MPEC 2023-H78 : 2023 HE1
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M.P.E.C. 2023-H78 Issued 2023 April 18, 16:22 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 HE1
Observations:
K23H01E C2023 04 14.36248912 06 11.847+05 51 57.74 21.06GVEH078F52
K23H01E C2023 04 14.37163512 06 15.623+05 51 27.87 21.50GVEH078F52
K23H01E C2023 04 14.37417412 06 16.714+05 51 19.21 21.43GVEH078F52
K23H01E C2023 04 14.38336012 06 20.573+05 50 48.10 21.43GVEH078F52
K23H01E C2023 04 14.38588412 06 21.574+05 50 40.03 21.42GVEH078F52
K23H01E C2023 04 14.39513912 06 25.488+05 50 08.50 21.59GVEH078F52
K23H01E*1C2023 04 17.33029112 28 33.395+03 04 07.39 21.48GVEH078G96
K23H01E 1C2023 04 17.33590012 28 35.677+03 03 47.88 21.33GVEH078G96
K23H01E 1C2023 04 17.34153012 28 38.046+03 03 28.51 21.61GVEH078G96
K23H01E 1C2023 04 17.34715112 28 40.393+03 03 09.32 21.35GVEH078G96
K23H01E 1C2023 04 17.40220312 29 03.534+03 00 01.48 21.02GVEH078G96
K23H01E 1C2023 04 17.40551112 29 04.938+02 59 50.82 21.37GVEH078G96
K23H01E 1C2023 04 17.40716412 29 05.636+02 59 44.81 21.02GVEH078G96
K23H01E 6C2023 04 18.09425912 34 11.917+02 20 49.85 21.6 GVEH078Z84
K23H01E |C2023 04 18.13740 12 34 35.45 +02 20 15.8 21.4 GVEH078807
K23H01E |C2023 04 18.14480 12 34 38.48 +02 19 50.9 21.3 GVEH078807
K23H01E |C2023 04 18.15219 12 34 41.42 +02 19 26.2 21.5 GVEH078807
K23H01E KC2023 04 18.17938412 34 56.370+02 16 10.02 20.85GVEH078V06
K23H01E KC2023 04 18.18192612 34 57.425+02 16 00.88 20.78GVEH078V06
K23H01E KC2023 04 18.18700612 34 59.495+02 15 44.10 21.15GVEH078V06
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
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.
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.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m
reflector + 1K CCD.
Z84 Calar Alto-Schmidt. Observers M. Micheli, R. Kresken. Measurers R.
Kresken, M. Micheli, F. Ocana, L. Conversi. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2023 HE1 Earth MOID = 0.0758 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 346.65677 (2000.0) P Q
n 0.34940224 Peri. 116.39117 -0.98126134 +0.19241824
a 1.9964216 Node 74.70413 -0.18029331 -0.89848122
e 0.4617025 Incl. 0.59814 -0.06797424 -0.39459691
P 2.82 H 25.68 G 0.15 U 8
Residuals in seconds of arc
230414 F52 0.1- 0.6- 230417 G96 0.3- 0.0 230418 807 0.2- 0.1-
230414 F52 0.5- 0.2+ 230417 G96 0.1+ 0.2- 230418 807 0.1+ 0.1+
230414 F52 0.0 0.1+ 230417 G96 0.2+ 0.2- 230418 807 (0.8- 0.3+)
230414 F52 0.5+ 0.2- 230417 G96 0.0 0.2- 230418 V06 0.1+ 0.2+
230414 F52 0.3- 0.2+ 230417 G96 0.0 0.4+ 230418 V06 0.2+ 0.4-
230414 F52 0.6+ 0.2- 230417 G96 0.1- 0.0 230418 V06 0.0 0.0
230417 G96 0.4+ 0.4+ 230418 Z84 0.1- 0.1-
Ephemeris:
2023 HE1 a,e,i = 2.00, 0.46, 1 q = 1.0747
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 09 34 00.6 +20 12 31 0.1183 1.0900 141.1 34.9 22.7
...
2023 04 03 10 44 14.1 +14 52 41 0.09154 1.0747 143.7 33.4 22.0
...
2023 04 11 11 40 37.8 +08 55 06 0.08556 1.0774 150.9 26.9 21.7
...
2023 04 17 12 26 07.5 +03 23 41 0.08677 1.0843 157.5 20.7 21.6
2023 04 18 12 33 33.8 +02 27 10 0.08750 1.0858 158.6 19.7 21.6
2023 04 19 12 40 54.1 +01 30 59 0.08838 1.0875 159.7 18.7 21.6
...
2023 04 25 13 21 52.6 -03 46 19 0.09681 1.0997 165.4 13.3 21.6
...
2023 05 03 14 05 55.6 -09 21 44 0.1156 1.1219 170.0 8.9 21.8
...
2023 05 18 14 58 09.8 -15 29 03 0.1699 1.1790 170.0 8.6 22.8
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-H78
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