MPEC 1998-P12 : 1998 PF
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M.P.E.C. 1998-P12 Issued 1998 Aug. 6, 19:46 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
1998 PF
Observations:
J98P00F* C1998 08 02.31912 22 04 37.01 +04 58 45.6 18.0 R 699
J98P00F C1998 08 02.34074 22 04 35.57 +04 58 11.2 699
J98P00F C1998 08 02.36307 22 04 34.14 +04 57 35.8 699
J98P00F C1998 08 03.95035 22 02 51.66 +04 14 56.5 16.8 R 611
J98P00F C1998 08 03.95521 22 02 51.34 +04 14 49.8 17.0 R 611
J98P00F C1998 08 03.95868 22 02 51.10 +04 14 43.5 16.8 R 611
J98P00F C1998 08 04.04110 22 02 45.67 +04 12 30.8 17.0 954
J98P00F C1998 08 04.04943 22 02 45.10 +04 12 17.2 16.9 954
J98P00F C1998 08 04.05177 22 02 44.94 +04 12 13.4 16.9 954
J98P00F C1998 08 04.05412 22 02 44.78 +04 12 09.5 16.8 954
J98P00F C1998 08 04.06211 22 02 44.23 +04 11 56.5 17.0 954
J98P00F C1998 08 04.06462 22 02 44.03 +04 11 51.6 16.8 954
J98P00F C1998 08 04.33032 22 02 26.64 +04 04 36.1 658
J98P00F C1998 08 04.33495 22 02 26.33 +04 04 28.6 658
J98P00F C1998 08 04.33833 22 02 26.10 +04 04 23.2 658
J98P00F C1998 08 04.72517 22 02 00.30 +03 53 48.9 360
J98P00F C1998 08 04.73125 22 01 59.90 +03 53 38.8 17.9 V 360
J98P00F C1998 08 04.73455 22 01 59.66 +03 53 33.6 360
J98P00F C1998 08 04.98453 22 01 43.46 +03 46 40.0 954
J98P00F C1998 08 04.99654 22 01 42.65 +03 46 20.1 954
J98P00F C1998 08 05.06286 22 01 38.08 +03 44 31.2 954
J98P00F C1998 08 05.73299 22 00 53.05 +03 25 56.9 17.9 V 360
J98P00F C1998 08 05.73646 22 00 52.81 +03 25 50.9 360
J98P00F C1998 08 05.73993 22 00 52.55 +03 25 44.9 360
J98P00F C1998 08 05.85823 22 00 45.05 +03 22 24.8 046
J98P00F C1998 08 05.85933 22 00 44.93 +03 22 23.7 046
J98P00F C1998 08 05.86086 22 00 44.86 +03 22 22.1 16.4 V 046
J98P00F C1998 08 05.86228 22 00 44.77 +03 22 18.6 046
J98P00F C1998 08 05.86414 22 00 44.64 +03 22 15.3 046
J98P00F C1998 08 05.86542 22 00 44.50 +03 22 13.9 046
J98P00F C1998 08 05.88925 22 00 42.92 +03 21 34.0 557
J98P00F C1998 08 05.89123 22 00 42.78 +03 21 29.8 557
J98P00F C1998 08 05.93542 22 00 39.81 +03 20 16.5 17.1 R 611
J98P00F C1998 08 05.95937 22 00 38.21 +03 19 37.2 611
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
557 Ondrejov. Observers M. Wolf, L. Sarounova. 0.65-m f/3.6 reflector + CCD.
611 Starkenburg. Observers R. Stoss, S. Delp, M. Busch. 0.45-m f/4.4
reflector + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
699 Lowell Observatory-LONEOS. Observer C. A. Onken. Measurers B. W. Koehn,
E. Bowell. 0.59-m LONEOS Schmidt + CCD.
954 Teide Observatory. Observers F. Casarramona, E. Vigil, A. Oscoz,
M. R. Osorio. Measurers E. Vigil, F. Casarramona. 0.80-m f/11 reflector
+ CCD.
Orbital elements:
1998 PF
Epoch 1998 July 26.0 TT = JDT 2451020.5 Williams
M 75.77359 (2000.0) P Q
n 0.31906427 Peri. 57.38307 -0.74979360 +0.56755096
a 2.1210485 Node 151.90863 -0.48060090 -0.82047012
e 0.2820363 Incl. 46.24900 +0.45478822 +0.06866360
P 3.09 H 14.0 G 0.15
From 34 observations 1998 Aug. 2-5.
Ephemeris:
1998 PF a,e,i = 2.12, 0.28, 46 q = 1.5228
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 05 22 01.70 +03 46.3 1.216 2.174 154.1 11.8 16.8
1998 08 10 21 56.00 +01 24.4 1.208 2.190 160.6 8.9 16.7
1998 08 15 21 50.07 -01 03.9 1.208 2.206 166.5 6.1 16.6
1998 08 20 21 44.11 -03 35.2 1.217 2.222 170.5 4.3 16.5
1998 08 25 21 38.31 -06 06.0 1.235 2.237 169.8 4.6 16.6
1998 08 30 21 32.85 -08 32.7 1.262 2.253 165.2 6.6 16.8
1998 09 04 21 27.90 -10 52.4 1.297 2.268 159.2 9.1 17.0
1998 09 09 21 23.57 -13 03.0 1.339 2.283 152.9 11.6 17.1
1998 09 14 21 19.96 -15 02.8 1.389 2.298 146.7 13.9 17.3
1998 09 19 21 17.13 -16 51.0 1.446 2.312 140.6 16.0 17.5
1998 09 24 21 15.13 -18 27.5 1.508 2.327 134.7 17.8 17.7
1998 09 29 21 13.96 -19 52.4 1.576 2.341 129.1 19.4 17.8
1998 10 04 21 13.62 -21 06.3 1.647 2.355 123.7 20.7 18.0
1998 10 09 21 14.06 -22 09.9 1.723 2.368 118.5 21.8 18.1
1998 10 14 21 15.24 -23 04.1 1.800 2.382 113.6 22.6 18.2
1998 10 19 21 17.12 -23 49.6 1.881 2.395 108.8 23.2 18.4
1998 10 24 21 19.66 -24 27.3 1.962 2.408 104.2 23.6 18.5
1998 10 29 21 22.79 -24 57.8 2.045 2.421 99.8 23.9 18.6
1998 11 03 21 26.48 -25 21.9 2.129 2.433 95.5 23.9 18.7
1998 11 08 21 30.66 -25 40.2 2.213 2.446 91.3 23.9 18.8
1998 11 13 21 35.28 -25 53.3 2.296 2.458 87.3 23.7 18.9
1998 11 18 21 40.31 -26 01.6 2.379 2.469 83.4 23.4 19.0
1998 11 23 21 45.71 -26 05.7 2.461 2.481 79.6 23.1 19.0
1998 11 28 21 51.44 -26 05.8 2.542 2.492 75.9 22.6 19.1
1998 12 03 21 57.46 -26 02.4 2.620 2.503 72.3 22.0 19.1
1998 12 08 22 03.74 -25 55.9 2.698 2.514 68.7 21.4 19.2
1998 12 13 22 10.24 -25 46.4 2.773 2.524 65.3 20.7 19.2
1998 12 18 22 16.96 -25 34.3 2.845 2.534 61.9 20.0 19.3
1998 12 23 22 23.86 -25 19.8 2.915 2.544 58.6 19.3 19.3
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-P12
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