MPEC 2002-R78 : 2001 TW1
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M.P.E.C. 2002-R78 Issued 2002 Sept. 15, 14:26 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 TW1
Revision to MPEC 2001-T44
Observations:
K01T01W C2002 09 13.08234 05 29 55.15 +25 16 00.6 21.8 R 540
K01T01W C2002 09 14.07747 05 30 34.68 +25 43 17.2 540
K01T01W C2002 09 14.10010 05 30 35.54 +25 43 54.6 21.5 R 540
Observer details:
540 Linz. Observer E. Meyer. 0.6-m f/3.0 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020913 540 3.6+ 2.1- 020914 540 2.7+ 0.7- MPO 21049 -0.00010 day
Orbital elements:
2001 TW1
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 192.24092 (2000.0) P Q
n 1.13302227 Peri. 208.76416 -0.58901119 +0.77185230
a 0.9112630 Node 27.40797 -0.60544750 -0.22527113
e 0.5258742 Incl. 31.33614 -0.53525614 -0.59455609
P 0.87 H 19.2 G 0.15 U 4
Residuals in seconds of arc
011009 704 0.1+ 0.9+ 011012 844 (1.9+ 3.3+) 011018 808 1.0- 1.4+
011009 704 0.1+ 0.8+ 011012 844 1.8- 1.2- 011018 808 0.7- 1.6-
011009 704 0.1+ 1.0+ 011012 649 0.6- 0.1- 011018 678 0.7- 0.1-
011009 704 0.3+ 1.0+ 011012 649 0.2- 0.0 011018 678 0.9- 0.2-
011009 704 0.8+ 1.4+ 011012 649 0.6- 0.0 011018 678 0.6- 0.5+
011010 696 0.2- 0.2+ 011012 474 0.9- 0.3- 011018 678 0.7- 0.5-
011010 696 0.4+ 0.1- 011012 474 0.9- 0.2- 011018 678 0.7- 0.3-
011010 151 0.4- 1.7+ 011012 474 0.4- 0.2- 011018 678 0.2- 0.0
011010 046 0.2+ 0.1- 011012 474 0.5- 0.1- 011019 699 1.0+ 0.1-
011010 151 0.0 0.5+ 011012 300 0.0 0.1+ 011019 699 0.8+ 0.0
011010 046 0.3- 0.1- 011012 300 0.5+ 0.0 011019 699 0.6+ 0.1-
011010 046 0.1- 0.3+ 011012 300 0.2- 0.3+ 011019 699 0.6+ 0.1-
011010 046 0.8+ 0.5+ 011012 300 0.0 0.6- 011019 360 0.3+ 0.5-
011010 151 0.5- 1.0+ 011012 300 0.1+ 0.1+ 011019 360 0.1+ 0.7-
011010 046 0.1+ 0.2+ 011012 118 0.2+ 0.1+ 011019 360 0.4+ 0.7-
011010 046 0.3+ 0.1- 011012 118 0.1+ 0.6+ 011020 704 0.5- 1.0+
011010 151 0.6- 1.3+ 011012 118 0.8+ 0.3+ 011020 704 0.6- 0.9+
011011 557 0.5+ 0.7- 011012 118 0.3+ 0.4+ 011020 704 0.4- 1.0+
011011 557 1.0+ 0.8- 011012 104 0.2- 0.1+ 011020 704 0.4- 0.9+
011011 557 0.0 1.5- 011012 104 0.3+ 0.3- 011020 704 0.4+ 0.9-
011011 557 0.4- 1.7- 011012 104 2.8- 1.4+ 011021 151 0.2+ 0.3-
011011 557 1.3- 1.2- 011012 104 1.1+ 0.2- 011021 151 0.5+ 0.1-
011011 557 0.6+ 1.9- 011013 599 0.8+ 0.2- 011021 151 0.5+ 0.3-
011011 557 0.4+ 0.9- 011013 599 2.4+ 0.6- 011021 151 0.6+ 0.4-
011011 557 0.4- 1.0- 011013 599 1.7+ 0.3- 011022 704 0.6+ 1.0-
011011 557 1.0+ 0.2- 011013 859 1.1+ 0.2+ 011022 704 0.6+ 1.3-
011011 557 0.9+ 1.0- 011013 859 0.6- 1.3+ 011022 704 0.4+ 1.1-
011011 557 0.3+ 2.4- 011013 859 0.6+ 0.2+ 011023 704 0.9+ 0.4+
011011 557 1.3+ 1.6- 011013 859 1.0- 0.0 011023 704 1.1+ 0.3+
011011 557 0.3+ 0.4- 011013 859 0.7- 0.2+ 011023 670 1.1- 0.0
011011 704 0.5- 0.2+ 011013 854 0.2+ 0.4- 011023 704 0.8+ 0.2+
011011 704 0.2+ 0.0 011013 854 0.4- 0.1+ 011023 704 1.0+ 0.2+
011011 704 0.5- 0.3+ 011013 854 0.4+ 0.2- 011023 704 0.8+ 0.1+
011011 649 0.2- 0.2+ 011013 854 0.4+ 0.1- 011023 670 0.4- 1.1-
011011 649 0.2+ 0.0 011013 678 0.3+ 0.7+ 011024 704 0.9- 0.3-
011011 649 0.3+ 0.4+ 011013 678 0.7- 0.8- 011024 704 0.9- 0.3+
011011 704 0.3- 0.3+ 011013 678 0.3+ 1.3- 011024 704 0.5- 0.3-
011011 704 0.2+ 0.5+ 011013 678 0.4- 0.2- 011024 704 0.3- 0.4-
011011 704 0.2+ 0.7+ 011013 678 0.7- 0.6- 011024 704 0.2+ 0.3-
011011 704 0.1+ 0.3+ 011013 678 1.2- 0.6- 011026 151 0.7+ 0.0
011011 704 0.5+ 0.8+ 011014 300 1.0+ 0.3- 011026 151 0.5+ 0.6+
011011 704 0.0 0.4+ 011014 300 0.6+ 0.9+ 011026 151 0.4- 0.6+
011011 333 0.1- 0.4- 011014 300 0.3- 0.5+ 011026 151 0.4- 0.7+
011011 333 0.2+ 0.8- 011014 300 1.7- 1.0+ 011110 611 0.9+ 1.0+
011011 333 0.2- 0.2- 011014 300 0.7+ 0.6+ 011110 611 0.3+ 0.4-
011011 333 0.1- 0.3- 011014 402 0.1+ 0.1- 011110 611 0.2+ 1.4+
011011 474 0.9- 0.1+ 011014 402 0.8+ 0.5- 011111 644 0.3+ 0.3+
011011 474 0.9- 0.0 011014 402 0.4+ 0.4- 011111 644 0.0 0.4+
011011 474 0.4- 0.4+ 011014 151 1.1- 0.2+ 011111 644 0.2+ 0.4+
011011 474 0.6- 0.4+ 011014 151 0.8- 0.3+ 011117 704 0.3+ 0.7+
011011 046 0.6- 0.0 011014 151 1.4- 0.1+ 011117 704 0.4+ 0.3+
011011 046 0.1- 0.9+ 011014 151 1.4- 0.7+ 011117 704 0.2+ 1.1+
011011 046 (3.8+ 4.5+) 011014 151 1.7- 0.7+ 011118 704 0.1+ 0.4+
011011 046 0.4+ 0.1+ 011014 151 1.4- 1.0+ 011118 704 0.0 0.1-
011011 946 2.1- 0.5- 011015 046 0.8+ 0.2+ 011118 704 0.0 0.5+
011011 587 0.1- 0.5+ 011015 046 0.5+ 0.0 011118 704 0.5+ 0.5+
011011 946 0.6- 0.5- 011015 046 0.7+ 0.2- 011120 704 1.0- 0.7+
011011 587 0.3+ 0.2+ 011015 046 0.5+ 0.0 011120 704 0.2- 0.6-
011011 946 0.7+ 0.7- 011015 118 0.4- 0.7- 011120 704 0.3- 1.6-
011011 587 0.4- 0.2+ 011015 118 0.3- 0.8- 011120 704 0.4- 0.5-
011011 595 0.0 0.1- 011015 118 0.2- 1.2- 020913 540 0.3+ 0.7-
011011 595 0.1+ 1.2- 011015 629 0.1- 0.3- 020914 540 1.0- 1.0+
011011 595 0.6+ 0.0 011015 629 0.4- 0.5- 020914 540 0.5- 0.6+
011011 595 0.1+ 0.2+ 011015 629 0.2- 1.2-
011011 595 0.4+ 1.2- 011015 629 0.0 0.7-
Ephemeris:
2001 TW1 a,e,i = 0.91, 0.53, 31 q = 0.4321
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 09 13 05 29.86 +25 13.9 0.794 1.247 86.8 53.7 21.1
2002 09 23 05 34.98 +30 07.5 0.728 1.292 95.2 50.7 20.9
2002 10 03 05 35.29 +35 56.3 0.660 1.328 104.3 46.9 20.7
2002 10 13 05 27.19 +42 52.1 0.596 1.356 114.2 42.1 20.4
2002 10 23 05 04.05 +50 45.4 0.544 1.376 124.1 36.8 20.1
2002 11 02 04 14.35 +58 25.7 0.511 1.387 131.9 32.2 19.8
2002 11 12 02 49.82 +63 06.1 0.505 1.390 134.4 30.6 19.7
2002 11 22 01 17.44 +62 31.1 0.525 1.386 130.2 33.0 19.9
2002 12 02 00 15.96 +58 25.6 0.566 1.373 122.1 37.5 20.2
2002 12 12 23 45.76 +53 45.6 0.621 1.352 112.8 42.2 20.5
2002 12 22 23 34.29 +49 52.9 0.680 1.323 103.8 46.2 20.7
2003 01 01 23 33.34 +47 03.2 0.738 1.285 95.5 49.6 20.9
2003 01 11 23 38.70 +45 10.8 0.789 1.239 88.0 52.5 21.1
2003 01 21 23 48.05 +44 04.4 0.827 1.183 81.1 55.2 21.2
2003 01 31 00 00.13 +43 31.2 0.850 1.118 74.7 58.2 21.2
2003 02 10 00 14.16 +43 19.1 0.855 1.044 68.6 61.7 21.2
2003 02 20 00 29.41 +43 12.4 0.837 0.959 62.8 66.4 21.1
Timothy B. Spahr (C) Copyright 2002 MPC M.P.E.C. 2002-R78
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