Read MPEC 2000-L59
Read MPEC 2000-L61
Read MPEC 2000-L59
Read MPEC 2000-L61
M.P.E.C. 2000-L60 Issued 2000 June 15, 19:53 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 HC12
Revision to MPEC 1999-K15
Observations:
J99H12C 3C2000 05 25.38542 14 38 10.95 -10 48 56.1 568
J99H12C 3C2000 05 25.48959 14 38 10.46 -10 48 54.6 568
J99H12C 3C2000 05 26.52670 14 38 05.76 -10 48 39.1 568
Observer details:
568 Mauna Kea. Observers C. Veillet, A. Doressoundiram, M. Connors,
P. Wiegert. Measurer C. Veillet. Canada-France-Hawaii 3.6-m reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
000525 568 89.8- 42.4+ 000526 568 89.0- 42.6+ MPC 35098
Orbital elements:
1999 HC12
Eccentricity assumed
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Marsden
M 5.00564 (2000.0) P Q
n 0.00353920 Peri. 158.17331 -0.80633183 +0.54805769
a 42.6448106 Node 56.99173 -0.57428533 -0.63549351
e 0.0812810 Incl. 15.37922 -0.14151095 -0.54385730
P 278 H 6.8 G 0.15
Residuals in seconds of arc
990418 695 0.4- 0.9+ 990505 950 0.0 0.5- 000525 568 0.2- 0.0
990418 695 0.1+ 0.1- 990505 950 0.1- 0.1- 000525 568 0.3- 0.1-
990418 695 0.6+ 0.1- 990506 950 0.1- 0.1- 000526 568 0.5+ 0.1+
Ephemeris:
1999 HC12 a,e,i = 42.64, 0.08, 15 q = 39.179
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 06 15 14 36.78 -10 45.0 38.457 39.192 135.8 1.0 22.8
2000 06 25 14 36.26 -10 44.1 38.583 39.193 126.2 1.2 22.9
2000 07 05 14 35.88 -10 44.0 38.726 39.193 116.6 1.3 22.9
2000 07 15 14 35.64 -10 44.6 38.882 39.193 107.1 1.4 22.9
2000 07 25 14 35.56 -10 46.0 39.047 39.193 97.6 1.5 22.9
2000 08 04 14 35.64 -10 48.2 39.215 39.193 88.0 1.5 22.9
2000 08 14 14 35.88 -10 51.2 39.382 39.194 78.6 1.5 22.9
2000 08 24 14 36.28 -10 54.8 39.543 39.194 69.1 1.4 22.9
2000 09 03 14 36.83 -10 59.1 39.695 39.194 59.6 1.3 22.9
2000 09 13 14 37.51 -11 03.9 39.832 39.194 50.1 1.1 22.9
2000 09 23 14 38.32 -11 09.2 39.951 39.194 40.6 1.0 22.9
2000 10 03 14 39.23 -11 14.8 40.048 39.195 31.1 0.8 22.9
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-L60
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