MPEC 2023-H88 : 2004 HS56
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M.P.E.C. 2023-H88 Issued 2023 April 18, 20:33 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
2004 HS56
Revision to MPEC 2004-H83
Additional Observations:
K04H56S C2023 04 09.53019514 43 31.916+67 20 35.39 22.13GVEH088F52
K04H56S C2023 04 09.55451014 43 20.660+67 20 30.94 22.30GVEH088F52
K04H56S C2023 04 09.56671914 43 15.116+67 20 28.56 21.89GVEH088F52
K04H56S C2023 04 10.53533314 36 08.581+67 17 02.95 21.75GVEH088F52
K04H56S C2023 04 10.57196514 35 50.865+67 16 50.15 22.29GVEH088F52
K04H56S KC2023 04 18.10643 13 27 03.04 +65 03 43.2 21.0 GVEH088W16
K04H56S KC2023 04 18.11323 13 26 58.58 +65 03 30.0 20.2 GVEH088W16
K04H56S KC2023 04 18.12011 13 26 54.05 +65 03 16.4 20.5 GVEH088W16
K04H56S KC2023 04 18.12698 13 26 49.56 +65 03 02.5 19.9 GVEH088W16
K04H56S KC2023 04 18.24594 13 25 30.66 +64 58 53.8 20.4 GVEH088W16
K04H56S KC2023 04 18.25280 13 25 26.17 +64 58 39.1 20.8 GVEH088W16
K04H56S KC2023 04 18.25961 13 25 21.62 +64 58 24.0 20.5 GVEH088W16
K04H56S KC2023 04 18.26641 13 25 17.19 +64 58 08.6 20.3 GVEH088W16
K04H56S C2023 04 18.28806713 25 04.511+64 57 23.07 20.5 GVEH088H01
K04H56S C2023 04 18.29349513 25 00.908+64 57 11.37 20.5 GVEH088H01
K04H56S KC2023 04 18.30200 13 24 54.27 +64 56 48.9 20.8 VqEH088H36
K04H56S C2023 04 18.30658213 24 52.168+64 56 42.44 20.6 GVEH088H01
K04H56S C2023 04 18.31234613 24 48.333+64 56 29.80 20.6 GVEH088H01
K04H56S KC2023 04 18.32352 13 24 40.01 +64 55 59.3 20.9 VqEH088H36
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.
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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.8 .56 meter
reflector + CCD.
W16 Pleasant Groves Observatory. Observer M. Holbrook. 0.36-m f/2.2
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
230409 F52 14- 25- 230418 H36 25- 30- MPO 66371 -8.55 days
Orbital elements:
2004 HS56 Earth MOID = 0.0307 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 309.63779 (2000.0) P Q
n 0.57000760 Peri. 196.29423 -0.55519510 +0.76217145
a 1.4406184 Node 41.69146 -0.69626277 -0.20694153
e 0.2854089 Incl. 30.03846 -0.45494676 -0.61340842
P 1.73 H 22.26 G 0.15 U 1
Residuals in seconds of arc
040427 704 0.8+ 0.3- 040428 673 0.2+ 0.7- 040430 H06 0.0 0.7+
040427 704 0.1- 0.0 040428 673 0.1+ 0.6- 040501 926 0.8+ 0.2-
040427 704 0.3+ 0.6+ 040428 704 0.1+ 0.0 040501 926 0.3+ 0.3+
040427 704 0.2+ 0.4+ 040428 673 0.2+ 0.3+ 040501 926 0.3- 0.8+
040427 704 0.0 0.5+ 040428 704 0.2+ 0.3+ 040502 428 0.9- 1.4-
040427 A50 0.1+ 0.6- 040428 G70 0.2- 1.3- 040502 428 0.3- 0.9-
040427 A50 0.0 0.2- 040428 G70 0.7- 0.5- 040502 428 0.2+ 0.1-
040427 A50 0.1+ 0.2+ 040428 673 0.0 0.6- 040502 428 0.5+ 1.4+
040427 A50 0.1+ 0.0 040428 G70 0.0 1.7- 040506 413 0.1+ 0.2-
040427 620 0.1+ 0.1- 040428 704 0.2- 0.4+ 040506 413 0.0 0.3+
040427 620 0.1- 0.1- 040428 704 0.3- 0.1+ 230409 F52 0.3+ 0.2-
040427 620 0.1- 0.1- 040428 673 0.3+ 1.5+ 230409 F52 0.4- 0.0
040428 113 1.0- 0.2+ 040428 704 0.2- 0.1+ 230409 F52 0.1- 0.2+
040428 113 0.2+ 0.2+ 040428 704 0.1- 0.3+ 230410 F52 0.1- 0.7+
040428 113 0.3- 0.0 040428 704 0.3- 0.6+ 230410 F52 0.0 0.6+
040428 113 0.1- 0.5- 040428 704 0.1- 0.2+ 230418 W16 0.3+ 0.5-
040428 113 0.3- 1.1+ 040428 G72 1.1- 1.6+ 230418 W16 0.2+ 0.2-
040428 649 0.2+ 0.7+ 040428 G72 1.4- 1.0- 230418 W16 0.1+ 0.1-
040428 649 0.2- 0.3+ 040428 G72 0.3+ 3.2+ 230418 W16 0.3+ 0.2-
040428 649 0.1- 0.3+ 040428 G72 1.9- 4.0- 230418 W16 0.0 0.1-
040428 649 0.0 0.2+ 040428 355 0.5- 1.0- 230418 W16 0.5+ 0.3+
040428 854 0.2+ 0.3+ 040428 355 0.0 0.0 230418 W16 0.3+ 0.1+
040428 854 0.2+ 0.6+ 040428 355 0.1- 0.5+ 230418 W16 0.9+ 0.2-
040428 854 0.3- 0.3- 040428 355 0.4- 0.8+ 230418 H01 0.0 0.0
040428 854 0.0 0.4+ 040428 300 0.2+ 0.1+ 230418 H01 0.1+ 0.1+
040428 854 1.1+ 1.8+ 040428 300 0.6+ 0.2- 230418 H36 0.1- 0.6+
040428 854 0.1+ 0.5+ 040428 300 0.7+ 0.6- 230418 H01 0.0 0.0
040428 704 0.3- 0.1- 040428 300 0.7+ 0.1+ 230418 H01 0.0 0.1+
040428 704 0.1+ 0.1+ 040430 H06 0.3- 1.1- 230418 H36 0.1- 0.5-
040428 673 0.4+ 1.3+ 040430 H06 0.6+ 0.8+
Ephemeris:
2004 HS56 a,e,i = 1.44, 0.29, 30 q = 1.0295
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 15 58 52.4 +64 31 52 0.4510 1.1787 102.6 55.5 22.9
...
2023 04 03 15 21 22.9 +67 02 15 0.3382 1.1244 102.9 60.1 22.3
...
2023 04 11 14 32 36.7 +67 14 14 0.2750 1.0990 103.5 62.4 21.9
...
2023 04 17 13 38 26.7 +65 38 52 0.2277 1.0820 104.2 64.1 21.5
2023 04 18 13 28 06.9 +65 07 16 0.2199 1.0794 104.3 64.3 21.4
2023 04 19 13 17 30.6 +64 29 36 0.2122 1.0768 104.4 64.6 21.3
...
2023 04 25 12 11 24.3 +57 52 48 0.1684 1.0626 105.3 65.9 20.9
...
2023 05 03 10 52 21.8 +37 12 34 0.1240 1.0473 105.3 68.2 20.2
...
2023 05 18 09 20 33.2 -22 27 48 0.1455 1.0311 93.7 78.2 20.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H88
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