MPEC 1998-F13 : 1998 FG2
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M.P.E.C. 1998-F13 Issued 1998 Mar. 23, 13:48 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 FG2
Observations:
J98F02G* C1998 03 21.33348 13 41 51.03 -11 04 50.3 17.7 R 683
J98F02G C1998 03 21.35658 13 41 42.98 -11 04 57.2 17.6 R 683
J98F02G C1998 03 21.37909 13 41 35.13 -11 05 03.6 18.1 R 683
J98F02G C1998 03 21.46442 13 41 05.63 -11 05 28.0 18.1 R 683
J98F02G C1998 03 21.47060 13 41 03.44 -11 05 29.9 17.8 R 683
J98F02G C1998 03 21.49929 13 40 53.65 -11 05 36.5 18.0 R 683
J98F02G C1998 03 21.51571 13 40 48.16 -11 05 40.3 17.9 R 683
J98F02G C1998 03 22.08171 13 37 52.30 -11 08 26.9 620
J98F02G C1998 03 22.08646 13 37 50.79 -11 08 28.2 620
J98F02G C1998 03 22.09271 13 37 48.81 -11 08 29.8 18.1 R 620
J98F02G C1998 03 22.09942 13 37 46.68 -11 08 31.5 620
J98F02G C1998 03 22.21723 13 37 14.42 -11 08 49.9 683
J98F02G C1998 03 22.22542 13 37 11.70 -11 08 51.0 683
J98F02G C1998 03 22.40072 13 36 13.97 -11 09 38.7 17.9 R 683
J98F02G C1998 03 22.40873 13 36 11.43 -11 09 40.9 18.8 R 683
J98F02G C1998 03 22.41701 13 36 08.65 -11 09 42.7 18.4 R 683
J98F02G C1998 03 22.47935 13 35 48.16 -11 09 55.2 17.4 R 683
J98F02G C1998 03 22.48292 13 35 53.28 -11 08 40.7 18.5 R 422
J98F02G bC1998 03 22.48449 13 35 52.76 -11 08 41.3 18.8 R 422
J98F02G C1998 03 22.48608 13 35 52.27 -11 08 41.9 18.2 R 422
J98F02G C1998 03 22.48741 13 35 45.87 -11 09 55.6 17.6 R 683
J98F02G C1998 03 22.50451 13 35 40.13 -11 10 01.0 17.6 R 683
J98F02G C1998 03 22.50772 13 35 45.35 -11 08 48.1 18.4 R 422
J98F02G C1998 03 22.50955 13 35 44.75 -11 08 48.9 18.7 R 422
J98F02G C1998 03 22.51508 13 35 36.73 -11 10 03.4 17.3 R 683
J98F02G C1998 03 22.70382 13 34 42.64 -11 10 50.5 18.3 V 360
J98F02G C1998 03 22.70868 13 34 41.08 -11 10 51.6 360
J98F02G C1998 03 22.71250 13 34 39.80 -11 10 52.4 360
J98F02G C1998 03 23.00412 13 33 13.61 -11 12 06.2 557
J98F02G C1998 03 23.00611 13 33 13.03 -11 12 06.3 557
J98F02G C1998 03 23.00809 13 33 12.42 -11 12 06.7 557
J98F02G C1998 03 23.01007 13 33 11.78 -11 12 07.0 18.3 V 557
J98F02G C1998 03 23.25741 13 32 01.45 -11 12 40.4 683
J98F02G C1998 03 23.26317 13 31 59.71 -11 12 41.5 683
Observer details:
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
683 Goodricke-Pigott Observatory, Tucson. Observer R. A. Tucker. 0.36-m
Schmidt-Cassegrain + CCD.
Orbital elements:
1998 FG2
Epoch 1998 Mar. 8.0 TT = JDT 2450880.5 Williams
M 37.99528 (2000.0) P Q
n 0.66845127 Peri. 94.91401 -0.13132505 -0.99133392
a 1.2954566 Node 2.63892 +0.87890562 -0.11796344
e 0.3544876 Incl. 4.09301 +0.45856150 -0.05780739
P 1.47 H 21.5 G 0.15
From 34 observations 1998 Mar. 21-23.
Ephemeris:
1998 FG2 a,e,i = 1.30, 0.35, 4 q = 0.8362
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 03 18 14 01.41 -10 40.2 0.107 1.085 145.2 31.5 18.2
1998 03 23 13 33.25 -11 11.1 0.126 1.114 156.5 20.9 18.3
1998 03 28 13 11.55 -11 18.6 0.148 1.142 165.9 12.3 18.4
1998 04 02 12 54.99 -11 13.0 0.172 1.171 173.1 5.9 18.5
1998 04 07 12 42.61 -11 01.4 0.199 1.199 173.4 5.5 18.8
1998 04 12 12 33.61 -10 48.2 0.229 1.227 168.1 9.7 19.4
1998 04 17 12 27.35 -10 36.0 0.261 1.255 162.3 14.1 19.9
1998 04 22 12 23.35 -10 26.4 0.296 1.282 156.7 18.1 20.3
1998 04 27 12 21.24 -10 20.3 0.333 1.309 151.5 21.5 20.7
1998 05 02 12 20.76 -10 18.5 0.373 1.335 146.7 24.5 21.1
1998 05 07 12 21.64 -10 21.0 0.415 1.361 142.2 27.0 21.5
1998 05 12 12 23.65 -10 27.9 0.459 1.386 138.0 29.2 21.8
1998 05 17 12 26.62 -10 38.9 0.506 1.410 134.0 31.1 22.1
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-F13
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