MPEC 1998-F12 : 1998 FF2
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M.P.E.C. 1998-F12 Issued 1998 Mar. 23, 13:40 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 FF2
Observations:
J98F02F* C1998 03 20.13498 11 48 40.89 +05 54 06.6 18.4 704
J98F02F C1998 03 20.15536 11 48 38.21 +05 53 57.7 18.5 704
J98F02F C1998 03 20.19561 11 48 32.82 +05 53 39.4 18.9 704
J98F02F C1998 03 20.21613 11 48 30.08 +05 53 31.1 18.9 704
J98F02F SC1998 03 21.79597 11 45 03.49 +05 42 00.5 17.7 R 046
J98F02F SC1998 03 21.80113 11 45 02.83 +05 41 57.0 046
J98F02F C1998 03 21.85955 11 44 54.83 +05 41 33.9 18.3 R 106
J98F02F C1998 03 21.86884 11 44 53.55 +05 41 29.6 106
J98F02F C1998 03 21.89914 11 44 49.40 +05 41 16.4 106
J98F02F C1998 03 21.95044 11 44 42.24 +05 40 52.2 557
J98F02F C1998 03 21.95207 11 44 42.10 +05 40 50.2 18.3 V 557
J98F02F C1998 03 21.95370 11 44 41.87 +05 40 50.0 557
J98F02F C1998 03 21.95697 11 44 41.39 +05 40 48.4 557
J98F02F C1998 03 22.01668 11 44 33.23 +05 40 22.3 557
J98F02F C1998 03 22.82747 11 42 46.32 +05 34 09.1 108
J98F02F C1998 03 22.83031 11 42 45.53 +05 34 07.0 557
J98F02F C1998 03 22.83265 11 42 45.29 +05 34 05.3 18.6 V 557
J98F02F SC1998 03 22.83498 11 42 44.98 +05 34 04.5 557
J98F02F C1998 03 22.84370 11 42 44.00 +05 34 02.8 18.0 V 108
J98F02F C1998 03 23.04471 11 42 15.76 +05 32 25.6 557
J98F02F C1998 03 23.04669 11 42 15.52 +05 32 24.2 557
J98F02F C1998 03 23.04867 11 42 15.23 +05 32 23.1 557
J98F02F C1998 03 23.05065 11 42 14.98 +05 32 22.9 18.6 V 557
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
106 Crni Vrh. Observers H. Mikuz, B. Dintinjana. 0.36-m f/6.7
Schmidt-Cassegrain + CCD.
108 Montelupo. Observers M. Tombelli, A. Boattini, G. Forti. 0.30-m f/5.7
Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1998 FF2
Epoch 1998 Mar. 8.0 TT = JDT 2450880.5 Williams
M 294.19146 (2000.0) P Q
n 0.51304314 Peri. 264.66869 -0.00779644 +0.99983876
a 1.5453735 Node 4.97149 -0.82754142 +0.00262969
e 0.2827086 Incl. 10.75790 -0.56135053 -0.01776315
P 1.92 H 19.0 G 0.15
From 23 observations 1998 Mar. 20-23.
Ephemeris:
1998 FF2 a,e,i = 1.55, 0.28, 11 q = 1.1085
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 03 18 11 53.18 +06 08.5 0.449 1.443 174.9 3.5 18.4
1998 03 23 11 42.37 +05 33.0 0.430 1.422 170.9 6.3 18.4
1998 03 28 11 31.00 +04 49.5 0.415 1.402 164.2 11.2 18.5
1998 04 02 11 19.61 +03 57.3 0.405 1.382 157.1 16.4 18.6
1998 04 07 11 08.77 +02 56.6 0.399 1.362 150.0 21.6 18.7
1998 04 12 10 58.97 +01 48.2 0.397 1.341 143.1 26.6 18.8
1998 04 17 10 50.55 +00 32.9 0.398 1.322 136.6 31.5 18.9
1998 04 22 10 43.76 -00 48.1 0.401 1.302 130.5 35.9 19.1
1998 04 27 10 38.74 -02 14.0 0.407 1.283 124.9 40.0 19.2
1998 05 02 10 35.53 -03 44.4 0.413 1.265 119.8 43.8 19.3
1998 05 07 10 34.07 -05 18.9 0.419 1.247 115.2 47.1 19.4
1998 05 12 10 34.24 -06 57.1 0.426 1.229 111.0 50.1 19.5
1998 05 17 10 35.94 -08 39.1 0.433 1.213 107.3 52.8 19.5
1998 05 22 10 39.06 -10 24.7 0.440 1.197 104.0 55.2 19.6
1998 05 27 10 43.52 -12 14.0 0.445 1.182 101.0 57.3 19.7
1998 06 01 10 49.25 -14 07.1 0.450 1.169 98.5 59.1 19.7
1998 06 06 10 56.17 -16 04.1 0.454 1.156 96.3 60.7 19.8
1998 06 11 11 04.25 -18 04.8 0.457 1.145 94.4 62.2 19.8
1998 06 16 11 13.47 -20 08.8 0.459 1.135 92.8 63.4 19.8
1998 06 21 11 23.86 -22 15.9 0.461 1.127 91.5 64.4 19.9
1998 06 26 11 35.50 -24 25.6 0.461 1.120 90.5 65.2 19.9
1998 07 01 11 48.45 -26 37.4 0.461 1.114 89.7 65.8 19.9
1998 07 06 12 02.82 -28 50.3 0.461 1.111 89.3 66.2 19.9
1998 07 11 12 18.71 -31 02.9 0.460 1.109 89.1 66.4 19.9
1998 07 16 12 36.28 -33 13.4 0.459 1.109 89.1 66.5 19.9
1998 07 21 12 55.71 -35 19.4 0.458 1.110 89.4 66.3 19.9
1998 07 26 13 17.16 -37 18.2 0.458 1.113 89.9 65.8 19.9
1998 07 31 13 40.71 -39 06.6 0.458 1.118 90.6 65.2 19.9
1998 08 05 14 06.38 -40 40.5 0.460 1.124 91.4 64.4 19.9
1998 08 10 14 34.03 -41 55.7 0.464 1.132 92.4 63.4 19.9
1998 08 15 15 03.37 -42 48.0 0.469 1.142 93.5 62.3 19.9
1998 08 20 15 33.92 -43 14.2 0.476 1.152 94.6 61.1 19.9
1998 08 25 16 05.08 -43 12.6 0.486 1.165 95.7 59.7 19.9
1998 08 30 16 36.13 -42 43.0 0.499 1.178 96.8 58.4 19.9
1998 09 04 17 06.39 -41 47.2 0.514 1.192 97.7 57.0 20.0
1998 09 09 17 35.32 -40 28.4 0.533 1.208 98.5 55.6 20.1
1998 09 14 18 02.57 -38 50.8 0.555 1.224 99.2 54.2 20.1
1998 09 19 18 27.98 -36 58.9 0.580 1.241 99.6 53.0 20.2
1998 09 24 18 51.56 -34 57.1 0.609 1.259 99.8 51.8 20.3
1998 09 29 19 13.38 -32 49.3 0.641 1.277 99.8 50.6 20.4
1998 10 04 19 33.59 -30 38.6 0.675 1.296 99.5 49.6 20.6
1998 10 09 19 52.35 -28 27.4 0.713 1.316 99.1 48.6 20.7
1998 10 14 20 09.84 -26 17.4 0.753 1.335 98.4 47.6 20.8
1998 10 19 20 26.24 -24 09.7 0.797 1.355 97.6 46.8 20.9
1998 10 24 20 41.70 -22 05.0 0.842 1.375 96.6 45.9 21.1
1998 10 29 20 56.37 -20 03.8 0.890 1.396 95.5 45.1 21.2
1998 11 03 21 10.35 -18 06.3 0.940 1.416 94.2 44.3 21.3
1998 11 08 21 23.74 -16 12.5 0.992 1.437 92.8 43.5 21.5
1998 11 13 21 36.63 -14 22.2 1.046 1.457 91.3 42.8 21.6
1998 11 18 21 49.09 -12 35.3 1.102 1.477 89.7 42.0 21.7
1998 11 23 22 01.20 -10 51.5 1.159 1.497 88.1 41.2 21.8
1998 11 28 22 13.01 -09 10.6 1.218 1.517 86.3 40.5 21.9
1998 12 03 22 24.55 -07 32.4 1.277 1.537 84.5 39.7 22.0
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-F12
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