MPEC 2000-O21: 1997 TT25
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M.P.E.C. 2000-O21 Issued 2000 July 25, 14:04 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
1997 TT25
Revision to MPEC 1997-U05
Observations:
J97T25T 1C2000 07 22.66993 22 58 06.21 -22 57 39.6 20.8 R 413
J97T25T 1C2000 07 22.67913 22 58 06.31 -22 57 43.2 21.2 R 413
J97T25T 1C2000 07 22.68362 22 58 06.29 -22 57 43.9 413
J97T25T 1C2000 07 22.69445 22 58 06.41 -22 57 48.0 413
J97T25T 1C2000 07 22.69881 22 58 06.47 -22 57 49.2 413
J97T25T 1C2000 07 22.70318 22 58 06.51 -22 57 51.1 413
J97T25T 1C2000 07 22.70754 22 58 06.62 -22 57 52.7 413
J97T25T 1C2000 07 22.71191 22 58 06.61 -22 57 54.0 413
J97T25T 1C2000 07 24.66362 22 58 31.28 -23 09 09.5 21.8 R 413
J97T25T 1C2000 07 24.66816 22 58 31.32 -23 09 11.4 21.3 R 413
J97T25T 1C2000 07 24.67318 22 58 31.32 -23 09 13.1 21.4 R 413
J97T25T 1C2000 07 24.67959 22 58 31.36 -23 09 15.3 21.6 R 413
J97T25T 1C2000 07 24.68396 22 58 31.40 -23 09 17.0 21.1 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
000722 413 0.13- 0.07- 000724 413 0.14- 0.07- MPC 31146 +0.17 day
Orbital elements:
1997 TT25
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 331.66405 (2000.0) P Q
n 0.31850982 Peri. 17.89780 +0.66676267 -0.74224405
a 2.1235093 Node 30.39000 +0.66653617 +0.55362865
e 0.4167241 Incl. 7.62120 +0.33340228 +0.37758322
P 3.09 H 19.4 G 0.15 U 1
Residuals in seconds of arc
971012 327 1.2+ 0.3+ 971026 104 0.9+ 0.0 971119 557 0.9+ 0.1+
971012 327 0.5+ 0.8+ 971027 700 0.4+ 0.4- 971119 557 0.5+ 0.5+
971012 327 0.0 0.1+ 971027 700 0.0 1.0- 971119 557 0.3+ 0.3-
971012 327 0.6- 0.2+ 971028 861 0.3- 0.2+ 971119 557 0.4- 0.2+
971013 327 0.7+ 0.6- 971028 861 0.9- 1.9+ 971123 046 0.3- 0.2+
971013 327 0.1+ 0.1+ 971029 566 0.1- 0.4+ 971123 046 0.5- 0.1-
971013 327 0.2- 0.4- 971029 566 0.1+ 0.3+ 971123 046 0.5- 0.0
971020 327 0.3- 0.6+ 971029 566 0.3+ 0.5+ 971201 327 0.5- 0.1+
971020 327 0.1+ 0.3+ 971029 402 0.5- 0.2+ 971201 327 0.6- 0.3+
971020 327 0.7- 0.9+ 971029 402 0.5- 0.2+ 971201 327 1.7- 0.6+
971020 327 0.1- 0.2+ 971029 402 0.7- 0.3+ 971205 118 0.1+ 0.4+
971021 327 1.1- 0.9- 971030 046 0.2+ 0.2+ 971205 118 0.2+ 0.2+
971021 327 0.5- 0.5+ 971030 046 0.1- 0.4+ 971205 118 0.2- 0.0
971021 327 0.2- 0.6+ 971031 327 0.3+ 0.1+ 971206 118 0.3- 0.2+
971022 046 0.3+ 0.4+ 971031 327 0.1+ 0.4+ 971206 118 0.1- 0.4+
971022 046 0.8- 0.2- 971031 327 0.3+ 0.2- 971206 118 0.2- 0.1+
971022 046 0.2- 0.3- 971102 557 0.5+ 0.4+ 971206 118 0.3- 0.2+
971022 557 0.2- 0.9- 971102 557 0.1- 0.3+ 971206 118 0.4- 0.2+
971022 557 0.3- 0.1+ 971103 422 0.3- 1.4- 971219 046 0.3- 0.6+
971022 422 0.2+ 0.7- 971103 422 0.4- 1.0- 971219 046 0.5- 0.3+
971022 422 0.3+ 0.2+ 971103 360 0.3+ 0.1- 971219 046 0.5- 0.1+
971022 867 0.1- 0.7+ 971103 360 0.4+ 0.0 971219 046 1.0- 0.7+
971022 867 0.6- 0.0 971103 360 0.3+ 0.2+ 971224 360 0.3- 0.6-
971022 867 0.2- 0.2+ 971103 327 0.3+ 0.2+ 971224 327 0.1- 1.2-
971022 867 0.6- 0.1+ 971103 327 0.1+ 0.2- 971224 360 0.2+ 0.6-
971022 327 0.9+ 0.8+ 971103 327 0.5+ 0.5+ 971224 327 1.0+ 0.7-
971022 327 0.2+ 0.4+ 971103 587 0.1+ 0.2+ 971224 327 0.6+ 0.0
971022 327 0.0 0.2+ 971103 587 0.2+ 0.1- 971224 360 0.1- 0.9-
971023 557 0.3- 0.4- 971104 046 0.6+ 0.2- 971228 104 0.2+ 0.3+
971023 557 0.0 0.4- 971104 046 0.1+ 0.2+ 971228 104 0.1+ 0.2+
971023 658 0.1+ 0.5- 971104 046 0.1+ 0.3- 971228 104 0.1+ 0.2-
971023 658 0.0 0.6- 971105 557 0.3+ 0.2- 971230 711 0.1+ 0.4-
971023 658 0.3- 0.4- 971105 557 0.5+ 0.3- 971230 711 0.1+ 0.1-
971023 402 0.1+ 0.1+ 971105 557 0.6+ 0.7- 971230 118 0.1+ 0.1-
971023 402 0.3+ 0.5- 971105 557 0.8+ 0.1+ 971230 118 0.4+ 0.1-
971023 402 0.6- 0.6+ 971105 557 0.4+ 0.4- 971231 711 0.1+ 0.0
971024 658 0.2- 0.0 971105 402 0.4+ 0.4- 980101 711 0.8+ 0.3-
971024 658 0.3- 0.1- 971105 402 0.5+ 0.5- 980101 711 1.0+ 0.6+
971024 658 0.3- 0.0 971105 402 0.4+ 0.1- 980103 711 0.2+ 0.3+
971024 360 0.3+ 0.2+ 971105 381 0.2+ 0.1- 980103 711 0.1+ 0.0
971024 360 0.1+ 0.1+ 971105 381 0.2+ 0.2- 000722 413 0.4+ 0.1+
971024 360 0.2+ 0.2+ 971105 381 0.1+ 0.3- 000722 413 0.4+ 0.4-
971024 620 0.7- 0.3- 971106 422 0.8+ 0.4+ 000722 413 0.5- 0.4+
971025 620 1.1- 0.0 971106 422 0.3+ 0.6+ 000722 413 0.5- 0.0
971025 620 1.2- 0.2+ 971111 046 0.2- 0.2- 000722 413 0.3- 0.3+
971025 620 1.3- 0.9+ 971111 046 0.3- 0.1- 000722 413 0.4- 0.2-
971025 402 0.4+ 0.6- 971111 046 0.4- 0.0 000722 413 0.5+ 0.3-
971025 402 0.4+ 0.4- 971112 658 0.1- 0.7- 000722 413 0.3- 0.1-
971025 402 0.1+ 0.3- 971112 658 0.4- 0.4- 000724 413 0.4+ 0.1-
971025 596 1.1- 0.2+ 971112 658 0.2- 0.8- 000724 413 0.5+ 0.3-
971025 596 1.7+ 0.4- 971113 658 0.3+ 0.5- 000724 413 0.1+ 0.2-
971025 596 0.1- 0.7- 971113 658 0.1- 0.3- 000724 413 0.0 0.1-
971026 104 0.6+ 0.2+ 971113 658 0.2+ 0.3- 000724 413 0.2+ 0.2-
971026 104 0.5+ 0.3+ 971119 557 0.4+ 0.9+
Ephemeris:
1997 TT25 a,e,i = 2.12, 0.42, 8 q = 1.2386
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 07 25 22 58.57 -23 11.2 0.846 1.765 142.7 20.4 21.3
2000 08 04 22 58.19 -24 18.7 0.751 1.711 151.0 16.7 20.8
2000 08 14 22 53.58 -25 35.1 0.672 1.657 158.5 12.9 20.4
2000 08 24 22 44.79 -26 46.6 0.610 1.604 162.6 10.9 20.0
2000 09 03 22 32.76 -27 33.5 0.566 1.552 159.6 13.1 19.9
2000 09 13 22 19.76 -27 36.1 0.538 1.501 151.5 18.6 19.9
2000 09 23 22 08.62 -26 43.7 0.525 1.453 141.9 25.2 20.0
2000 10 03 22 01.86 -24 55.9 0.523 1.408 132.5 31.6 20.1
2000 10 13 22 00.96 -22 20.4 0.529 1.366 124.0 37.3 20.2
2000 10 23 22 06.06 -19 06.7 0.541 1.329 116.7 42.0 20.3
2000 11 02 22 16.75 -15 21.9 0.556 1.297 110.6 45.7 20.4
2000 11 12 22 32.27 -11 11.5 0.575 1.272 105.7 48.5 20.5
2000 11 22 22 51.83 -06 40.4 0.596 1.253 101.8 50.5 20.6
2000 12 02 23 14.83 -01 54.0 0.620 1.242 98.8 51.7 20.7
2000 12 12 23 40.78 +03 01.1 0.648 1.239 96.5 52.2 20.8
2000 12 22 00 09.26 +07 56.0 0.682 1.243 94.8 52.0 21.0
2001 01 01 00 40.02 +12 41.4 0.724 1.256 93.5 51.4 21.1
2001 01 11 01 12.74 +17 07.6 0.773 1.276 92.4 50.3 21.2
2001 01 21 01 47.06 +21 05.7 0.831 1.303 91.4 49.0 21.4
2001 01 31 02 22.64 +24 29.2 0.899 1.336 90.2 47.5 21.6
2001 02 10 02 58.98 +27 13.9 0.977 1.374 88.9 45.9 21.8
2001 02 20 03 35.52 +29 18.1 1.064 1.417 87.2 44.2 22.0
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-O21
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