MPEC 2023-H65 : 2023 HC1
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M.P.E.C. 2023-H65 Issued 2023 April 18, 11:56 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 HC1
Observations:
K23H01C*1C2023 04 17.32749812 41 52.854+00 22 44.58 20.16GVEH065G96
K23H01C 1C2023 04 17.33311012 42 08.521+00 23 05.53 19.74GVEH065G96
K23H01C 1C2023 04 17.33872512 42 24.174+00 23 26.41 19.67GVEH065G96
K23H01C 1C2023 04 17.34435212 42 39.773+00 23 47.00 20.07GVEH065G96
K23H01C KC2023 04 17.37515712 44 05.312+00 25 41.27 19.82GVEH065I52
K23H01C KC2023 04 17.37627112 44 08.376+00 25 45.08 19.97GVEH065I52
K23H01C KC2023 04 17.37737012 44 11.425+00 25 49.30 19.71GVEH065I52
K23H01C KC2023 04 17.37846412 44 14.435+00 25 53.26 19.88GVEH065I52
K23H01C KC2023 04 17.42029212 46 09.498+00 28 24.82 19.50GVEH065I52
K23H01C KC2023 04 17.42084912 46 11.057+00 28 27.41 19.79GVEH065I52
K23H01C KC2023 04 17.42140312 46 12.590+00 28 29.35 19.73GVEH065I52
K23H01C KC2023 04 17.42196912 46 14.138+00 28 31.62 20.10GVEH065I52
K23H01C KC2023 04 17.86883013 06 01.21 +00 52 05.3 19.3 GXEH065958
K23H01C KC2023 04 17.87690013 06 19.81 +00 52 30.7 19.4 GXEH065958
K23H01C KC2023 04 17.88493813 06 38.11 +00 52 55.1 19.5 GXEH065958
K23H01C KC2023 04 17.98463913 10 19.349+00 57 13.10 20.1 GVEH065J95
K23H01C KC2023 04 17.99018313 10 31.397+00 57 28.98 20.2 GVEH065J95
K23H01C KC2023 04 18.18044013 17 34.11 +01 07 02.4 19.7 VuEH065H21
K23H01C KC2023 04 18.18323713 17 39.76 +01 07 09.9 19.9 VuEH065H21
K23H01C KC2023 04 18.18883213 17 50.95 +01 07 24.7 19.8 VuEH065H21
K23H01C KC2023 04 18.21620513 18 52.823+01 09 09.00 20.07GVEH065I52
K23H01C KC2023 04 18.21823513 18 56.848+01 09 14.22 20.03GVEH065I52
K23H01C KC2023 04 18.21924813 18 58.842+01 09 16.96 20.49GVEH065I52
Observer details:
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer P.
Dupouy. 0.43-m f/2.7 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2023 HC1 Earth MOID = 0.0085 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 353.70499 (2000.0) P Q
n 0.34669688 Peri. 318.56397 -0.95980684 -0.27547071
a 2.0067938 Node 205.59578 +0.27891948 -0.91491326
e 0.5356596 Incl. 7.14411 +0.03122114 -0.29504171
P 2.84 H 27.37 G 0.15 U 8
Residuals in seconds of arc
230417 G96 0.2- 0.1+ 230417 I52 0.2- 0.4- 230417 J95 0.5- 0.2-
230417 G96 0.2- 0.0 230417 I52 0.3+ 0.2+ 230418 H21 0.3- 0.0
230417 G96 0.2- 0.1- 230417 I52 0.5+ 0.1+ 230418 H21 0.2+ 0.2+
230417 G96 (1.2- 0.4-) 230417 I52 0.4+ 0.4+ 230418 H21 0.1- 0.3+
230417 I52 0.8+ 0.1+ 230417 958 1.1- 0.7- 230418 I52 0.0 0.0
230417 I52 0.6+ 0.2- 230417 958 1.0+ 0.4+ 230418 I52 0.2+ 0.1-
230417 I52 0.8+ 0.0 230417 958 1.0+ 0.7+ 230418 I52 0.0 0.0
230417 I52 0.6+ 0.1- 230417 J95 0.3+ 0.2-
Ephemeris:
2023 HC1 a,e,i = 2.01, 0.54, 7 q = 0.9318
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 04 06 23.3 -03 50 25 0.1671 0.9332 63.6 107.2 27.3
...
2023 04 03 04 42 50.7 -04 22 14 0.07624 0.9634 59.7 116.3 26.3
...
2023 04 11 06 09 02.0 -04 53 09 0.02978 0.9942 74.2 104.1 23.6
...
2023 04 17 12 25 00.8 +00 04 39 0.02062 1.0229 159.1 20.4 20.0
2023 04 18 13 10 52.6 +01 02 26 0.02491 1.0281 166.1 13.6 20.2
2023 04 19 13 42 23.7 +01 40 21 0.02992 1.0334 167.4 12.2 20.6
...
2023 04 25 14 55 48.6 +02 51 41 0.06515 1.0673 160.2 18.6 22.5
...
2023 05 03 15 19 39.4 +02 48 06 0.1165 1.1174 159.1 18.8 23.9
...
2023 05 18 15 30 51.3 +01 32 15 0.2229 1.2221 159.0 17.2 25.5
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H65
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