MPEC 1998-G12 : 1998 FH74
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M.P.E.C. 1998-G12 Issued 1998 Apr. 4, 21:26 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 FH74
Observations:
J98F74H* C1998 03 31.25544 12 11 12.83 -08 29 01.4 18.6 704
J98F74H C1998 03 31.29637 12 11 08.83 -08 28 23.7 18.8 704
J98F74H C1998 03 31.31685 12 11 06.76 -08 28 01.9 18.8 704
J98F74H C1998 03 31.33728 12 11 04.63 -08 27 42.7 18.8 704
J98F74H SC1998 03 31.87479 12 10 12.95 -08 19 07.2 557
J98F74H SC1998 03 31.87735 12 10 12.66 -08 19 05.6 557
J98F74H pC1998 03 31.89473 12 10 10.96 -08 18 47.8 587
J98F74H C1998 03 31.90116 12 10 10.48 -08 18 41.8 587
J98F74H C1998 03 31.90781 12 10 09.73 -08 18 36.2 587
J98F74H C1998 03 31.93174 12 10 07.18 -08 18 11.1 106
J98F74H C1998 03 31.94080 12 10 06.46 -08 18 04.0 106
J98F74H C1998 03 31.94679 12 10 05.95 -08 17 59.7 106
J98F74H C1998 03 31.98307 12 10 02.38 -08 17 22.4 18.7 V 046
J98F74H C1998 03 31.98561 12 10 02.14 -08 17 20.7 046
J98F74H C1998 03 31.98741 12 10 01.98 -08 17 19.3 046
J98F74H C1998 03 31.98969 12 10 01.77 -08 17 16.9 18.9 V 046
J98F74H C1998 03 31.99145 12 10 01.54 -08 17 16.0 557
J98F74H C1998 03 31.99396 12 10 01.25 -08 17 13.6 557
J98F74H C1998 04 01.83472 12 08 41.47 -08 03 52.7 18.5 V 104
J98F74H C1998 04 01.84773 12 08 40.20 -08 03 41.4 104
J98F74H C1998 04 01.85069 12 08 39.84 -08 03 38.2 104
J98F74H C1998 04 01.85777 12 08 39.27 -08 03 31.7 104
J98F74H C1998 04 01.90122 12 08 35.06 -08 02 49.6 557
J98F74H C1998 04 01.90819 12 08 34.48 -08 02 43.8 557
J98F74H C1998 04 02.23108 12 08 04.07 -07 57 36.1 18.9 704
J98F74H C1998 04 02.25143 12 08 02.24 -07 57 17.6 19.3 704
J98F74H C1998 04 02.27202 12 08 00.11 -07 56 57.8 19.3 704
J98F74H C1998 04 02.49791 12 07 39.23 -07 53 18.8 426
J98F74H C1998 04 02.50493 12 07 38.58 -07 53 12.6 18.8 R 426
J98F74H C1998 04 02.51250 12 07 37.81 -07 53 05.5 18.8 R 426
J98F74H C1998 04 02.63539 12 07 26.20 -07 51 15.6 19.0 V 402
J98F74H C1998 04 02.64215 12 07 25.56 -07 51 09.8 402
J98F74H C1998 04 03.23911 12 06 30.51 -07 41 51.6 18.8 704
J98F74H C1998 04 03.25965 12 06 28.55 -07 41 31.3 19.6 704
J98F74H C1998 04 03.28010 12 06 26.46 -07 41 11.4 19.6 704
J98F74H C1998 04 03.32102 12 06 22.51 -07 40 31.2 19.6 704
J98F74H C1998 04 03.36507 12 06 18.62 -07 39 52.7 18.6 704
J98F74H C1998 04 03.37554 12 06 17.72 -07 39 41.2 704
J98F74H C1998 04 03.38589 12 06 16.66 -07 39 34.2 704
J98F74H C1998 04 03.39635 12 06 15.70 -07 39 21.9 704
J98F74H C1998 04 04.46918 12 04 39.02 -07 22 41.7 426
J98F74H C1998 04 04.47623 12 04 38.33 -07 22 35.4 426
J98F74H C1998 04 04.48294 12 04 37.79 -07 22 29.0 19.0 R 426
J98F74H C1998 04 04.56390 12 04 30.35 -07 21 21.2 18.9 V 402
J98F74H C1998 04 04.56598 12 04 30.15 -07 21 18.8 402
J98F74H C1998 04 04.56807 12 04 29.95 -07 21 17.6 402
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini. Measurers
A. Boattini, G. Forti, L. Tesi. 0.40-m f/5 reflector + CCD.
106 Crni Vrh. Observers H. Mikuz, J. Skvarc. 0.36-m f/6.7 Schmidt-Cassegrain
+ CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector
+ CCD.
587 Sormano. Observers F. Manca, P. Ghezzi. 0.5-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 FH74
Epoch 1998 Mar. 28.0 TT = JDT 2450900.5 Williams
M 50.63065 (2000.0) P Q
n 0.31867501 Peri. 192.90480 +0.85301648 -0.51035779
a 2.1227754 Node 199.01198 +0.50362367 +0.85979340
e 0.8685764 Incl. 19.56237 +0.13684325 +0.01703627
P 3.09 H 15.5 G 0.15
From 46 observations 1998 Mar. 31-Apr. 4.
Ephemeris:
1998 FH74 a,e,i = 2.12, 0.87, 20 q = 0.2790
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 03 28 12 16.64 -09 21.8 1.439 2.433 173.0 2.8 18.5
1998 04 02 12 08.43 -08 01.2 1.485 2.477 170.5 3.8 18.7
1998 04 07 12 00.98 -06 44.5 1.540 2.519 164.7 6.0 18.9
1998 04 12 11 54.37 -05 33.2 1.603 2.561 158.3 8.3 19.1
1998 04 17 11 48.66 -04 28.1 1.673 2.602 151.9 10.5 19.4
1998 04 22 11 43.85 -03 29.9 1.750 2.642 145.7 12.4 19.6
1998 04 27 11 39.94 -02 38.7 1.833 2.681 139.7 14.1 19.8
1998 05 02 11 36.89 -01 54.6 1.922 2.719 133.9 15.5 19.9
1998 05 07 11 34.66 -01 17.3 2.015 2.757 128.3 16.7 20.1
1998 05 12 11 33.18 -00 46.4 2.112 2.793 123.0 17.7 20.3
1998 05 17 11 32.39 -00 21.5 2.212 2.829 117.8 18.4 20.4
1998 05 22 11 32.23 -00 02.1 2.315 2.864 112.9 19.0 20.6
1998 05 27 11 32.64 +00 12.2 2.420 2.899 108.1 19.4 20.7
1998 06 01 11 33.57 +00 21.9 2.526 2.932 103.4 19.7 20.8
1998 06 06 11 34.96 +00 27.4 2.633 2.965 98.9 19.8 21.0
1998 06 11 11 36.77 +00 29.2 2.741 2.998 94.6 19.7 21.1
1998 06 16 11 38.95 +00 27.5 2.849 3.029 90.3 19.6 21.2
1998 06 21 11 41.45 +00 22.8 2.956 3.060 86.1 19.3 21.3
1998 06 26 11 44.26 +00 15.4 3.063 3.091 82.0 19.0 21.3
1998 07 01 11 47.34 +00 05.5 3.168 3.120 78.1 18.6 21.4
1998 07 06 11 50.65 -00 06.7 3.272 3.149 74.1 18.1 21.5
1998 07 11 11 54.17 -00 20.8 3.374 3.178 70.3 17.5 21.6
1998 07 16 11 57.88 -00 36.7 3.473 3.205 66.4 16.9 21.6
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-G12
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