MPEC 2023-D51 : 2018 CJ
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2023-D50
Read MPEC 2023-D52
M.P.E.C. 2023-D51 Issued 2023 February 23, 14:04 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 CJ
Revision to MPEC 2018-C19
Additional Observations:
K18C00J C2023 01 21.33615208 16 45.387+21 23 02.36 22.30GVED051F52
K18C00J C2023 01 21.37260508 16 40.246+21 23 06.56 21.81GVED051F52
K18C00J KC2023 01 29.19744207 55 19.682+21 29 51.32 21.78GVED051I52
K18C00J KC2023 01 29.20130507 55 18.898+21 29 51.68 21.62GVED051I52
K18C00J KC2023 01 29.20516907 55 18.052+21 29 51.47 21.96GVED051I52
K18C00J C2023 02 12.21369 06 49 29.62 +20 22 07.6 VED051I52
K18C00J C2023 02 12.21545 06 49 28.93 +20 22 06.4 VED051I52
K18C00J C2023 02 12.21721 06 49 28.20 +20 22 05.0 22.1 GVED051I52
K18C00J C2023 02 17.13399 06 13 54.66 +18 54 37.4 21.0 GVED051I52
K18C00J C2023 02 17.13718 06 13 53.06 +18 54 33.2 VED051I52
K18C00J C2023 02 17.14036 06 13 51.48 +18 54 28.1 20.1 GVED051I52
K18C00J C2023 02 17.14354 06 13 49.84 +18 54 24.2 20.9 GVED051I52
Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski, G. J.
Leonard. 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, B. Gray. 1.0-m prime focus + CCD, 1.0-m f/2.0 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
230121 F52 0.82+ 0.22+ 230217 I52 0.66+ 0.30+ MPO441103 +0.23 days
Orbital elements:
2018 CJ Earth MOID = 0.0194 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 341.95023 (2000.0) P Q
n 0.39263356 Peri. 268.86027 -0.78853158 +0.61372871
a 1.8470463 Node 308.99789 -0.54214392 -0.72396562
e 0.5786969 Incl. 2.90845 -0.29034105 -0.31497754
P 2.51 H 23.64 G 0.15 U 0
Residuals in seconds of arc
180114 F51 0.1+ 0.1- 180205 H01 0.1+ 0.0 180214 204 0.1- 0.0
180114 F51 0.0 0.1- 180205 I52 0.4+ 0.2+ 180214 204 0.1- 0.1+
180114 F51 0.0 0.0 180205 I52 0.5+ 0.1+ 180215 T08 0.1+ 0.7+
180204 G96 0.2+ 0.0 180205 I52 0.1+ 0.8+ 180215 T08 0.3+ 0.2+
180204 G96 0.1- 0.1+ 180205 I52 0.1+ 1.2+ 180215 T08 0.7+ 0.2+
180204 G96 0.1+ 0.0 180205 691 0.3- 0.0 180215 T08 0.1+ 0.1-
180204 G96 0.5- 0.1+ 180205 691 0.7- 0.1- 230121 F52 0.0 0.2+
180204 I52 1.7+ 1.3+ 180205 691 0.5- 0.6- 230121 F52 0.1+ 0.1+
180204 I52 1.1- 0.4- 180209 703 0.4- 0.5+ 230129 I52 0.0 0.2-
180204 I52 0.2- 0.1- 180209 703 0.0 0.2+ 230129 I52 0.3+ 0.1+
180204 691 0.2+ 0.5+ 180209 703 0.2- 0.0 230129 I52 0.3- 0.2-
180204 691 0.3- 0.1- 180209 691 0.2+ 0.0 230212 I52 0.1- 0.0
180204 L01 0.7- 0.1- 180209 691 0.1+ 0.1- 230212 I52 0.2+ 0.1+
180204 L01 0.3- 0.3- 180211 T08 0.6+ 0.6- 230212 I52 0.1- 0.1+
180204 L01 0.4- 0.4+ 180211 T08 0.1- 0.3+ 230217 I52 0.4- 0.2+
180204 L01 0.2+ 0.0 180211 T08 0.4+ 0.2- 230217 I52 0.0 0.4+
180205 H01 0.0 0.0 180211 T08 0.5+ 0.4+ 230217 I52 0.5+ 0.1-
180205 H01 0.1+ 0.0 180214 T12 0.0 0.2- 230217 I52 0.2+ 0.4+
180205 H01 0.1+ 0.1- 180214 204 0.1- 0.0
Ephemeris:
2018 CJ a,e,i = 1.85, 0.58, 3 q = 0.7782
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 24 08 10 26.1 +21 26 38 0.3134 1.2973 176.5 2.7 22.0
...
2023 02 08 07 14 02.0 +21 02 30 0.2013 1.1628 148.6 26.2 21.7
...
2023 02 16 06 22 51.9 +19 19 59 0.1560 1.0919 128.6 45.0 21.5
...
2023 02 22 05 29 36.7 +16 21 42 0.1294 1.0399 109.7 63.5 21.5
2023 02 23 05 19 14.2 +15 39 16 0.1258 1.0314 106.2 67.1 21.6
2023 02 24 05 08 24.4 +14 52 31 0.1223 1.0230 102.5 70.8 21.6
...
2023 03 02 03 54 19.5 +08 34 56 0.1079 0.9736 77.7 96.1 22.2
...
2023 03 10 02 03 55.0 -02 26 16 0.1106 0.9126 41.2 134.2 24.8
...
2023 03 25 23 44 18.6 -13 40 52 0.1848 0.8219 16.8 159.4 30.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-D51
Read MPEC 2023-D50
Read MPEC 2023-D52
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)