MPEC 1998-F30: 1998 FX2
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 1998-F29
Read MPEC 1998-F31
M.P.E.C. 1998-F30 Issued 1998 Mar. 27, 16:52 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 FX2
Revision to MPEC 1998-F15
Observations:
J98F02X C1998 03 24.21637 11 41 07.47 +04 29 58.0 13.9 V 676
J98F02X C1998 03 24.24208 11 41 12.29 +04 33 18.7 13.9 R 860
J98F02X C1998 03 24.24478 11 41 18.19 +04 32 13.9 17.9 704
J98F02X C1998 03 24.24586 11 41 13.88 +04 33 37.2 13.9 R 860
J98F02X C1998 03 24.24758 11 41 20.20 +04 32 27.4 14.1 V 676
J98F02X C1998 03 24.24976 11 41 15.48 +04 33 55.6 13.9 R 860
J98F02X C1998 03 24.25036 11 41 20.48 +04 32 41.3 17.9 704
J98F02X C1998 03 24.25061 11 41 20.56 +04 32 41.6 18.0 704
J98F02X C1998 03 24.25174 11 41 21.87 +04 32 47.2 13.7 V 676
J98F02X C1998 03 24.25873 11 41 23.84 +04 33 20.7 704
J98F02X C1998 03 24.26432 11 41 26.13 +04 33 48.1 704
J98F02X C1998 03 24.26458 11 41 26.22 +04 33 48.8 704
J98F02X C1998 03 24.26993 11 41 29.27 +04 34 14.4 13.8 V 676
J98F02X C1998 03 24.27269 11 41 29.49 +04 34 27.4 704
J98F02X C1998 03 24.27829 11 41 31.76 +04 34 54.6 704
J98F02X C1998 03 24.27854 11 41 31.84 +04 34 55.1 704
J98F02X C1998 03 24.28667 11 41 34.97 +04 35 33.5 704
J98F02X C1998 03 24.29226 11 41 37.05 +04 36 03.8 704
J98F02X C1998 03 24.29251 11 41 37.14 +04 36 06.2 704
J98F02X C1998 03 24.30065 11 41 40.83 +04 36 42.8 704
J98F02X C1998 03 24.30622 11 41 43.11 +04 37 08.7 704
J98F02X C1998 03 24.30647 11 41 43.22 +04 37 09.6 704
J98F02X C1998 03 24.51783 11 43 13.16 +04 54 22.7 14.3 V 566
J98F02X C1998 03 24.53662 11 43 26.51 +04 55 34.4 14.2 V 900
J98F02X C1998 03 24.53708 11 43 26.69 +04 55 36.4 14.1 V 402
J98F02X C1998 03 24.53917 11 43 27.55 +04 55 46.4 402
J98F02X C1998 03 24.54125 11 43 28.40 +04 55 56.5 402
J98F02X C1998 03 24.56159 11 43 36.82 +04 57 35.3 900
J98F02X C1998 03 24.56940 11 43 39.78 +04 58 12.7 13.9 V 355
J98F02X C1998 03 24.57410 11 43 41.71 +04 58 35.7 355
J98F02X C1998 03 24.57508 11 43 42.11 +04 58 40.4 355
J98F02X C1998 03 24.80155 11 45 24.33 +05 16 41.2 14.4 R 046
J98F02X C1998 03 24.80245 11 45 24.68 +05 16 45.6 046
J98F02X C1998 03 24.80337 11 45 25.12 +05 16 50.2 046
J98F02X C1998 03 24.88767 11 46 01.87 +05 23 47.6 14.0 V 112
J98F02X C1998 03 24.89628 11 46 05.46 +05 24 30.3 112
J98F02X C1998 03 24.89794 11 46 06.21 +05 24 38.6 112
J98F02X C1998 03 24.90187 11 46 07.85 +05 24 58.0 112
J98F02X C1998 03 24.90460 11 46 09.00 +05 25 11.5 112
J98F02X C1998 03 24.90919 11 46 10.95 +05 25 33.0 112
J98F02X C1998 03 25.12576 11 47 49.29 +05 43 32.1 13.9 R 758
J98F02X C1998 03 25.12716 11 47 49.89 +05 43 38.8 13.9 R 758
J98F02X C1998 03 25.12855 11 47 50.48 +05 43 45.8 13.8 R 758
J98F02X C1998 03 25.12994 11 47 51.03 +05 43 52.4 13.7 R 758
J98F02X C1998 03 25.49533 11 50 32.23 +06 14 06.4 14.1 V 566
J98F02X C1998 03 25.50537 11 50 36.54 +06 14 55.6 14.2 V 566
J98F02X C1998 03 25.51626 11 50 41.21 +06 15 49.4 14.1 V 566
J98F02X C1998 03 25.51887 11 50 48.16 +06 15 41.4 13.6 V 367
J98F02X C1998 03 25.52286 11 50 49.68 +06 16 02.4 13.7 V 402
J98F02X C1998 03 25.52302 11 50 49.97 +06 16 02.1 367
J98F02X C1998 03 25.52390 11 50 50.13 +06 16 07.5 402
J98F02X C1998 03 25.52494 11 50 50.59 +06 16 12.8 402
J98F02X bC1998 03 25.64740 11 51 43.63 +06 26 24.2 360
J98F02X bC1998 03 25.64913 11 51 44.39 +06 26 32.9 360
J98F02X bC1998 03 25.65087 11 51 45.14 +06 26 41.3 360
J98F02X C1998 03 25.81679 11 53 05.44 +06 40 11.2 057
J98F02X C1998 03 25.82162 11 53 07.85 +06 40 38.1 057
J98F02X C1998 03 25.82322 11 53 08.39 +06 40 48.4 14.0 R 057
J98F02X C1998 03 25.82573 11 53 09.53 +06 40 59.5 057
J98F02X C1998 03 25.83407 11 53 13.13 +06 41 42.0 057
J98F02X C1998 03 25.83999 11 53 15.77 +06 42 11.7 057
J98F02X C1998 03 25.89311 11 53 39.87 +06 46 36.6 14.0 V 610
J98F02X C1998 03 25.89965 11 53 43.58 +06 47 15.4 620
J98F02X C1998 03 25.90258 11 53 44.04 +06 47 24.0 610
J98F02X C1998 03 25.90541 11 53 45.25 +06 47 37.6 14.0 R 106
J98F02X C1998 03 25.90822 11 53 47.34 +06 47 58.4 620
J98F02X C1998 03 25.91141 11 53 47.93 +06 48 08.2 610
J98F02X C1998 03 25.91979 11 53 51.62 +06 48 50.2 610
J98F02X C1998 03 25.92517 11 53 54.01 +06 49 16.2 14.1 R 106
J98F02X C1998 03 25.92841 11 53 55.42 +06 49 33.3 610
J98F02X C1998 03 25.92975 11 53 56.79 +06 49 46.4 620
J98F02X C1998 03 25.93750 11 53 59.42 +06 50 18.8 610
J98F02X C1998 03 25.94037 11 54 00.75 +06 50 32.0 14.1 R 106
J98F02X C1998 03 25.94347 11 54 02.82 +06 50 55.3 620
J98F02X C1998 03 25.94442 11 54 02.55 +06 50 52.3 14.1 R 106
J98F02X C1998 03 25.94955 11 54 04.73 +06 51 19.2 610
J98F02X C1998 03 25.95012 11 54 05.74 +06 51 28.7 620
J98F02X C1998 03 25.99097 11 54 22.92 +06 54 41.0 557
J98F02X C1998 03 26.03303 11 54 41.70 +06 58 11.4 557
J98F02X C1998 03 26.09929 11 55 11.63 +07 03 42.3 557
J98F02X C1998 03 26.17929 11 55 53.53 +07 10 53.5 831
J98F02X C1998 03 26.18082 11 55 54.20 +07 11 01.1 14.3 R 831
J98F02X C1998 03 26.19082 11 55 58.60 +07 11 51.5 831
J98F02X C1998 03 26.19326 11 55 59.55 +07 12 05.8 13.7 R 758
J98F02X C1998 03 26.19605 11 56 00.77 +07 12 19.9 13.7 R 758
J98F02X C1998 03 26.19883 11 56 02.00 +07 12 33.8 13.7 R 758
J98F02X C1998 03 26.85303 12 01 15.87 +08 07 26.3 14.0 R 057
J98F02X C1998 03 26.85479 12 01 16.66 +08 07 37.8 057
J98F02X C1998 03 26.85499 12 01 17.27 +08 07 24.3 482
J98F02X C1998 03 26.85674 12 01 17.44 +08 07 48.7 13.8 R 057
J98F02X C1998 03 26.86476 12 01 21.82 +08 08 12.9 482
J98F02X C1998 03 26.86777 12 01 22.52 +08 08 40.8 057
J98F02X C1998 03 26.87210 12 01 24.81 +08 09 07.2 057
J98F02X C1998 03 26.88085 12 01 29.41 +08 09 36.6 482
J98F02X C1998 03 26.88565 12 01 31.67 +08 10 01.4 482
J98F02X C1998 03 26.89023 12 01 33.79 +08 10 24.5 482
J98F02X C1998 03 26.89850 12 01 37.71 +08 11 07.0 482
J98F02X C1998 03 26.90672 12 01 41.56 +08 11 48.5 482
J98F02X C1998 03 26.91997 12 01 47.79 +08 12 56.3 482
J98F02X C1998 03 26.92165 12 01 48.58 +08 13 04.8 482
J98F02X C1998 03 26.94604 12 01 58.92 +08 15 19.0 13.5 R 046
J98F02X C1998 03 26.94696 12 01 59.33 +08 15 23.7 046
J98F02X C1998 03 26.94781 12 01 59.74 +08 15 28.2 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
057 Belgrade. Observers Vl. Benishek, V. Protitch-Benisek. 0.14-m f/12
Askania astrograph + CCD.
106 Crni Vrh. Observers H. Mikuz, B. Dintinjana, J. Skvarc. 0.36-m f/6.7
Schmidt-Cassegrain + CCD.
112 Pleiade Observatory, Verona. Observers P. Antolini, F. Castellani, I. Dal
Prete. 0.60-m f/3.0 reflector + CCD.
355 Hadano. Observer A. Asami. 0.2-m f/4.0 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7
reflector + CCD.
482 St. Andrews. Observer F. Vincent. 0.25-m f/10 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 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.
610 Pianoro. Observer V. Goretti. 0.25-m f/4 Schmidt-Cassegrain + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
676 San Clemente. Observer J. E. Root. 0.33-m f/3.3 Schmidt-Cassegrain + CCD
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, J. Sharma. 1.0-m f/2.15
reflector + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
831 Rosemary Hill Observatory. University of Florida. Observers J. L. Levine,
T. B. Spahr. 0.45-m f/10.5 reflector + CCD. Long. and Parallax
277.4134, 0.87191, +0.48804.
860 Valinhos. Observer P. R. Holvorcem. 0.20-m f/3.3 reflector + CCD.
Long. and Parallax 313.0347, 0.92108, -0.38842.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
Orbital elements:
1998 FX2
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Marsden
M 325.19623 (2000.0) P Q
n 0.31320467 Peri. 16.95418 -0.94991623 +0.31248081
a 2.1474212 Node 181.27409 -0.30306194 -0.92415537
e 0.4939347 Incl. 9.99299 -0.07624046 -0.21975577
P 3.15 H 18.5 G 0.15 U 7
From 116 observations 1998 Mar. 22-26, mean residual 0".51.
Ephemeris:
1998 FX2 a,e,i = 2.15, 0.49, 10 q = 1.0867
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 03 28 12 10.66 +09 46.6 0.099 1.094 166.8 12.0 14.4
1998 03 29 12 19.19 +11 13.0 0.098 1.093 165.3 13.4 14.4
1998 03 30 12 27.98 +12 39.6 0.097 1.092 163.7 14.9 14.5
1998 03 31 12 37.00 +14 05.5 0.096 1.091 161.9 16.5 14.5
1998 04 01 12 46.23 +15 30.1 0.096 1.090 160.1 18.2 14.5
1998 04 02 12 55.61 +16 52.8 0.096 1.089 158.2 20.0 14.6
1998 04 03 13 05.12 +18 12.8 0.096 1.088 156.3 21.7 14.6
1998 04 04 13 14.70 +19 29.6 0.096 1.088 154.3 23.5 14.7
1998 04 05 13 24.31 +20 42.7 0.097 1.087 152.4 25.2 14.8
1998 04 06 13 33.90 +21 51.6 0.098 1.087 150.6 26.9 14.8
1998 04 07 13 43.42 +22 56.0 0.099 1.087 148.8 28.5 14.9
1998 04 08 13 52.84 +23 55.8 0.100 1.087 147.0 30.1 15.0
1998 04 09 14 02.11 +24 50.7 0.102 1.087 145.3 31.6 15.1
1998 04 10 14 11.19 +25 40.7 0.104 1.087 143.7 33.0 15.1
1998 04 11 14 20.04 +26 26.0 0.105 1.087 142.2 34.4 15.2
1998 04 12 14 28.64 +27 06.5 0.107 1.088 140.8 35.6 15.3
1998 04 13 14 36.96 +27 42.6 0.110 1.088 139.4 36.8 15.4
1998 04 14 14 44.98 +28 14.3 0.112 1.089 138.2 37.9 15.5
1998 04 15 14 52.70 +28 41.9 0.114 1.090 137.0 38.9 15.5
1998 04 16 15 00.09 +29 05.7 0.117 1.091 136.0 39.8 15.6
1998 04 17 15 07.16 +29 26.0 0.120 1.092 135.0 40.6 15.7
1998 04 18 15 13.90 +29 43.0 0.122 1.093 134.1 41.3 15.7
1998 04 19 15 20.31 +29 56.9 0.125 1.094 133.3 42.0 15.8
1998 04 20 15 26.40 +30 08.1 0.128 1.095 132.5 42.5 15.9
1998 04 21 15 32.17 +30 16.7 0.131 1.097 131.9 43.0 16.0
1998 04 22 15 37.63 +30 22.9 0.134 1.098 131.3 43.4 16.0
1998 04 23 15 42.79 +30 27.0 0.138 1.100 130.8 43.8 16.1
1998 04 24 15 47.66 +30 29.1 0.141 1.102 130.3 44.1 16.2
1998 04 25 15 52.26 +30 29.5 0.144 1.104 129.9 44.3 16.2
1998 04 26 15 56.59 +30 28.1 0.148 1.106 129.6 44.5 16.3
1998 04 27 16 00.66 +30 25.3 0.151 1.108 129.3 44.6 16.3
1998 04 28 16 04.49 +30 21.1 0.155 1.111 129.1 44.7 16.4
1998 04 29 16 08.10 +30 15.6 0.158 1.113 128.9 44.7 16.4
1998 04 30 16 11.49 +30 08.9 0.162 1.116 128.8 44.7 16.5
1998 05 01 16 14.67 +30 01.1 0.165 1.118 128.7 44.7 16.5
1998 05 02 16 17.65 +29 52.3 0.169 1.121 128.6 44.6 16.6
1998 05 03 16 20.45 +29 42.6 0.173 1.124 128.6 44.5 16.6
1998 05 04 16 23.08 +29 32.1 0.176 1.127 128.7 44.3 16.7
1998 05 05 16 25.55 +29 20.7 0.180 1.130 128.7 44.1 16.7
1998 05 06 16 27.85 +29 08.6 0.184 1.133 128.8 43.9 16.8
1998 05 07 16 30.01 +28 55.8 0.188 1.136 128.9 43.7 16.8
1998 05 08 16 32.03 +28 42.3 0.191 1.140 129.1 43.4 16.9
1998 05 09 16 33.92 +28 28.2 0.195 1.143 129.3 43.1 16.9
1998 05 10 16 35.69 +28 13.5 0.199 1.147 129.5 42.8 17.0
1998 05 11 16 37.34 +27 58.2 0.203 1.150 129.7 42.5 17.0
1998 05 12 16 38.87 +27 42.4 0.207 1.154 129.9 42.2 17.0
1998 05 13 16 40.31 +27 26.1 0.211 1.158 130.2 41.8 17.1
1998 05 14 16 41.64 +27 09.3 0.215 1.162 130.5 41.4 17.1
1998 05 15 16 42.88 +26 52.0 0.219 1.166 130.7 41.1 17.1
1998 05 16 16 44.03 +26 34.3 0.223 1.170 131.1 40.7 17.2
1998 05 17 16 45.10 +26 16.1 0.228 1.174 131.4 40.3 17.2
1998 05 18 16 46.10 +25 57.5 0.232 1.178 131.7 39.9 17.3
1998 05 19 16 47.01 +25 38.4 0.236 1.183 132.0 39.4 17.3
1998 05 20 16 47.86 +25 18.9 0.240 1.187 132.4 39.0 17.3
1998 05 21 16 48.65 +24 59.0 0.244 1.192 132.7 38.6 17.4
1998 05 22 16 49.37 +24 38.8 0.249 1.196 133.1 38.2 17.4
1998 05 23 16 50.04 +24 18.1 0.253 1.201 133.5 37.7 17.4
1998 05 24 16 50.66 +23 57.0 0.258 1.205 133.8 37.3 17.5
1998 05 25 16 51.23 +23 35.6 0.262 1.210 134.2 36.9 17.5
1998 05 26 16 51.76 +23 13.8 0.267 1.215 134.6 36.4 17.5
1998 05 27 16 52.25 +22 51.7 0.271 1.220 135.0 36.0 17.6
1998 06 01 16 54.22 +20 56.2 0.295 1.246 136.8 33.9 17.7
1998 06 06 16 55.68 +18 54.1 0.321 1.273 138.5 31.9 17.9
1998 06 11 16 56.91 +16 47.5 0.348 1.301 139.9 30.2 18.1
1998 06 16 16 58.10 +14 38.3 0.378 1.330 140.9 28.8 18.3
1998 06 21 16 59.43 +12 28.1 0.410 1.360 141.4 27.8 18.5
1998 06 26 17 01.04 +10 18.6 0.444 1.392 141.4 27.1 18.7
1998 07 01 17 03.03 +08 11.4 0.482 1.423 140.8 26.8 18.9
1998 07 06 17 05.48 +06 08.0 0.522 1.455 139.8 26.8 19.1
1998 07 11 17 08.40 +04 09.4 0.566 1.488 138.4 27.0 19.3
1998 07 16 17 11.78 +02 16.6 0.613 1.521 136.6 27.3 19.6
1998 07 21 17 15.63 +00 29.8 0.663 1.554 134.5 27.8 19.8
1998 07 26 17 19.95 -01 10.5 0.716 1.587 132.2 28.3 20.0
1998 07 31 17 24.72 -02 44.2 0.772 1.621 129.7 28.8 20.3
1998 08 05 17 29.92 -04 11.2 0.831 1.654 127.1 29.3 20.5
1998 08 10 17 35.50 -05 31.5 0.893 1.687 124.4 29.7 20.7
1998 08 15 17 41.44 -06 45.4 0.957 1.720 121.6 30.1 20.9
1998 08 20 17 47.72 -07 53.1 1.025 1.753 118.8 30.4 21.1
1998 08 25 17 54.30 -08 54.7 1.095 1.786 116.0 30.6 21.3
1998 08 30 18 01.16 -09 50.5 1.167 1.819 113.1 30.7 21.5
1998 09 04 18 08.29 -10 40.8 1.242 1.851 110.3 30.7 21.6
1998 09 09 18 15.63 -11 25.7 1.319 1.884 107.4 30.7 21.8
1998 09 14 18 23.17 -12 05.4 1.398 1.915 104.5 30.6 22.0
1998 09 19 18 30.89 -12 40.4 1.478 1.947 101.6 30.4 22.1
1998 09 24 18 38.77 -13 10.6 1.560 1.978 98.7 30.1 22.3
1998 09 29 18 46.79 -13 36.4 1.644 2.009 95.8 29.7 22.4
1998 10 04 18 54.94 -13 57.9 1.728 2.040 92.9 29.3 22.5
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-F30
Read MPEC 1998-F29
Read MPEC 1998-F31
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