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M.P.E.C. 1998-F29 Issued 1998 Mar. 27, 14:57 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 FH12
Observations:
J98F12H* C1998 03 25.12722 11 04 24.15 +17 56 35.4 19.3 704
J98F12H C1998 03 25.14751 11 04 21.53 +17 56 39.1 19.1 704
J98F12H C1998 03 25.16801 11 04 18.60 +17 56 44.1 19.3 704
J98F12H C1998 03 25.18836 11 04 15.93 +17 56 48.9 19.7 704
J98F12H C1998 03 25.90517 11 02 43.03 +17 58 14.3 18.1 R 046
J98F12H C1998 03 25.90773 11 02 42.71 +17 58 14.8 046
J98F12H C1998 03 25.90954 11 02 42.48 +17 58 14.8 046
J98F12H C1998 03 26.05716 11 02 23.18 +17 58 29.4 18.9 V 557
J98F12H C1998 03 26.07672 11 02 20.72 +17 58 31.6 557
J98F12H C1998 03 26.13722 11 02 14.70 +17 58 45.6 19.0 704
J98F12H C1998 03 26.15770 11 02 12.16 +17 58 46.1 19.0 704
J98F12H C1998 03 26.17788 11 02 09.10 +17 58 49.7 20.0 704
J98F12H C1998 03 26.78427 11 00 55.81 +17 59 39.0 557
J98F12H C1998 03 26.79241 11 00 54.82 +17 59 39.7 18.8 V 557
J98F12H C1998 03 26.90836 11 00 40.50 +17 59 49.7 17.8 V 046
J98F12H C1998 03 26.91030 11 00 40.24 +17 59 50.0 046
J98F12H C1998 03 26.91207 11 00 40.03 +17 59 50.0 046
J98F12H C1998 03 27.26977 10 59 58.26 +18 00 14.5 658
J98F12H C1998 03 27.27204 10 59 57.95 +18 00 15.3 658
J98F12H C1998 03 27.27480 10 59 57.64 +18 00 15.4 658
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector
+ CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
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 FH12
Epoch 1998 Mar. 8.0 TT = JDT 2450880.5 Williams
M 72.51363 (2000.0) P Q
n 0.84036725 Peri. 282.10270 +0.83470617 -0.54741157
a 1.1121328 Node 111.11469 +0.52697937 +0.76233868
e 0.5716826 Incl. 3.69088 +0.15986980 +0.34522501
P 1.17 H 18.5 G 0.15
From 20 observations 1998 Mar. 25-27.
Ephemeris:
1998 FH12 a,e,i = 1.11, 0.57, 4 q = 0.4763
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 03 18 11 23.75 +17 18.8 0.361 1.344 162.6 12.8 17.7
1998 03 28 10 58.60 +18 01.0 0.457 1.412 150.0 20.7 18.6
1998 04 07 10 45.62 +17 43.4 0.568 1.474 138.3 26.9 19.3
1998 04 17 10 41.01 +16 54.2 0.689 1.528 128.1 31.1 19.9
1998 04 27 10 42.04 +15 46.8 0.817 1.576 119.2 33.9 20.5
1998 05 07 10 47.00 +14 27.7 0.951 1.618 111.3 35.5 20.9
1998 05 17 10 54.70 +13 00.6 1.087 1.654 104.0 36.4 21.3
1998 05 27 11 04.37 +11 27.3 1.224 1.684 97.2 36.7 21.6
1998 06 06 11 15.53 +09 48.9 1.360 1.708 90.8 36.4 21.8
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-F29
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