MPEC 1999-P07 : 1998 PF
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 1999-P06
Read MPEC 1999-P08
M.P.E.C. 1999-P07 Issued 1999 Aug. 3, 15:45 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 PF
Revision to MPEC 1998-P12
Observations:
J98P00F 1C1999 08 01.81897 04 32 35.71 -14 46 42.7 413
J98P00F 1C1999 08 01.82145 04 32 35.96 -14 46 44.1 413
J98P00F 1C1999 08 01.82422 04 32 36.16 -14 46 45.5 413
J98P00F 1C1999 08 02.81688 04 34 06.13 -14 54 42.7 413
J98P00F 1C1999 08 02.81950 04 34 06.35 -14 54 44.0 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
990801 413 33.4- 25.4- 990802 413 33.8- 25.5- MPC 33079 +0.13 day
Orbital elements:
1998 PF
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 210.12555 (2000.0) P Q
n 0.34626150 Peri. 53.53762 -0.80336327 +0.50912564
a 2.0084757 Node 152.48594 -0.44865149 -0.85853815
e 0.2874862 Incl. 41.95843 +0.39156009 +0.06085506
P 2.85 H 15.0 G 0.15 U 4
Residuals in seconds of arc
980802 699 1.1+ 0.9+ 980805 611 1.7+ 1.2+ 980823 699 0.7+ 1.2+
980802 699 1.0+ 0.8+ 980806 758 1.0- 0.9+ 980823 699 0.2- 0.8+
980802 699 1.8+ 0.9+ 980806 758 0.4+ 0.6+ 980824 143 0.4- 0.3+
980803 611 0.6+ 0.7- 980806 046 0.3+ 0.5+ 980824 143 0.9+ 1.0+
980803 611 0.7+ 0.5+ 980806 046 0.1- 0.4- 980826 118 0.3- 0.4-
980803 611 0.6+ 0.1- 980806 046 0.5+ 0.2- 980826 118 0.1+ 0.4-
980804 954 0.1- 0.7- 980806 046 0.4+ 0.3- 980828 658 0.1- 0.0
980804 954 0.1- 0.7- 980810 046 0.2- 0.1+ 980828 658 0.7- 0.2-
980804 954 0.1- 0.7- 980810 046 0.1- 0.2+ 980828 658 0.8- 0.2-
980804 954 0.1- 0.8- 980810 046 0.2- 0.3+ 980829 422 0.5- 0.0
980804 954 0.2- 0.8- 980811 422 0.1+ 0.3+ 980829 422 0.6+ 0.4+
980804 954 0.6- 1.6- 980811 422 0.2- 0.2- 980829 422 0.4+ 0.4-
980804 658 0.1- 0.2- 980811 422 0.5- 0.3- 980829 426 0.2- 0.0
980804 658 0.1- 0.1- 980811 402 0.0 0.1+ 980829 426 0.0 0.1+
980804 658 0.1- 0.0 980811 402 0.1- 0.1+ 980829 426 0.1- 0.1+
980804 360 0.3- 0.0 980811 402 0.0 0.1- 980830 699 0.1+ 0.5+
980804 360 0.0 0.1- 980811 402 0.0 0.0 980830 699 0.2+ 0.3+
980804 360 0.2- 0.1+ 980811 540 0.2- 0.8- 980830 699 0.3- 0.8+
980804 954 0.9- 1.3- 980811 540 1.0+ 0.3- 980830 422 0.6- 0.6-
980804 954 0.6- 1.3- 980811 108 (0.9- 3.3+) 980830 422 0.1+ 0.3-
980805 954 0.4- 0.5- 980811 108 (0.6- 2.5+) 980830 422 0.3- 0.4+
980805 360 0.0 0.4+ 980813 659 0.6+ 1.1+ 980830 422 0.6- 0.2-
980805 360 0.0 0.2+ 980814 659 0.1- 1.4- 980908 402 0.1- 0.9-
980805 360 0.3- 0.0 980814 659 0.4- 0.1- 980908 402 0.0 0.5-
980805 046 0.1- 0.5- 980814 659 0.8+ 1.3+ 980908 402 0.1+ 0.9-
980805 046 0.8- 0.2+ 980814 659 0.0 0.5- 980927 422 1.0+ 0.2-
980805 046 0.2- 1.2+ 980814 659 0.0 0.8+ 981015 422 1.0+ 0.6+
980805 046 0.1- 0.0 980822 658 0.6- 0.1- 981015 422 0.8+ 1.1+
980805 046 0.2- 0.2- 980822 658 0.7- 0.2- 990801 413 0.0 0.0
980805 046 0.9- 0.6+ 980822 658 0.4- 0.2- 990801 413 0.4+ 0.2-
980805 557 0.1+ 0.6+ 980823 628 1.7- 1.6- 990801 413 0.3- 0.3-
980805 557 0.0 0.3- 980823 628 0.1+ 0.4+ 990802 413 0.1+ 0.1+
980805 611 0.8+ 0.4+ 980823 699 0.6+ 0.5+ 990802 413 0.1- 0.1+
Ephemeris:
1998 PF a,e,i = 2.01, 0.29, 42 q = 1.4311
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 07 31 04 29.83 -14 32.6 2.716 2.548 69.7 21.9 20.3
1999 08 10 04 44.73 -15 57.1 2.615 2.538 74.4 22.6 20.2
1999 08 20 04 58.77 -17 38.0 2.513 2.526 79.1 23.2 20.1
1999 08 30 05 11.75 -19 34.9 2.412 2.513 83.9 23.5 20.0
1999 09 09 05 23.42 -21 46.9 2.313 2.499 88.5 23.8 19.9
1999 09 19 05 33.47 -24 12.6 2.218 2.484 93.1 23.8 19.8
1999 09 29 05 41.54 -26 49.2 2.126 2.467 97.6 23.7 19.7
1999 10 09 05 47.26 -29 33.1 2.041 2.449 101.8 23.5 19.6
1999 10 19 05 50.17 -32 18.7 1.962 2.430 105.8 23.2 19.5
1999 10 29 05 49.88 -34 58.3 1.891 2.410 109.3 22.9 19.4
1999 11 08 05 46.07 -37 22.7 1.830 2.388 112.3 22.6 19.3
1999 11 18 05 38.68 -39 20.3 1.778 2.366 114.5 22.4 19.2
1999 11 28 05 28.11 -40 39.3 1.738 2.342 115.8 22.3 19.1
1999 12 08 05 15.31 -41 09.1 1.708 2.317 116.1 22.5 19.1
1999 12 18 05 01.76 -40 42.8 1.690 2.290 115.3 22.9 19.0
1999 12 28 04 49.17 -39 19.5 1.684 2.263 113.5 23.5 19.0
2000 01 07 04 38.97 -37 04.2 1.689 2.235 110.7 24.3 19.0
2000 01 17 04 32.12 -34 06.0 1.705 2.205 107.2 25.2 19.0
2000 01 27 04 28.98 -30 36.4 1.730 2.175 103.1 26.2 19.1
2000 02 06 04 29.51 -26 46.3 1.763 2.144 98.5 27.1 19.1
2000 02 16 04 33.43 -22 45.4 1.804 2.112 93.7 27.8 19.1
2000 02 26 04 40.37 -18 42.0 1.851 2.078 88.7 28.4 19.2
2000 03 07 04 49.93 -14 42.1 1.902 2.045 83.6 28.8 19.2
2000 03 17 05 01.81 -10 50.3 1.957 2.010 78.4 29.0 19.2
2000 03 27 05 15.68 -07 10.2 2.014 1.975 73.3 29.0 19.3
2000 04 06 05 31.31 -03 44.1 2.072 1.939 68.3 28.6 19.3
2000 04 16 05 48.50 -00 33.7 2.130 1.903 63.3 28.1 19.3
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-P07
Read MPEC 1999-P06
Read MPEC 1999-P08
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)