MPEC 2004-H18 : 2004 HC
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M.P.E.C. 2004-H18 Issued 2004 Apr. 17, 12:59 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 HC
Observations:
K04H00C* C2004 04 16.19217 11 36 44.15 -02 03 23.4 17.9 EH018704
K04H00C C2004 04 16.20295 11 36 39.13 -02 01 43.8 18.3 EH018704
K04H00C C2004 04 16.21370 11 36 34.17 -02 00 04.4 17.8 EH018704
K04H00C C2004 04 16.22444 11 36 29.17 -01 58 25.3 17.6 EH018704
K04H00C C2004 04 16.23535 11 36 24.15 -01 56 44.6 17.9 EH018704
K04H00C C2004 04 16.80645 11 32 10.43 -00 29 05.0 17.5 V EH018A50
K04H00C C2004 04 16.80800 11 32 09.72 -00 28 50.8 17.4 V EH018A50
K04H00C C2004 04 16.80916 11 32 09.19 -00 28 40.2 17.4 V EH018A50
K04H00C C2004 04 16.81071 11 32 08.49 -00 28 25.8 17.5 V EH018A50
K04H00C C2004 04 16.81186 11 32 07.95 -00 28 15.0 17.5 V EH018A50
K04H00C C2004 04 16.81303 11 32 07.40 -00 28 04.2 17.3 V EH018A50
K04H00C C2004 04 16.83110 11 31 59.65 -00 25 18.4 EH018557
K04H00C C2004 04 16.83169 11 31 59.36 -00 25 13.0 EH018557
K04H00C C2004 04 16.83227 11 31 59.13 -00 25 07.8 EH018557
K04H00C C2004 04 16.83286 11 31 58.87 -00 25 02.4 EH018557
K04H00C C2004 04 16.83344 11 31 58.58 -00 24 56.7 EH018557
K04H00C C2004 04 16.83412 11 31 58.25 -00 24 50.9 EH018557
K04H00C C2004 04 16.83470 11 31 57.99 -00 24 44.8 EH018557
K04H00C C2004 04 16.83529 11 31 57.74 -00 24 40.0 EH018557
K04H00C C2004 04 16.83586 11 31 57.50 -00 24 34.2 18.3 V EH018557
K04H00C C2004 04 16.84044 11 31 55.59 -00 23 53.6 17.5 V EH018198
K04H00C C2004 04 16.84222 11 31 54.85 -00 23 35.9 17.5 V EH018198
K04H00C C2004 04 16.84401 11 31 54.02 -00 23 20.0 17.7 V EH018198
K04H00C C2004 04 16.84544 11 31 53.36 -00 23 06.0 17.7 V EH018198
K04H00C C2004 04 16.84937 11 31 51.58 -00 22 30.0 17.8 V EH018198
K04H00C C2004 04 16.85259 11 31 50.09 -00 22 00.0 17.7 V EH018198
K04H00C C2004 04 16.87700 11 31 38.75 -00 18 15.2 EH018246
K04H00C C2004 04 16.87736 11 31 38.57 -00 18 11.5 EH018246
K04H00C C2004 04 16.87824 11 31 38.21 -00 18 03.7 EH018246
K04H00C C2004 04 16.87856 11 31 38.02 -00 18 00.3 EH018246
K04H00C C2004 04 16.87903 11 31 37.79 -00 17 56.5 EH018246
K04H00C C2004 04 16.89272 11 31 31.69 -00 15 48.5 18.1 V EH018151
K04H00C C2004 04 16.89569 11 31 30.32 -00 15 21.1 18.1 V EH018151
K04H00C C2004 04 16.89683 11 31 29.81 -00 15 11.0 18.0 V EH018151
K04H00C C2004 04 16.89751 11 31 29.49 -00 15 04.4 18.0 V EH018151
K04H00C C2004 04 17.21547 11 29 09.04 +00 33 52.4 18.1 R EH018926
K04H00C C2004 04 17.21603 11 29 08.82 +00 33 56.8 17.9 R EH018926
K04H00C C2004 04 17.21656 11 29 08.56 +00 34 02.6 18.0 R EH018926
K04H00C C2004 04 17.26834 11 28 44.26 +00 41 52.8 17.4 R EH018649
K04H00C C2004 04 17.26929 11 28 43.85 +00 42 01.3 17.7 R EH018649
K04H00C C2004 04 17.27072 11 28 43.16 +00 42 14.9 17.5 R EH018649
K04H00C C2004 04 17.27214 11 28 42.54 +00 42 27.8 17.3 R EH018649
K04H00C C2004 04 17.28211 11 28 38.31 +00 44 03.9 17.3 R EH018H06
K04H00C C2004 04 17.28321 11 28 37.82 +00 44 13.3 17.3 R EH018H06
K04H00C C2004 04 17.28431 11 28 37.28 +00 44 24.6 17.6 R EH018H06
K04H00C C2004 04 17.31233 11 28 24.49 +00 48 42.8 17.0 R EH018711
K04H00C C2004 04 17.31538 11 28 23.09 +00 49 10.5 16.9 R EH018711
K04H00C C2004 04 17.31838 11 28 21.74 +00 49 37.7 17.0 R EH018711
Observer details:
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.8
Hypergraph + CCD.
198 Wildberg. Observer R. Apitzsch. 0.235-m Schmidt-Cassegrain + CCD.
246 Klet Observatory-KLENOT. Observer M. Kocer. 1.06-m KLENOT Telescope
+ CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + 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.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector with prime
focus corrector + 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.
H06 New Mexico Skies Observatory. Observer R. Hutsebaut. 0.30-m reflector
+ CCD.
Orbital elements:
2004 HC
Epoch 2004 Apr. 5.0 TT = JDT 2453100.5 MPC
M 223.18622 (2000.0) P Q
n 1.40414512 Peri. 159.25875 +0.98152983 +0.00734955
a 0.7898199 Node 202.99792 +0.00544832 +0.99778259
e 0.6011964 Incl. 29.29450 +0.19123156 -0.06615043
P 0.70 H 19.9 G 0.15
From 47 observations 2004 Apr. 16-17.
Ephemeris:
2004 HC a,e,i = 0.79, 0.60, 29 q = 0.3150
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 04 15 11 45.67 -05 06.0 0.185 1.171 152.8 23.1 17.7
2004 04 25 10 36.34 +18 33.2 0.205 1.118 118.3 52.5 18.6
2004 05 05 09 44.74 +33 19.5 0.261 1.051 92.2 73.4 19.7
2004 05 15 09 06.89 +41 27.8 0.328 0.971 73.7 87.4 20.5
2004 05 25 08 33.47 +46 21.5 0.394 0.876 58.8 98.6 21.1
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-H18
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