MPEC 2000-G21: 1999 HS11
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M.P.E.C. 2000-G21 Issued 2000 Apr. 6, 15:22 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 HS11
Revision to MPEC 1999-K12
Observations:
J99H11S 6C2000 03 29.53373 13 40 22.06 -07 36 39.8 22.9 R 568
J99H11S 6C2000 03 29.56239 13 40 21.94 -07 36 39.0 22.6 R 568
J99H11S 6C2000 03 29.59068 13 40 21.85 -07 36 38.4 22.7 R 568
J99H11S C2000 04 05.29860 13 39 53.36 -07 33 48.6 22.8 R 709
J99H11S FC2000 04 05.35155 13 39 53.24 -07 33 48.8 22.8 R 709
J99H11S FC2000 04 05.40449 13 39 53.03 -07 33 47.2 23.2 R 709
Observer details:
568 Mauna Kea. Observers B. Gladman, J. Kavelaars, J. Petit, M. Holman.
3.6-m Canada-France-Hawaii Telescope + CCD.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
Orbital elements:
1999 HS11
Eccentricity assumed
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Marsden
M 84.36572 (2000.0) P Q
n 0.00339090 Peri. 11.61251 -0.45708746 -0.88834719
a 43.8792814 Node 105.59968 +0.81235202 -0.43698503
e 0.0345090 Incl. 2.60091 +0.36215364 -0.14100835
P 291 H 6.7 G 0.15
Residuals in seconds of arc
990417 695 0.0 0.1+ 990505 950 0.1+ 0.1- 000329 568 0.5+ 0.1+
990417 695 0.1+ 0.0 990506 950 0.3+ 0.2+ 000405 709 1.4- 0.8+
990417 695 0.2- 0.0 000329 568 0.1+ 0.2+ 000405 709 0.2+ 0.8-
990505 950 0.3- 0.3- 000329 568 0.1+ 0.2+ 000405 709 0.5+ 0.5-
Ephemeris:
1999 HS11 a,e,i = 43.88, 0.03, 3 q = 42.365
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 04 06 13 39.84 -07 33.5 42.799 43.786 170.3 0.2 23.1
2000 04 16 13 39.11 -07 29.3 42.785 43.787 177.3 0.1 23.1
2000 04 26 13 38.38 -07 25.2 42.799 43.788 169.1 0.2 23.1
2000 05 06 13 37.68 -07 21.3 42.843 43.789 159.4 0.5 23.2
2000 05 16 13 37.03 -07 17.8 42.915 43.790 149.6 0.7 23.2
2000 05 26 13 36.45 -07 14.8 43.011 43.791 139.9 0.9 23.2
2000 06 05 13 35.96 -07 12.5 43.130 43.792 130.2 1.0 23.2
2000 06 15 13 35.59 -07 10.8 43.268 43.792 120.5 1.1 23.3
2000 06 25 13 35.34 -07 10.0 43.420 43.793 110.9 1.2 23.3
2000 07 05 13 35.22 -07 09.9 43.582 43.794 101.4 1.3 23.3
2000 07 15 13 35.23 -07 10.7 43.750 43.795 91.9 1.3 23.3
2000 07 25 13 35.39 -07 12.2 43.919 43.796 82.4 1.3 23.3
2000 08 04 13 35.69 -07 14.6 44.085 43.797 72.9 1.3 23.3
2000 08 14 13 36.12 -07 17.7 44.241 43.798 63.4 1.2 23.3
2000 08 24 13 36.67 -07 21.4 44.386 43.799 54.0 1.1 23.3
2000 09 03 13 37.33 -07 25.7 44.513 43.800 44.5 0.9 23.3
2000 09 13 13 38.09 -07 30.5 44.621 43.801 35.0 0.8 23.3
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-G21
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