MPEC 2023-H21 : 2023 HC
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M.P.E.C. 2023-H21 Issued 2023 April 17, 11:05 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
2023 HC
Observations:
K23H00C 1C2023 04 14.29973 12 18 13.87 -12 35 37.5 19.2 GVEH021703
K23H00C 1C2023 04 14.30503 12 18 20.12 -12 33 50.4 19.6 GVEH021703
K23H00C*KB2023 04 16.88732 13 09 24.82 +01 25 09.4 18.8 GXEH021K19
K23H00C KB2023 04 16.89104 13 09 28.48 +01 26 16.9 XEH021K19
K23H00C KB2023 04 16.89470 13 09 32.19 +01 27 22.8 18.7 GXEH021K19
K23H00C KB2023 04 16.92860 13 10 05.61 +01 37 30.3 18.8 GXEH021K19
K23H00C KB2023 04 16.93409 13 10 11.02 +01 39 09.2 18.8 GXEH021K19
K23H00C KB2023 04 16.93960 13 10 16.48 +01 40 47.8 19.7 GXEH021K19
K23H00C KB2023 04 16.99002813 11 19.960+02 00 55.95 19.5 GXEH021X93
K23H00C KB2023 04 16.99339513 11 23.326+02 01 55.44 XEH021X93
K23H00C KB2023 04 16.99661813 11 26.522+02 02 52.34 19.4 GXEH021X93
K23H00C KC2023 04 17.16336713 14 22.056+02 47 30.62 19.44GVEH021I52
K23H00C KC2023 04 17.16414413 14 22.816+02 47 44.27 19.15GVEH021I52
K23H00C KC2023 04 17.16492113 14 23.593+02 47 57.73 19.31GVEH021I52
K23H00C KC2023 04 17.16569813 14 24.335+02 48 11.41 19.15GVEH021I52
K23H00C KC2023 04 17.28329 13 16 12.42 +03 21 53.8 20.0 VqEH021734
K23H00C KC2023 04 17.28520 13 16 14.20 +03 22 26.2 19.6 VqEH021734
K23H00C KC2023 04 17.28710 13 16 16.05 +03 22 59.8 19.8 VqEH021734
K23H00C 1C2023 04 17.31735613 16 47.939+03 32 07.15 19.31GVEH021703
K23H00C 1C2023 04 17.32871013 16 58.670+03 35 21.55 19.67GVEH021703
K23H00C 1C2023 04 17.35938613 17 27.452+03 44 09.28 19.42GVEH021G96
K23H00C 1C2023 04 17.36502013 17 32.708+03 45 45.00 19.37GVEH021G96
K23H00C 1C2023 04 17.37063913 17 37.961+03 47 20.58 19.38GVEH021G96
K23H00C 1C2023 04 17.37626613 17 43.220+03 48 55.80 19.50GVEH021G96
Observer details:
703 Catalina Sky Survey. Observer D. Rankin. Measurers B. Gray, D. Rankin,
F. C. Shelly, 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, R. L. Seaman, A. Serrano, K. W. Wierzchos. 0.68-m
Schmidt + 10K CCD.
734 Farpoint Observatory, Eskridge. Observers D. Cromer, G. Hug, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.70-m f/3.0 reflector + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. B. Fazekas.
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.
K19 PASTIS Observatory, Banon. Observer C. Demeautis. 0.28-m f/2.2 reflector
+ CMO.
X93 Munhoz Observatory. Observer A. Brossel. 0.30-m f/4.0 reflector + CMO.
Orbital elements:
2023 HC Earth MOID = 0.0279 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 341.02343 (2000.0) P Q
n 0.67329258 Peri. 337.51469 -0.99625260 +0.03272430
a 1.2892392 Node 204.76961 -0.01336978 -0.97280160
e 0.2101964 Incl. 11.01649 -0.08545177 -0.22931674
P 1.46 H 26.27 G 0.15 U 7
Residuals in seconds of arc
230414 703 0.2- 0.2+ 230416 X93 0.1+ 1.9+ 230417 734 0.2- 0.0
230414 703 0.1+ 0.2- 230416 X93 1.0+ 1.4+ 230417 734 0.6+ 0.9+
230416 K19 1.0+ 0.0 230416 X93 1.6+ 0.8+ 230417 703 1.8- 0.4-
230416 K19 0.4+ 0.6+ 230417 I52 0.1- 0.1- 230417 703 0.0 1.3-
230416 K19 1.5+ 0.6+ 230417 I52 0.1- 0.1- 230417 G96 (0.6+ 0.7+)
230416 K19 0.3+ 0.4- 230417 I52 0.2+ 0.3- 230417 G96 0.1+ 0.1+
230416 K19 0.5+ 0.2+ 230417 I52 0.0 0.2- 230417 G96 0.3- 0.3-
230416 K19 1.2+ 0.1+ 230417 734 0.1+ 0.6+ 230417 G96 (0.8- 1.1-)
Ephemeris:
2023 HC a,e,i = 1.29, 0.21, 11 q = 1.0182
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 18 07 00 38.1 -48 27 04 0.1037 1.0198 100.9 73.4 24.0
...
2023 04 02 08 27 29.9 -46 30 03 0.05421 1.0201 111.1 66.0 22.3
...
2023 04 10 10 41 59.4 -33 09 20 0.03266 1.0257 136.9 41.8 20.5
...
2023 04 16 12 52 51.1 -03 07 35 0.02959 1.0322 167.7 11.9 19.4
2023 04 17 13 11 17.6 +02 01 42 0.03081 1.0335 166.1 13.5 19.6
2023 04 18 13 28 12.8 +06 42 26 0.03245 1.0348 162.4 17.0 19.8
...
2023 04 24 14 40 37.0 +24 17 24 0.04820 1.0439 142.1 36.3 21.3
...
2023 05 02 15 27 53.6 +32 15 11 0.07581 1.0588 130.9 46.0 22.5
...
2023 05 17 16 00 44.6 +34 39 00 0.1322 1.0937 125.8 48.6 23.9
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H21
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