+ 0.1- 180518 L01 0.6+ 0.5+ 180523 I52 0.9- 0.3+
180517 G96 0.7+ 0.3- 180518 L01 0.1+ 0.2- 180523 I52 0.7- 0.3+
180517 G96 2.0+ 0.1+ 180518 L01 0.5+ 0.7- 180524 I52 1.2- 0.2-
180517 G96 0.8+ 0.5- 180519 807 0.6+ 0.2- 180524 I52 0.6- 0.4-
180517 G96 0.6+ 0.6- 180519 807 0.4+ 0.0 180524 I52 1.1- 0.2-
180517 I52 0.2+ 0.4- 180519 807 0.5+ 0.1+ 180524 I52 1.0- 0.2-
180517 I52 0.0 0.1+ 180519 I52 0.1+ 0.1+ 180525 I52 1.7- 0.5-
180517 I52 0.1+ 0.0 180519 I52 0.2- 0.3- 180525 I52 2.2- 0.6+
180517 H01 0.6+ 0.4+ 180519 I52 0.0 0.5- 180525 I52 1.2- 1.0+
180517 H01 0.6+ 0.1- 180519 I52 0.1+ 0.2- 180525 I52 1.1- 0.6-
180517 H01 0.5+ 0.0 180521 I52 0.5- 0.8- 180603 291 1.2- 0.8-
180517 H01 0.6+ 0.1+ 180521 I52 0.7- 0.2+ 180603 291 1.3- 0.1+
180518 H01 0.4+ 0.0 180521 I52 0.2- 0.3- 180603 291 1.1- 0.6-
180518 H01 0.3+ 0.0 180521 I52 0.0 0.1+ 230608 I52 0.4+ 0.1+
180518 H01 0.4+ 0.1- 180522 I52 0.5- 0.2- 230608 I52 0.0 0.5+
180518 H01 0.1+ 0.2+ 180522 I52 0.6- 0.1+ 230608 I52 0.3+ 0.7+
180518 I52 1.2- 0.6+ 180522 I52 0.5- 0.3+ 230608 I52 0.2+ 0.8-
Ephemeris:
2018 KR a,e,i = 0.88, 0.21, 1 q = 0.7002
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 10 18 35 44.8 -08 55 35 0.08116 1.0617 128.2 48.3 22.9
...
2023 05 25 18 25 32.7 +04 34 07 0.03969 1.0422 137.2 41.3 21.1
...
2023 06 02 17 44 56.0 +29 20 43 0.02176 1.0270 126.1 53.0 20.1
...
2023 06 08 14 14 36.7 +67 09 28 0.01732 1.0135 84.8 94.2 21.0
2023 06 09 12 42 24.7 +69 05 07 0.01801 1.0110 76.8 102.2 21.4
2023 06 10 11 16 06.9 +67 55 17 0.01908 1.0086 69.4 109.6 22.0
...
2023 06 16 08 15 44.6 +48 19 38 0.03044 0.9928 40.3 138.5 25.5
...
2023 06 24 07 34 39.0 +35 20 54 0.05101 0.9693 22.2 156.7 29.8
...
2023 07 09 07 10 16.4 +26 35 07 0.09811 0.9188 4.1 175.4
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