MPEC 2004-H23 : 2004 HD
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M.P.E.C. 2004-H23 Issued 2004 Apr. 18, 13:34 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Supported in part by the Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 HD
Revision to MPEC 2004-H19
Observations:
K04H00D* C2004 04 16.19945 10 56 28.13 -06 02 21.1 19.7 EH023704
K04H00D C2004 04 16.21039 10 56 39.68 -06 03 01.0 19.8 EH023704
K04H00D C2004 04 16.22132 10 56 51.18 -06 03 40.8 19.7 EH023704
K04H00D C2004 04 16.23240 10 57 03.01 -06 04 21.3 19.9 EH023704
K04H00D C2004 04 16.82856 11 08 41.73 -06 42 00.3 18.3 V EH023A50
K04H00D C2004 04 16.82934 11 08 42.58 -06 42 03.6 18.4 V EH023A50
K04H00D C2004 04 16.83012 11 08 43.46 -06 42 06.6 18.9 V EH023A50
K04H00D C2004 04 16.83088 11 08 44.34 -06 42 09.7 18.1 V EH023A50
K04H00D C2004 04 16.83127 11 08 44.73 -06 42 11.2 18.2 V EH023A50
K04H00D C2004 04 16.83166 11 08 45.18 -06 42 12.5 18.1 V EH023A50
K04H00D C2004 04 16.90719 11 10 13.43 -06 46 51.2 EH023246
K04H00D C2004 04 16.90766 11 10 13.92 -06 46 52.9 EH023246
K04H00D C2004 04 16.91191 11 10 18.93 -06 47 06.9 EH023246
K04H00D C2004 04 16.91458 11 10 21.97 -06 47 19.3 EH023246
K04H00D 1C2004 04 17.01531 11 12 33.69 -06 48 52.9 19.5 R EH023I05
K04H00D 1C2004 04 17.01630 11 12 34.64 -06 48 57.0 18.7 R EH023I05
K04H00D C2004 04 17.21019 11 16 24.61 -07 05 03.7 19.3 R EH023926
K04H00D C2004 04 17.21059 11 16 25.09 -07 05 04.4 18.9 R EH023926
K04H00D C2004 04 17.21103 11 16 25.63 -07 05 05.0 18.3 R EH023926
K04H00D C2004 04 17.24860 11 17 05.65 -07 07 46.9 18.9 R EH023649
K04H00D C2004 04 17.24960 11 17 06.79 -07 07 50.1 18.8 R EH023649
K04H00D C2004 04 17.25164 11 17 09.17 -07 07 58.3 19.0 R EH023649
K04H00D C2004 04 18.22634 11 37 53.93 -08 08 50.0 18.4 R EH023854
K04H00D C2004 04 18.23075 11 37 59.24 -08 09 08.4 18.4 R EH023854
K04H00D C2004 04 18.23516 11 38 04.73 -08 09 26.9 18.7 R EH023854
K04H00D tC2004 04 18.50682 11 44 03.24 -08 22 04.5 EH023E12
K04H00D tC2004 04 18.50909 11 44 06.30 -08 22 13.4 EH023E12
K04H00D tC2004 04 18.51022 11 44 07.64 -08 22 17.3 EH023E12
Observer details:
246 Klet Observatory-KLENOT. Observer M. Kocer. 1.06-m KLENOT Telescope
+ CCD.
649 Powell Observatory, Louisburg. Observer R. Fredrick. 0.75-m Newtonian
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.356-m f/10.0
Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. 0.81-m
f/7 Ritchey-Chretien + CCD.
A50 Andrushivka Astronomical Observatory. Observers Y. Ivashchenko,
O. Gerashchenko, V. Lokot, Y. Kruglyj. 0.6-m reflector + CCD.
E12 Siding Spring Survey. Observers R. H. McNaught, S. Larson, E. Beshore,
E. Christensen, R. Hill. 0.5-m Uppsala Schmidt + CCD.
I05 Las Campanas Observatory-TIE. Observers G. Masi, F. Mallia. 0.36-m SoTIE
reflector + CCD.
Orbital elements:
2004 HD
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 35.03837 (2000.0) P Q
n 0.36904329 Peri. 343.15417 -0.94987454 +0.31160319
a 1.9249428 Node 215.03398 -0.28150635 -0.88774211
e 0.4644023 Incl. 2.52935 -0.13598726 -0.33884716
P 2.67 H 24.5 G 0.15 U 7
Residuals in seconds of arc
040416 704 0.5+ 0.2- 040416 246 0.8- 0.4+ 040417 649 0.7- 0.1+
040416 704 0.2+ 0.1- 040416 246 1.5- 0.5+ 040417 649 0.6- 0.5-
040416 704 1.1- 0.1+ 040416 246 0.9+ 2.2+ 040418 854 0.5+ 2.3+
040416 704 0.1- 0.0 040416 246 0.8+ 0.2- 040418 854 0.7- 0.4+
040416 A50 0.9+ 0.1+ 040417 I05 0.4- 0.3+ 040418 854 0.8+ 1.7-
040416 A50 0.4+ 0.3- 040417 I05 3.0- 0.0 040418 E12 2.3- 0.1-
040416 A50 0.4+ 0.4- 040417 926 0.3+ 0.5- 040418 E12 1.4+ 0.6-
040416 A50 0.7+ 0.7- 040417 926 0.7+ 0.3+ 040418 E12 0.5+ 0.3-
040416 A50 0.1- 0.7- 040417 926 1.2+ 1.4+
040416 A50 0.0 0.6- 040417 649 0.3- 0.4-
Ephemeris:
2004 HD a,e,i = 1.92, 0.46, 3 q = 1.0310
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 04 15 10 34.91 -04 48.6 0.040 1.032 135.4 43.0 19.3
2004 04 25 14 09.01 -13 01.5 0.039 1.045 179.4 0.5 17.7
2004 05 05 16 12.14 -13 08.6 0.065 1.070 159.7 19.1 19.7
2004 05 15 16 54.26 -12 28.0 0.101 1.105 158.4 19.7 20.7
2004 05 25 17 09.48 -12 22.8 0.142 1.149 163.0 14.9 21.4
2004 06 04 17 15.00 -12 45.4 0.189 1.200 168.5 9.7 21.9
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-H23
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