MPEC 1998-L03: 1997 RT5
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M.P.E.C. 1998-L03 Issued 1998 June 1, 17:07 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
1997 RT5
Revision to MPEC 1997-R12
Observations:
J97R05T C1998 05 29.54402 23 09 10.01 -05 41 22.5 568
J97R05T C1998 05 29.56914 23 09 10.04 -05 41 22.1 568
J97R05T C1998 05 29.59532 23 09 10.09 -05 41 21.7 568
J97R05T C1998 05 29.61889 23 09 10.13 -05 41 21.8 568
J97R05T C1998 05 30.54913 23 09 11.60 -05 41 15.7 568
J97R05T C1998 05 30.57946 23 09 11.63 -05 41 15.7 23.6 R 568
Observer details:
568 Mauna Kea. Observer C. Veillet. 3.6-m Canada-France-Hawaii Telescope.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
980529 568 46.2- 22.2- 980530 568 46.4- 22.3- MPC 31145
Orbital elements:
1997 RT5
Epoch 1998 July 6.0 TT = JDT 2451000.5 Marsden
M 91.78516 (2000.0) P Q
n 0.00362283 Peri. 80.19247 -0.43260098 +0.89949289
a 41.9859593 Node 163.74718 -0.88904351 -0.41427463
e 0.0806858 Incl. 12.67104 -0.14986002 -0.13888511
P 272 H 7.0 G 0.15 U 7
Residuals in seconds of arc
970906 950 0.0 0.1+ 970910 950 0.3+ 0.0 971005 675 0.7+ 0.1-
970906 950 0.1- 0.1+ 970910 950 0.1+ 0.6- 971027 675 0.2- 1.0+
970907 950 0.2- 0.0 970923 568 0.3- 0.2- 971027 675 0.2- 0.8+
970907 950 0.4+ 0.3- 970923 568 0.1- 0.3+ 971027 675 0.4- 0.9+
970907 950 0.0 0.2+ 970924 568 0.1- 0.0 980529 568 0.0 0.3-
970907 675 0.1+ 0.1+ 970924 568 0.5- 0.2- 980529 568 0.1- 0.0
970907 675 0.1+ 0.1+ 970927 696 0.4- 1.1- 980529 568 0.0 0.2+
970908 675 0.0 0.2- 970927 696 0.4- 0.3- 980529 568 0.1+ 0.1-
970908 675 0.1- 0.2- 971005 675 0.3+ 0.5- 980530 568 0.2+ 0.0
970910 950 0.4+ 0.5+ 971005 675 0.5+ 0.0 980530 568 0.0 0.2-
Ephemeris:
1997 RT5 a,e,i = 41.99, 0.08, 13 q = 38.598
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 05 27 23 09.09 -05 41.7 42.527 42.354 79.5 1.3 23.5
1998 06 06 23 09.33 -05 40.8 42.362 42.356 89.0 1.4 23.5
1998 06 16 23 09.42 -05 40.8 42.195 42.358 98.5 1.4 23.4
1998 06 26 23 09.37 -05 41.7 42.033 42.360 108.1 1.3 23.4
1998 07 06 23 09.18 -05 43.4 41.880 42.362 117.7 1.2 23.4
1998 07 16 23 08.86 -05 46.0 41.741 42.364 127.3 1.1 23.4
1998 07 26 23 08.42 -05 49.3 41.618 42.367 137.0 0.9 23.4
1998 08 05 23 07.88 -05 53.2 41.517 42.369 146.7 0.8 23.4
1998 08 15 23 07.26 -05 57.7 41.440 42.371 156.5 0.5 23.3
1998 08 25 23 06.58 -06 02.5 41.390 42.373 166.3 0.3 23.3
1998 09 04 23 05.86 -06 07.6 41.369 42.375 176.1 0.1 23.3
1998 09 14 23 05.12 -06 12.7 41.377 42.377 174.0 0.1 23.3
1998 09 24 23 04.41 -06 17.6 41.414 42.379 164.0 0.4 23.3
1998 10 04 23 03.73 -06 22.3 41.480 42.381 154.0 0.6 23.3
1998 10 14 23 03.13 -06 26.6 41.573 42.383 144.0 0.8 23.4
1998 10 24 23 02.61 -06 30.2 41.690 42.385 133.9 1.0 23.4
1998 11 03 23 02.21 -06 33.2 41.828 42.388 123.8 1.1 23.4
1998 11 13 23 01.94 -06 35.3 41.983 42.390 113.7 1.2 23.4
1998 11 23 23 01.81 -06 36.5 42.149 42.392 103.6 1.3 23.4
1998 12 03 23 01.83 -06 36.8 42.323 42.394 93.4 1.3 23.5
1998 12 13 23 02.00 -06 36.2 42.499 42.396 83.3 1.3 23.5
1998 12 23 23 02.32 -06 34.6 42.671 42.398 73.2 1.3 23.5
1999 01 02 23 02.78 -06 32.1 42.835 42.400 63.2 1.2 23.5
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-L03
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