Read MPEC 1998-F20
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M.P.E.C. 1998-F21 Issued 1998 Mar. 25, 21:04 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 FM5
Observations:
J98F05M* C1998 03 24.22634 07 43 10.07 +16 01 50.4 15.8 V 566
J98F05M C1998 03 24.23648 07 43 15.01 +16 02 11.1 15.6 V 566
J98F05M C1998 03 24.24640 07 43 19.84 +16 02 31.5 15.5 V 566
J98F05M C1998 03 24.37507 07 44 22.55 +16 06 50.5 15.5 V 566
J98F05M C1998 03 24.38534 07 44 27.59 +16 07 10.8 15.4 V 566
J98F05M C1998 03 24.39521 07 44 32.44 +16 07 30.5 15.4 V 566
J98F05M C1998 03 24.80729 07 47 59.73 +16 20 58.3 15.1 V 046
J98F05M C1998 03 24.80821 07 48 00.18 +16 21 00.2 046
J98F05M C1998 03 24.80931 07 48 00.71 +16 21 02.3 046
J98F05M C1998 03 24.81042 07 48 01.26 +16 21 04.5 046
J98F05M C1998 03 24.81354 07 48 02.90 +16 21 12.2 587
J98F05M C1998 03 24.81517 07 48 03.70 +16 21 15.5 15.1 V 587
J98F05M C1998 03 24.81541 07 48 03.69 +16 21 13.6 557
J98F05M C1998 03 24.81634 07 48 04.15 +16 21 15.5 557
J98F05M C1998 03 24.81728 07 48 04.62 +16 21 17.4 15.2 V 557
J98F05M IC1998 03 24.81814 07 48 05.17 +16 21 21.2 587
J98F05M C1998 03 24.82094 07 48 06.52 +16 21 26.6 587
J98F05M C1998 03 25.14300 07 50 45.89 +16 32 01.3 14.6 R 758
J98F05M C1998 03 25.14439 07 50 46.61 +16 32 03.9 14.7 R 758
J98F05M C1998 03 25.14577 07 50 47.25 +16 32 06.4 14.8 R 758
J98F05M C1998 03 25.14717 07 50 47.96 +16 32 09.2 14.8 R 758
J98F05M C1998 03 25.14855 07 50 48.62 +16 32 11.8 14.8 R 758
J98F05M C1998 03 25.22786 07 51 29.71 +16 34 49.9 15.7 V 566
J98F05M C1998 03 25.23771 07 51 34.47 +16 35 08.8 15.9 V 566
J98F05M C1998 03 25.24749 07 51 39.18 +16 35 27.5 16.0 V 566
J98F05M C1998 03 25.38465 07 52 45.54 +16 39 44.8 16.3 V 566
J98F05M C1998 03 25.39446 07 52 50.31 +16 40 02.9 16.2 V 566
J98F05M C1998 03 25.40464 07 52 55.28 +16 40 21.9 16.0 V 566
J98F05M C1998 03 25.41509 07 53 02.56 +16 41 12.5 14.1 R 426
J98F05M C1998 03 25.41921 07 53 04.59 +16 41 20.6 14.2 R 426
J98F05M C1998 03 25.42409 07 53 06.95 +16 41 29.8 14.2 R 426
J98F05M C1998 03 25.44845 07 53 18.68 +16 41 39.1 14.8 V 355
J98F05M C1998 03 25.44951 07 53 19.13 +16 41 41.2 355
J98F05M C1998 03 25.45201 07 53 20.37 +16 41 46.0 355
J98F05M C1998 03 25.47132 07 53 29.04 +16 42 57.3 15.0 R 422
J98F05M C1998 03 25.47242 07 53 29.59 +16 42 59.3 15.0 R 422
J98F05M C1998 03 25.47352 07 53 30.09 +16 43 01.2 15.2 R 422
J98F05M C1998 03 25.50037 07 53 43.12 +16 43 51.0 15.1 R 422
J98F05M C1998 03 25.76088 07 55 53.69 +16 51 13.6 15.2 V 046
J98F05M C1998 03 25.76190 07 55 54.18 +16 51 15.3 046
J98F05M C1998 03 25.76278 07 55 54.61 +16 51 17.0 046
J98F05M C1998 03 25.76374 07 55 55.08 +16 51 18.9 046
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
355 Hadano. Observer A. Asami. 0.2-m f/4.0 reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
566 Haleakala-NEAT/GEODSS. Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
D. L. Rabinowitz for the NEAT team. 1.0-m f/2.2 GEODSS telescope + CCD.
587 Sormano. Observers P. Sicoli, A. Testa. 0.5-m reflector + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov + CCD.
Orbital elements:
1998 FM5
Epoch 1998 Mar. 8.0 TT = JDT 2450880.5 Williams
M 6.33916 (2000.0) P Q
n 0.29414093 Peri. 311.28715 -0.62212208 -0.78285699
a 2.2392319 Node 177.12922 +0.76452500 -0.61019516
e 0.5497899 Incl. 11.46170 +0.16871762 -0.12164209
P 3.35 H 16.0 G 0.15
From 42 observations 1998 Mar. 24-25.
Ephemeris:
1998 FM5 a,e,i = 2.24, 0.55, 11 q = 1.0081
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 03 18 06 50.79 +11 54.2 0.241 1.083 105.1 62.5 15.3
1998 03 23 07 32.88 +15 18.7 0.248 1.107 110.2 57.7 15.3
1998 03 28 08 14.09 +17 54.7 0.264 1.133 114.6 53.2 15.3
1998 04 02 08 52.45 +19 36.4 0.286 1.162 118.0 49.4 15.5
1998 04 07 09 26.76 +20 29.0 0.316 1.192 120.4 46.4 15.6
1998 04 12 09 56.68 +20 42.8 0.350 1.224 121.9 44.0 15.9
1998 04 17 10 22.46 +20 28.5 0.390 1.257 122.6 42.3 16.1
1998 04 22 10 44.65 +19 54.8 0.434 1.292 122.7 40.9 16.4
1998 04 27 11 03.89 +19 07.8 0.482 1.327 122.2 39.9 16.6
1998 05 02 11 20.77 +18 11.9 0.533 1.364 121.4 39.1 16.9
1998 05 07 11 35.76 +17 10.2 0.587 1.400 120.3 38.5 17.1
1998 05 12 11 49.24 +16 04.8 0.644 1.437 119.0 37.9 17.4
1998 05 17 12 01.53 +14 57.0 0.704 1.475 117.5 37.5 17.6
1998 05 22 12 12.87 +13 47.8 0.767 1.513 115.8 37.1 17.8
1998 05 27 12 23.48 +12 37.9 0.832 1.550 113.9 36.7 18.0
1998 06 01 12 33.51 +11 27.7 0.900 1.588 112.0 36.3 18.3
1998 06 06 12 43.08 +10 17.6 0.970 1.626 110.0 35.9 18.5
1998 06 11 12 52.28 +09 08.1 1.042 1.664 107.9 35.5 18.7
1998 06 16 13 01.18 +07 59.3 1.116 1.701 105.8 35.1 18.8
1998 06 21 13 09.85 +06 51.5 1.192 1.738 103.6 34.6 19.0
1998 06 26 13 18.34 +05 44.6 1.270 1.776 101.3 34.2 19.2
1998 07 06 13 34.95 +03 34.4 1.430 1.849 96.7 33.1 19.5
1998 07 16 13 51.22 +01 29.6 1.596 1.921 91.9 31.9 19.8
1998 07 26 14 07.31 -00 29.2 1.766 1.991 87.0 30.6 20.0
1998 08 05 14 23.34 -02 21.7 1.938 2.060 82.1 29.2 20.3
1998 08 15 14 39.36 -04 07.3 2.112 2.127 77.0 27.6 20.5
1998 08 25 14 55.43 -05 45.9 2.286 2.192 71.8 26.0 20.7
1998 09 04 15 11.59 -07 17.1 2.458 2.256 66.6 24.2 20.8
1998 09 14 15 27.84 -08 40.7 2.627 2.318 61.3 22.4 21.0
1998 09 24 15 44.19 -09 56.3 2.791 2.378 55.9 20.4 21.1
1998 10 04 16 00.63 -11 03.8 2.949 2.436 50.4 18.4 21.2
1998 10 14 16 17.13 -12 02.9 3.099 2.492 44.8 16.4 21.3
1998 10 24 16 33.68 -12 53.5 3.239 2.547 39.2 14.3 21.4
1998 11 03 16 50.24 -13 35.5 3.369 2.600 33.5 12.2 21.4
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-F21
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