MPEC 2000-C35 : 1998 FF2
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M.P.E.C. 2000-C35 Issued 2000 Feb. 9, 18:22 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 FF2
Revision to MPEC 1998-F12
Observations:
J98F02F 1C2000 02 07.68870 13 25 39.37 -01 31 48.1 20.4 R 413
J98F02F 1C2000 02 07.69182 13 25 39.56 -01 31 50.6 20.3 R 413
J98F02F 1C2000 02 07.69520 13 25 39.80 -01 31 53.5 20.0 R 413
J98F02F 1C2000 02 08.69669 13 26 50.63 -01 45 00.4 20.6 R 413
J98F02F 1C2000 02 08.70038 13 26 50.83 -01 45 02.6 18.1 R 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
000207 413 0.03+ 0.02- 000208 413 0.03+ 0.02- MPC 31805 -0.041 day
Orbital elements:
1998 FF2
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Spahr
M 298.87181 (2000.0) P Q
n 0.50491788 Peri. 264.77464 -0.00748089 +0.99984029
a 1.5619084 Node 4.88579 -0.82529650 +0.00299164
e 0.2924793 Incl. 10.98571 -0.56465009 -0.01761921
P 1.95 H 18.9 G 0.15 U 4
Residuals in seconds of arc
980320 704 0.2- 0.8+ 980323 046 0.5- 0.1- 980329 704 0.7+ 0.6-
980320 704 0.3+ 0.3+ 980324 704 0.5+ 0.4- 980329 658 0.5- 0.1+
980320 704 0.5+ 1.5- 980324 704 0.3- 0.5- 980329 704 0.1+ 0.7-
980320 704 1.0+ 1.3- 980324 704 0.3- 0.4+ 980329 658 0.6+ 0.1-
980321 046 0.3- 0.9- 980324 704 0.3- 1.3+ 980329 658 0.4- 0.4+
980321 046 (0.3+ 2.1-) 980324 704 0.7- 0.4+ 980329 422 (6.7- 5.8+)
980321 106 0.7- 0.0 980324 704 0.4- 0.6+ 980329 422 (5.0- 7.0+)
980321 106 0.8- 0.1- 980324 704 0.7+ 0.1+ 980329 046 0.3+ 0.1-
980321 106 0.4- 0.2+ 980324 704 0.1- 0.5- 980329 046 0.3+ 0.3+
980321 557 1.2- 0.1+ 980324 704 0.2- 0.6+ 980329 046 0.0 0.2+
980321 557 0.0 1.1- 980324 704 0.3- 0.1+ 980329 046 0.4+ 0.1-
980321 557 0.0 0.6- 980324 704 0.3+ 0.3- 980331 402 0.3+ 0.2+
980321 557 0.5- 0.7- 980324 704 0.8+ 0.3- 980331 402 0.8+ 0.3+
980322 557 0.6+ 0.4+ 980324 704 0.6- 0.0 980331 402 0.3+ 0.2-
980322 704 0.6+ 0.6- 980324 704 1.2+ 0.8+ 980331 106 0.1- 0.0
980322 704 1.3+ 0.4- 980324 704 1.0+ 0.5+ 980331 106 0.9- 0.5+
980322 704 0.7- 0.1- 980324 566 0.2+ 0.9- 980402 360 0.7+ 0.2-
980322 704 0.9+ 0.1+ 980324 566 0.2- 0.2+ 980402 360 0.4+ 0.1+
980322 704 (4.6- 0.5+) 980324 566 0.9- 1.5- 980402 360 0.4+ 0.1+
980322 900 0.5- 1.3- 980324 587 0.4+ 0.2- 980415 658 0.6- 0.6-
980322 900 0.7- 0.2+ 980324 587 0.2+ 0.6- 980415 658 0.6- 0.1-
980322 108 (2.5+ 0.0 ) 980325 704 0.0 0.9+ 980415 658 0.5- 0.6-
980322 557 1.7- 0.7+ 980325 704 0.5+ 0.8+ 980416 704 1.7+ 0.3+
980322 557 0.4- 0.1+ 980325 704 0.4+ 0.5+ 980416 704 1.4- 1.0+
980322 557 0.2- 0.4+ 980325 704 0.1- 0.9+ 980416 704 1.1- 1.3-
980322 108 1.4+ 1.2+ 980325 704 0.4- 0.5+ 980416 704 1.0+ 1.7-
980323 557 0.6- 0.3+ 980325 360 0.2+ 0.2- 980417 118 0.1- 0.0
980323 557 0.1- 0.2- 980325 360 0.4+ 0.1- 980417 118 0.2+ 0.0
980323 557 0.3- 0.3- 980325 360 0.2- 0.2- 980417 118 0.0 0.3-
980323 557 0.0 0.4+ 980326 557 0.8- 0.2+ 980426 360 0.0 0.6+
980323 422 0.6- 0.5+ 980326 557 0.2+ 0.4- 980426 360 0.2- 0.8+
980323 422 0.2- 0.2- 980326 046 0.2- 0.1+ 980426 360 0.2+ 0.4+
980323 422 0.2- 0.2+ 980326 046 0.4- 0.3- 000207 413 0.3+ 0.4+
980323 426 0.6- 0.4+ 980326 046 0.2- 0.2- 000207 413 0.0 0.3+
980323 426 0.1- 0.5+ 980328 426 0.7+ 0.7+ 000207 413 0.2+ 0.1+
980323 426 0.1+ 0.4- 980328 426 0.3+ 0.2+ 000208 413 0.3+ 0.5-
980323 046 0.8- 0.1+ 980328 426 0.3+ 0.4- 000208 413 0.4- 0.2+
980323 046 0.1- 0.1+ 980329 704 1.0+ 0.4+
980323 046 0.2- 0.4+ 980329 704 0.8+ 0.0
Ephemeris:
1998 FF2 a,e,i = 1.56, 0.29, 11 q = 1.1051
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 02 06 13 23.62 -01 10.0 0.829 1.546 116.5 34.8 20.9
2000 02 16 13 34.80 -03 24.4 0.716 1.505 123.2 33.3 20.5
2000 02 26 13 43.55 -05 55.4 0.612 1.463 130.4 31.0 20.0
2000 03 07 13 48.99 -08 52.6 0.518 1.421 138.2 27.7 19.5
2000 03 17 13 50.00 -12 29.4 0.434 1.379 146.7 23.3 18.9
2000 03 27 13 45.33 -17 01.2 0.364 1.337 155.5 18.1 18.3
2000 04 06 13 33.44 -22 38.3 0.308 1.297 162.0 13.8 17.7
2000 04 16 13 13.50 -29 13.2 0.268 1.259 160.1 15.7 17.4
2000 04 26 12 46.35 -36 10.7 0.243 1.223 149.9 24.4 17.4
2000 05 06 12 15.31 -42 38.3 0.232 1.190 137.5 34.9 17.5
2000 05 16 11 46.01 -48 07.5 0.230 1.162 126.2 44.6 17.7
2000 05 26 11 23.01 -52 48.9 0.232 1.138 117.3 52.3 17.9
2000 06 05 11 08.97 -57 08.4 0.236 1.121 110.9 57.8 18.1
2000 06 15 11 05.58 -61 34.2 0.239 1.109 107.0 61.1 18.2
2000 06 25 11 15.32 -66 21.6 0.240 1.105 105.5 62.4 18.2
2000 07 05 11 47.0 -71 30.0 0.240 1.108 106.2 61.8 18.2
2000 07 15 13 05.4 -76 19.0 0.240 1.118 108.9 59.3 18.2
2000 07 25 15 41.5 -77 50.6 0.242 1.134 113.5 55.2 18.1
2000 08 04 18 04.7 -72 50.5 0.248 1.156 119.2 50.0 18.0
2000 08 14 19 17.02 -63 51.6 0.263 1.184 125.0 44.5 18.1
2000 08 24 19 55.56 -53 48.2 0.290 1.215 129.3 40.0 18.2
2000 09 03 20 20.95 -44 11.0 0.330 1.251 131.2 37.4 18.5
2000 09 13 20 41.05 -35 44.9 0.384 1.289 130.5 36.4 18.9
2000 09 23 20 58.84 -28 40.9 0.451 1.329 127.9 36.6 19.3
2000 10 03 21 15.76 -22 50.7 0.531 1.370 124.0 37.2 19.7
2000 10 13 21 32.50 -17 59.5 0.621 1.412 119.6 37.9 20.1
2000 10 23 21 49.28 -13 53.0 0.721 1.454 114.9 38.4 20.5
2000 11 02 22 06.29 -10 18.8 0.830 1.496 110.1 38.5 20.9
2000 11 12 22 23.58 -07 07.6 0.946 1.537 105.1 38.4 21.2
2000 11 22 22 41.11 -04 12.8 1.068 1.577 100.2 38.0 21.6
2000 12 02 22 58.91 -01 29.5 1.195 1.617 95.2 37.4 21.8
2000 12 12 23 16.97 +01 05.6 1.325 1.655 90.3 36.5 22.1
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-C35
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