MPEC 2023-H250 : 2023 HC7
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M.P.E.C. 2023-H250 Issued 2023 April 30, 13:55 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 HC7
Observations:
K23H07C*1C2023 04 28.19499412 10 41.646+12 43 16.43 20.70GVEH250G96
K23H07C 1C2023 04 28.20024112 10 44.850+12 42 30.02 20.06GVEH250G96
K23H07C 1C2023 04 28.20547312 10 48.061+12 41 43.62 20.65GVEH250G96
K23H07C 1C2023 04 28.21069812 10 51.258+12 40 57.76 20.88GVEH250G96
K23H07C KC2023 04 28.24486512 11 12.098+12 35 55.79 20.49GVEH250V06
K23H07C KC2023 04 28.24600212 11 12.786+12 35 45.78 20.11GVEH250V06
K23H07C KC2023 04 28.24714212 11 13.492+12 35 35.74 21.01GVEH250V06
K23H07C KC2023 04 28.24828112 11 14.168+12 35 25.51 20.59GVEH250V06
K23H07C 1C2023 04 29.17676812 21 18.882+10 22 06.89 21.08GVEH250G96
K23H07C 1C2023 04 29.17695012 21 18.954+10 22 05.48 19.88GVEH250G96
K23H07C 1C2023 04 29.17713112 21 19.058+10 22 04.33 21.53GVEH250G96
K23H07C 1C2023 04 29.17731312 21 19.184+10 22 02.78 20.44GVEH250G96
K23H07C 1C2023 04 29.34276812 22 59.322+09 59 33.13 20.58GVEH250T12
K23H07C 1C2023 04 29.34311812 22 59.513+09 59 30.01 20.61GVEH250T12
K23H07C 1C2023 04 29.34344812 22 59.701+09 59 27.56 20.28GVEH250T12
K23H07C KC2023 04 30.14346412 31 00.27 +08 10 18.8 20.3 GXEH250858
K23H07C KC2023 04 30.14388812 31 00.663+08 10 17.80 20.5 GVEH250H01
K23H07C KC2023 04 30.15041412 31 04.108+08 09 26.49 20.3 GVEH250H01
K23H07C KC2023 04 30.15298312 31 05.26 +08 09 03.4 20.6 GXEH250858
K23H07C KC2023 04 30.16264812 31 10.35 +08 07 47.5 20.4 GXEH250858
K23H07C KC2023 04 30.16377212 31 11.139+08 07 40.95 20.3 GVEH250H01
K23H07C KC2023 04 30.16743212 31 13.064+08 07 12.22 20.5 GVEH250H01
Observer details:
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m f/8.1
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observers J. B. Fazekas, R. A. Kowalski. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer Y.
Ramanjooloo. Measurers R. Weryk, Y. Ramanjooloo, R. Wainscoat. 2.24-m
University of Hawaii reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer A. Serrano. 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. 1.55-m
reflector + 1K CCD.
Orbital elements:
2023 HC7 Earth MOID = 0.0209 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 347.16011 (2000.0) P Q
n 0.61268537 Peri. 117.16016 -0.98387763 -0.17631082
a 1.3729173 Node 52.69991 +0.14783140 -0.89612605
e 0.2893817 Incl. 2.16049 +0.10065127 -0.40727459
P 1.61 H 25.55 G 0.15 U 8
Residuals in seconds of arc
230428 G96 0.2+ 0.2+ 230429 G96 0.2+ 0.1- 230430 H01 0.0 0.0
230428 G96 0.0 0.0 230429 G96 0.2- 0.1+ 230430 H01 0.0 0.1+
230428 G96 0.2+ 0.2- 230429 G96 0.2- 0.4+ 230430 858 0.3- 0.2-
230428 G96 0.2+ 0.0 230429 G96 0.1+ 0.4+ 230430 858 0.3- 0.2+
230428 V06 0.2- 0.0 230429 T12 0.0 0.0 230430 H01 0.1+ 0.0
230428 V06 0.3- 0.0 230429 T12 0.0 0.2- 230430 H01 0.1+ 0.1+
230428 V06 0.1- 0.1+ 230429 T12 0.1+ 0.1+
230428 V06 0.4- 0.1- 230430 858 0.2+ 0.1+
Ephemeris:
2023 HC7 a,e,i = 1.37, 0.29, 2 q = 0.9756
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 31 05 41 43.2 +41 32 23 0.08802 0.9832 77.4 97.6 23.7
...
2023 04 15 08 36 33.3 +41 13 04 0.05253 1.0097 95.9 81.2 22.0
...
2023 04 23 10 59 57.8 +26 20 52 0.04703 1.0307 121.6 56.2 21.0
...
2023 04 29 12 19 24.9 +10 48 08 0.05395 1.0490 140.4 37.7 20.8
2023 04 30 12 29 32.8 +08 30 41 0.05594 1.0522 142.9 35.3 20.8
2023 05 01 12 38 54.9 +06 21 24 0.05811 1.0555 145.1 33.1 20.9
...
2023 05 07 13 22 12.6 -03 45 30 0.07452 1.0763 154.1 24.1 21.2
...
2023 05 15 13 57 45.0 -11 38 20 0.1027 1.1065 157.8 20.1 21.8
...
2023 05 30 14 35 33.2 -18 28 59 0.1694 1.1683 154.1 22.3 23.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H250
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