MPEC 2000-Q10: 1999 DF9
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M.P.E.C. 2000-Q10 Issued 2000 Aug. 19, 22:29 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 DF9
Observations:
J99D09F*6C1999 02 20.29914 10 15 20.02 +11 26 27.0 21.5 R 695
J99D09F 6C1999 02 20.34947 10 15 19.74 +11 26 27.8 21.5 R 695
J99D09F 6C1999 02 20.39919 10 15 19.49 +11 26 29.4 21.5 R 695
J99D09F 1C1999 04 12.37862 10 11 44.10 +11 43 50.9 21.0 R 568
J99D09F 1C1999 04 12.41296 10 11 44.01 +11 43 51.1 21.0 R 568
J99D09F 1C1999 05 06.36492 10 11 01.78 +11 46 20.6 21.9 R 568
J99D09F 1C1999 05 07.23740 10 11 01.23 +11 46 20.6 21.9 R 568
J99D09F 1C2000 05 06.27118 10 16 26.30 +10 59 08.5 22.1 R 568
J99D09F 1C2000 05 06.33998 10 16 26.25 +10 59 08.4 22.1 R 568
J99D09F 1C2000 05 07.24338 10 16 25.62 +10 59 09.0 22.1 R 568
J99D09F 1C2000 05 07.29106 10 16 25.58 +10 59 09.1 22.0 R 568
Observer details:
568 Mauna Kea. Observers D. C. Jewitt, C. A. Trujillo, S. S. Sheppard, D. J.
Tholen. 2.2-m University of Hawaii reflector + CCD.
695 Kitt Peak. Observers J. X. Luu, C. A. Trujillo, J. Kleyna, A. Bosh,
A. Sickafoose. 0.9 m reflector + CCD.
Orbital elements:
1999 DF9
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Marsden
M 8.16641 (2000.0) P Q
n 0.00311572 Peri. 168.07152 -0.79904623 -0.59688143
a 46.4262901 Node 334.84506 +0.53667990 -0.65363047
e 0.1447301 Incl. 9.82180 +0.27110849 -0.46529535
P 316 H 6.0 G 0.15 U 6
Residuals in seconds of arc
990220 695 0.1+ 0.3+ 990412 568 0.0 0.0 000506 568 0.0 0.1+
990220 695 0.2- 0.2- 990506 568 0.2- 0.0 000507 568 0.1- 0.1-
990220 695 0.2- 0.2+ 990507 568 0.2- 0.0 000507 568 0.1- 0.0
990412 568 0.1- 0.2+ 000506 568 0.1- 0.2+
Ephemeris:
1999 DF9 a,e,i = 46.43, 0.14, 10 q = 39.707
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 10 03 10 27.07 +09 51.1 40.615 39.801 35.2 0.8 22.2
2000 10 13 10 27.90 +09 45.8 40.503 39.802 44.9 1.0 22.2
2000 10 23 10 28.63 +09 41.2 40.371 39.803 54.6 1.2 22.2
2000 11 02 10 29.23 +09 37.2 40.222 39.804 64.4 1.3 22.2
2000 11 12 10 29.69 +09 34.1 40.060 39.804 74.3 1.4 22.2
2000 11 22 10 30.00 +09 31.9 39.891 39.805 84.3 1.4 22.2
2000 12 02 10 30.15 +09 30.6 39.718 39.806 94.4 1.4 22.2
2000 12 12 10 30.13 +09 30.2 39.548 39.806 104.6 1.4 22.2
2000 12 22 10 29.95 +09 30.8 39.385 39.807 114.8 1.3 22.2
2001 01 01 10 29.62 +09 32.3 39.235 39.808 125.1 1.2 22.1
2001 01 11 10 29.15 +09 34.7 39.103 39.809 135.4 1.0 22.1
2001 01 21 10 28.55 +09 37.7 38.992 39.809 145.7 0.8 22.1
2001 01 31 10 27.85 +09 41.3 38.908 39.810 156.1 0.6 22.1
2001 02 10 10 27.09 +09 45.2 38.851 39.811 166.4 0.3 22.0
2001 02 20 10 26.28 +09 49.5 38.824 39.812 176.7 0.1 22.0
2001 03 02 10 25.46 +09 53.7 38.828 39.812 173.0 0.2 22.0
2001 03 12 10 24.66 +09 57.9 38.863 39.813 162.8 0.4 22.0
2001 03 22 10 23.92 +10 01.7 38.926 39.814 152.7 0.7 22.1
2001 04 01 10 23.25 +10 05.1 39.016 39.815 142.6 0.9 22.1
2001 04 11 10 22.68 +10 07.8 39.130 39.815 132.6 1.1 22.1
2001 04 21 10 22.24 +10 09.9 39.264 39.816 122.7 1.2 22.1
2001 05 01 10 21.94 +10 11.2 39.414 39.817 112.9 1.3 22.2
2001 05 11 10 21.78 +10 11.6 39.575 39.818 103.2 1.4 22.2
2001 05 21 10 21.78 +10 11.2 39.743 39.818 93.5 1.5 22.2
2001 05 31 10 21.94 +10 09.8 39.913 39.819 84.0 1.5 22.2
2001 06 10 10 22.25 +10 07.6 40.079 39.820 74.5 1.4 22.2
2001 06 20 10 22.70 +10 04.5 40.239 39.821 65.1 1.3 22.2
2001 06 30 10 23.30 +10 00.7 40.386 39.822 55.7 1.2 22.2
2001 07 10 10 24.01 +09 56.1 40.517 39.822 46.3 1.1 22.2
2001 07 20 10 24.83 +09 51.0 40.630 39.823 37.0 0.9 22.2
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-Q10
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