MPEC 1999-T39 : 1998 MT24
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M.P.E.C. 1999-T39 Issued 1999 Oct. 9, 21:30 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 MT24
Revision to MPEC 1998-N06
Observations:
J98M24T C1999 10 07.94710 23 24 56.31 +40 56 44.6 104
J98M24T C1999 10 07.95336 23 24 55.86 +40 56 41.2 104
J98M24T C1999 10 07.95962 23 24 55.34 +40 56 39.1 20.8 V 104
J98M24T C1999 10 08.96407 23 23 53.39 +40 50 03.0 104
J98M24T C1999 10 08.97650 23 23 52.57 +40 49 58.4 104
J98M24T C1999 10 08.98302 23 23 52.15 +40 49 56.1 20.9 V 104
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Identified by A. Boattini. Measurers L. Tesi, A. Boattini, M. Tombelli,
G. Forti. 0.40-m f/5 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
991007 104 8.2- 7.4- 991008 104 7.3- 7.8- MPC 33346 +0.0021 day
Orbital elements:
1998 MT24
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 139.16191 (2000.0) P Q
n 0.26196561 Peri. 253.77521 -0.78948382 +0.43976333
a 2.4190222 Node 310.00360 -0.05972427 -0.74932578
e 0.6504644 Incl. 33.98367 -0.61085866 -0.49509504
P 3.76 H 14.7 G 0.15 U 3
Residuals in seconds of arc
980629 704 1.4- 0.2- 980721 046 0.2+ 0.2+ 980815 108 (1.0+ 3.7+)
980629 704 (2.7- 1.0+) 980721 046 0.4+ 0.3+ 980816 557 0.8+ 0.5-
980629 704 (4.5- 0.2+) 980721 118 0.3+ 0.2- 980816 557 0.1- 0.5-
980629 704 1.9- 0.8+ 980721 118 0.4+ 0.1+ 980816 046 0.2- 0.4-
980630 704 1.3+ 0.4- 980721 557 0.2+ 0.1+ 980816 046 0.0 0.5-
980630 704 0.7+ 0.3+ 980722 557 0.6+ 0.0 980816 046 0.2- 0.5-
980630 704 0.7- 1.1+ 980722 557 0.5+ 0.7+ 980817 426 0.6- 0.4-
980630 704 1.4- 0.1+ 980724 557 0.6- 0.4+ 980817 426 0.9- 0.2+
980630 704 1.0+ 0.8+ 980725 557 0.2- 0.1- 980817 426 0.6- 0.1-
980701 557 0.1- 0.7- 980725 557 0.1- 0.0 980817 118 0.8- 0.1-
980701 557 0.1+ 0.8- 980725 557 0.1- 0.2- 980817 118 0.7- 0.1-
980701 557 0.2- 0.2+ 980725 557 0.1- 0.3- 980818 046 0.0 0.0
980701 734 0.4- 1.0- 980730 633 0.9- 0.1- 980818 046 0.1+ 0.2-
980701 734 1.1+ 0.9- 980730 633 0.2- 0.3- 980818 046 0.0 0.0
980701 734 0.0 1.1- 980730 633 0.3+ 0.0 980820 557 0.1- 0.4+
980701 426 0.6- 0.7- 980730 108 (2.5+ 0.6+) 980820 557 0.1- 0.2+
980701 426 0.2- 0.5- 980730 108 2.0+ 0.1+ 980820 557 0.4- 0.4+
980701 426 0.8- 0.4- 980730 108 (2.4+ 0.1+) 980820 557 0.4- 0.3+
980701 426 0.0 0.1- 980731 557 0.1- 0.1- 980820 360 0.2- 0.2+
980702 784 0.2+ 0.6- 980731 557 1.0+ 0.1- 980820 360 0.5- 0.1-
980702 784 0.0 0.2- 980731 557 0.1- 0.4- 980820 360 0.1- 0.2-
980702 784 0.1- 0.0 980801 557 0.6+ 0.6- 980821 143 0.1+ 0.6-
980702 784 0.1- 0.2- 980801 557 0.8- 0.2+ 980821 143 (2.1- 0.4+)
980702 784 0.0 0.6- 980801 557 1.0+ 0.5- 980827 704 0.3+ 0.7+
980702 402 0.0 0.2- 980802 699 0.8+ 0.2+ 980827 704 0.3+ 1.2+
980702 422 0.3- 1.0- 980802 699 1.0+ 0.6+ 980827 704 0.7+ 1.8-
980702 422 0.2+ 0.2- 980802 699 1.5+ 0.5+ 980827 704 1.0+ 0.6+
980702 422 0.3- 0.1- 980802 658 0.3- 0.1+ 980827 704 0.0 0.6+
980702 402 0.1+ 0.3- 980802 658 0.1- 0.2+ 980827 658 0.8- 0.2+
980702 422 0.8+ 0.3- 980802 658 0.4- 0.1+ 980827 658 1.2- 0.2+
980702 422 0.4- 0.4- 980803 658 0.3- 0.2+ 980827 658 0.3- 0.0
980702 402 0.0 0.0 980803 658 0.1- 0.4+ 980831 046 1.1- 0.3+
980703 402 0.8- 0.2+ 980803 658 0.6- 0.3+ 980831 046 0.8- 0.7+
980703 402 0.5- 0.2+ 980804 954 0.4- 0.1- 980831 046 1.1- 0.2+
980703 402 0.6- 0.1+ 980804 954 0.4- 0.1- 980902 860 (3.9- 1.0+)
980704 422 0.0 0.1- 980805 557 0.7- 0.1+ 980902 860 0.2- 0.1+
980704 422 1.0- 0.4+ 980805 046 0.0 0.0 980907 557 1.0- 0.8+
980704 422 0.5- 0.3+ 980805 046 0.3- 0.1- 980907 557 0.0 0.2+
980705 402 0.6- 0.2+ 980805 046 0.4+ 0.1+ 980907 557 0.1- 0.5-
980705 402 0.5- 0.1+ 980805 557 0.5+ 0.3- 980909 046 0.2- 0.1-
980705 402 0.7- 0.2+ 980805 118 0.2+ 0.1- 980909 046 0.3- 0.1+
980706 360 0.5- 0.3- 980805 118 0.4+ 0.1- 980909 046 0.1- 0.1+
980706 360 0.7- 0.1+ 980805 557 0.8+ 0.1+ 980909 118 0.6+ 0.6-
980706 360 0.4- 0.2+ 980806 954 (2.1+ 0.1+) 980909 118 0.5+ 0.1-
980710 658 0.6- 0.3+ 980806 954 (2.3+ 0.1-) 980909 118 0.5- 0.2-
980710 658 0.4- 0.0 980806 118 0.6+ 0.0 980910 402 0.5- 0.1+
980710 658 0.5- 0.4+ 980806 118 0.8+ 0.0 980910 402 0.3- 0.1-
980715 557 0.1+ 0.5+ 980806 046 0.1- 0.3- 980910 402 0.5- 0.0
980715 557 0.6+ 0.5+ 980806 046 0.0 0.0 980917 360 0.0 0.2-
980715 557 0.1- 0.5+ 980806 046 0.3- 0.1+ 980917 360 0.2+ 0.4-
980716 104 1.1- 0.3- 980806 046 0.7+ 0.3+ 980917 360 0.0 0.0
980716 104 1.9+ 0.3- 980810 557 0.3+ 0.3+ 980923 658 0.0 0.5+
980716 104 1.0+ 0.4+ 980810 557 0.2+ 0.1+ 980923 658 0.2- 0.6+
980716 104 0.8+ 1.2+ 980810 046 0.3+ 0.1+ 980923 658 0.4+ 0.5+
980717 587 0.2+ 0.1+ 980810 046 0.1+ 0.7+ 981020 658 0.1+ 0.7-
980717 587 0.1+ 0.3- 980810 046 0.1+ 0.1+ 981020 658 0.2- 0.7-
980718 046 0.4+ 0.7- 980810 557 0.0 0.1+ 981020 658 0.1- 1.1-
980718 046 0.4+ 0.7- 980811 557 0.1+ 0.2+ 981024 557 0.5+ 0.1-
980718 046 0.8+ 0.4- 980811 557 0.0 0.1+ 981024 557 0.0 0.0
980718 402 0.0 0.1- 980811 402 0.4+ 0.2+ 981024 557 0.8- 1.2-
980718 402 0.0 0.0 980811 402 0.1+ 0.3+ 981115 711 0.0 0.1-
980718 402 0.0 0.0 980811 402 0.0 0.4+ 981116 711 0.6- 0.2-
980719 557 0.5+ 0.1+ 980811 108 0.1- 0.1+ 981116 711 0.4- 0.1-
980719 557 0.6+ 0.8+ 980811 108 0.5- 0.6- 981117 711 0.5- 0.1+
980720 118 0.2+ 0.3+ 980811 108 0.7+ 0.9- 981117 711 0.3- 0.3+
980720 557 0.4+ 0.1- 980814 587 0.7+ 0.1+ 991007 104 0.4- 0.4+
980720 118 0.3+ 0.2+ 980814 587 0.1+ 0.3+ 991007 104 1.0- 0.5-
980720 046 0.1+ 0.5- 980815 118 0.1+ 0.2+ 991007 104 (2.4- 0.2-)
980720 046 0.1+ 0.7- 980815 118 0.5+ 0.1+ 991008 104 1.0+ 0.7-
980720 046 0.1+ 0.6- 980815 557 0.2+ 0.3+ 991008 104 0.5+ 0.3-
980720 557 0.0 0.4+ 980815 557 0.5+ 0.3+ 991008 104 0.4+ 0.0
980720 557 0.5+ 0.5+ 980815 108 0.8+ 0.3+
980721 046 0.2+ 0.3+ 980815 108 0.6- 1.2+
Ephemeris:
1998 MT24 a,e,i = 2.42, 0.65, 34 q = 0.8455
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 10 09 23 23.85 +40 49.8 3.123 3.937 139.5 9.5 20.8
1999 10 19 23 14.52 +39 34.8 3.160 3.948 137.1 9.9 20.8
1999 10 29 23 07.30 +38 07.8 3.220 3.958 132.3 10.7 20.9
1999 11 08 23 02.45 +36 36.1 3.303 3.966 125.9 11.7 21.0
1999 11 18 23 00.00 +35 06.4 3.404 3.974 118.6 12.6 21.1
1999 11 28 22 59.82 +33 44.0 3.520 3.980 110.9 13.4 21.2
1999 12 08 23 01.69 +32 32.6 3.647 3.985 102.9 13.9 21.3
1999 12 18 23 05.36 +31 34.3 3.780 3.988 95.0 14.2 21.4
1999 12 28 23 10.56 +30 50.4 3.917 3.991 87.2 14.2 21.5
2000 01 07 23 17.07 +30 21.0 4.052 3.992 79.5 14.0 21.5
2000 01 17 23 24.68 +30 05.6 4.184 3.992 72.1 13.6 21.6
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-T39
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