MPEC 2005-C52 : 2001 FF90
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M.P.E.C. 2005-C52 Issued 2005 Feb. 11, 21:19 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 FF90
Revision to MPEC 2001-F49
Additional Observations:
K01F90F bC2005 02 04.94405 11 24 21.49 +17 16 33.7 21.6 EC052095
K01F90F bC2005 02 04.94623 11 24 21.40 +17 16 34.0 EC052095
K01F90F bC2005 02 04.95060 11 24 21.12 +17 16 35.8 EC052095
K01F90F bC2005 02 04.95278 11 24 21.05 +17 16 36.3 EC052095
K01F90F bC2005 02 05.04426 11 24 16.03 +17 16 54.9 EC052095
K01F90F bC2005 02 05.05278 11 24 15.59 +17 16 57.2 EC052095
K01F90F bC2005 02 05.05704 11 24 15.28 +17 16 59.8 EC052095
K01F90F bC2005 02 05.06131 11 24 15.10 +17 16 59.0 EC052095
K01F90F bC2005 02 05.06557 11 24 14.87 +17 17 00.7 EC052095
K01F90F bC2005 02 05.06983 11 24 14.62 +17 17 01.8 EC052095
K01F90F bC2005 02 05.07408 11 24 14.42 +17 17 03.0 EC052095
K01F90F bC2005 02 05.11246 11 24 12.28 +17 17 09.9 EC052095
K01F90F bC2005 02 05.12098 11 24 11.83 +17 17 12.3 EC052095
K01F90F bC2005 02 06.84977 11 22 37.02 +17 23 34.3 EC052095
K01F90F bC2005 02 06.85196 11 22 36.80 +17 23 33.1 EC052095
K01F90F bC2005 02 06.85413 11 22 36.76 +17 23 34.2 EC052095
K01F90F bC2005 02 06.85631 11 22 36.64 +17 23 34.6 EC052095
K01F90F bC2005 02 06.85849 11 22 36.38 +17 23 34.9 EC052095
K01F90F bC2005 02 06.92202 11 22 32.66 +17 23 51.9 EC052095
K01F90F bC2005 02 06.93480 11 22 32.02 +17 23 52.7 EC052095
K01F90F bC2005 02 06.93907 11 22 31.63 +17 23 56.1 EC052095
Observer details:
095 Crimea-Nauchnij. Observers V. Rumyantsev, V. Biryukov. 2.6-m f/4
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
050204 095 2.8- 3.6+ 050206 095 5.2- 6.1+ MPO 57814 +0.0052 day
Orbital elements:
2001 FF90
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 299.46321 (2000.0) P Q
n 0.23641073 Peri. 291.32286 +0.28115118 +0.95893717
a 2.5903469 Node 354.57894 -0.66671780 +0.16720106
e 0.6279854 Incl. 23.27426 -0.69024734 +0.22909236
P 4.17 H 16.7 G 0.15 U 1
Residuals in seconds of arc
010316 608 0.3- 0.5+ 010406 413 0.2- 0.0 011015 649 0.2- 0.1+
010316 608 0.3+ 0.6- 010409 413 0.1+ 0.4+ 011015 649 0.1- 0.2+
010318 699 0.5+ 0.2- 010409 413 0.0 0.1- 011015 704 1.0- 0.2-
010318 699 0.2- 0.5+ 010412 413 0.0 0.3+ 011015 704 0.5- 0.0
010318 699 0.8- 0.7+ 010412 413 0.1+ 0.2+ 011015 704 0.4- 0.5-
010318 699 1.3- 0.3+ 010412 413 0.1- 0.4+ 011016 649 0.1+ 0.1+
010326 608 0.8+ 0.9- 010413 413 0.1+ 0.5+ 011016 649 0.1+ 0.8+
010326 608 0.6+ 0.5- 010413 413 0.1- 0.4+ 011016 649 0.1- 0.2-
010326 608 0.7+ 1.0- 010413 413 0.1- 0.0 011118 704 0.5- 0.1-
010327 649 0.5+ 0.2+ 010416 360 0.6+ 0.6+ 011118 704 1.1- 0.3-
010327 649 0.2- 0.3+ 010416 360 0.1- 0.3+ 011118 704 0.7- 0.6-
010327 649 0.0 0.8+ 010416 360 0.7+ 0.7+ 011118 704 0.6- 0.4-
010327 608 0.2- 0.2- 010417 699 0.6+ 0.1- 050204 095 0.5+ 0.0
010327 608 0.1+ 0.0 010417 699 0.6- 0.2+ 050204 095 0.9+ 0.1-
010327 608 0.0 0.3- 010417 699 0.1- 0.4+ 050204 095 0.3+ 0.7+
010327 595 0.1+ 1.4- 010417 699 0.5- 0.6+ 050204 095 1.0+ 0.7+
010327 595 0.1- 1.2- 010510 360 0.0 0.0 050205 095 0.6+ 0.6-
010327 595 0.5- 0.2- 010510 360 0.4+ 0.1- 050205 095 1.0+ 0.2-
010327 595 0.7- 0.9- 010510 360 0.1+ 0.1+ 050205 095 0.1- 1.5+
010328 711 1.1+ 0.2- 010510 360 0.3+ 0.5- 050205 095 0.7+ 0.2-
010328 711 1.0- 0.3- 010603 413 0.1+ 0.3+ 050205 095 0.7+ 0.6+
010328 422 0.5- 0.3+ 010603 413 0.0 0.2+ 050205 095 0.5+ 0.8+
010328 422 0.9- 0.6+ 010603 413 0.4+ 0.4+ 050205 095 0.9+ 1.0+
010328 422 0.0 0.5- 010725 474 0.3+ 0.3+ 050205 095 0.3+ 0.3-
010328 557 0.1- 0.9- 010725 474 0.8+ 0.3- 050205 095 0.5+ 0.3+
010328 557 0.3+ 0.9- 010725 474 0.4+ 0.0 050206 095 1.1+ 0.9+
010328 557 0.0 0.3+ 010725 474 0.4+ 0.1- 050206 095 0.2- 0.8-
010328 046 0.4- 0.4+ 010725 474 0.4+ 0.1+ 050206 095 1.0+ 0.1-
010328 046 2.1+ 0.5- 010911 474 0.2+ 0.8+ 050206 095 1.1+ 0.2-
010328 046 0.2+ 0.5+ 010911 474 0.7+ 0.8+ 050206 095 0.8- 0.4-
010328 046 0.8+ 0.6+ 011013 704 0.2+ 1.9+ 050206 095 1.3- 2.1+
010405 413 0.2- 0.2- 011013 704 0.2- 2.0+ 050206 095 0.2+ 0.0
010405 413 0.4- 0.2- 011013 704 0.3- 1.6+ 050206 095 1.8- 2.5+
010406 413 0.3- 0.1+ 011013 704 0.3- 0.6+
010406 413 0.2- 0.7+ 011015 649 0.7+ 0.2-
Ephemeris:
2001 FF90 a,e,i = 2.59, 0.63, 23 q = 0.9636
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 02 09 11 20.50 +17 31.7 1.787 2.706 153.5 9.4 20.7
2005 02 19 11 08.80 +18 09.4 1.676 2.641 164.2 5.9 20.4
2005 03 01 10 54.52 +18 41.5 1.595 2.574 168.8 4.3 20.1
2005 03 11 10 38.82 +18 59.7 1.545 2.506 161.1 7.4 20.2
2005 03 21 10 23.27 +18 57.5 1.526 2.435 149.2 12.1 20.3
2005 03 31 10 09.46 +18 32.4 1.532 2.364 137.0 16.7 20.4
2005 04 10 09 58.57 +17 45.6 1.560 2.290 125.3 20.9 20.5
2005 04 20 09 51.29 +16 40.1 1.602 2.214 114.3 24.4 20.6
2005 04 30 09 47.73 +15 19.6 1.653 2.137 104.3 27.2 20.7
2005 05 10 09 47.71 +13 46.5 1.706 2.058 95.1 29.3 20.7
2005 05 20 09 50.90 +12 02.2 1.757 1.977 86.8 30.7 20.7
2005 05 30 09 56.90 +10 07.1 1.802 1.895 79.2 31.7 20.7
2005 06 09 10 05.38 +08 01.1 1.839 1.812 72.4 32.3 20.7
2005 06 19 10 16.07 +05 43.3 1.866 1.727 66.2 32.6 20.6
2005 06 29 10 28.76 +03 12.7 1.881 1.641 60.6 32.7 20.5
Gareth V. Williams (C) Copyright 2005 MPC M.P.E.C. 2005-C52
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