MPEC 1997-X05: 1997 WP23
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M.P.E.C. 1997-X05 Issued 1997 Dec. 4, 18:46 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 WP23
Observations:
J97W23P* C1997 11 29.28025 05 09 23.22 +26 16 23.8 18.3 704
J97W23P C1997 11 29.31721 05 09 12.31 +26 16 26.6 704
J97W23P C1997 11 29.33627 05 09 06.92 +26 16 30.6 704
J97W23P C1997 11 29.38398 05 08 52.43 +26 16 34.3 704
J97W23P C1997 11 30.58646 05 03 06.26 +26 18 27.9 360
J97W23P C1997 11 30.59097 05 03 04.91 +26 18 28.5 360
J97W23P C1997 11 30.59462 05 03 03.81 +26 18 28.4 360
J97W23P C1997 12 02.35606 04 54 30.91 +26 19 16.7 658
J97W23P C1997 12 02.36722 04 54 27.66 +26 19 16.9 658
J97W23P C1997 12 02.37118 04 54 26.44 +26 19 16.8 658
J97W23P C1997 12 02.62929 04 53 11.30 +26 19 36.7 426
J97W23P C1997 12 02.63720 04 53 09.08 +26 19 35.6 426
J97W23P C1997 12 02.64016 04 53 07.81 +26 19 33.6 18.0 R 426
J97W23P C1997 12 03.30222 04 49 55.23 +26 18 48.7 658
J97W23P C1997 12 03.30465 04 49 54.44 +26 18 48.9 658
J97W23P C1997 12 03.30689 04 49 53.82 +26 18 48.8 658
Observer details:
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, J. Sharma. 1.0-m f/2.15
reflector + CCD.
Orbital elements:
1997 WP23
Epoch 1997 Nov. 28.0 TT = JDT 2450780.5 Williams
M 161.63854 (2000.0) P Q
n 1.16880259 Peri. 194.13780 -0.24778972 +0.96327967
a 0.8925693 Node 61.60352 -0.87705801 -0.17770074
e 0.6428895 Incl. 6.75063 -0.41154527 -0.20128270
P 0.84 H 18.5 G 0.15
From 16 observations 1997 Nov. 29-Dec. 3.
Ephemeris:
1997 WP23 a,e,i = 0.89, 0.64, 7 q = 0.3187
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 11 28 05 15.47 +26 13.2 0.479 1.455 165.5 9.8 18.4
1997 12 03 04 51.39 +26 19.2 0.477 1.461 174.7 3.6 18.1
1997 12 08 04 27.37 +26 07.3 0.483 1.465 172.0 5.4 18.2
1997 12 13 04 04.83 +25 40.2 0.497 1.466 162.5 11.7 18.5
1997 12 18 03 44.82 +25 03.1 0.519 1.466 153.0 17.7 18.8
1997 12 23 03 27.93 +24 21.9 0.547 1.463 144.1 23.2 19.1
1997 12 28 03 14.31 +23 41.8 0.580 1.457 135.9 28.0 19.4
1998 01 02 03 03.83 +23 06.3 0.617 1.450 128.4 32.1 19.6
1998 01 07 02 56.19 +22 37.6 0.657 1.440 121.5 35.6 19.8
1998 01 12 02 51.02 +22 16.4 0.698 1.428 115.2 38.5 20.0
1998 01 17 02 47.94 +22 02.6 0.740 1.414 109.4 41.0 20.2
1998 01 22 02 46.64 +21 55.6 0.782 1.397 104.0 43.1 20.4
1998 01 27 02 46.87 +21 54.7 0.823 1.378 99.0 44.9 20.5
1998 02 01 02 48.40 +21 59.4 0.862 1.357 94.3 46.4 20.6
1998 02 06 02 51.04 +22 08.8 0.899 1.333 89.9 47.7 20.7
1998 02 11 02 54.63 +22 22.2 0.934 1.307 85.7 48.9 20.8
1998 02 16 02 59.04 +22 38.8 0.965 1.278 81.7 49.9 20.8
1998 02 21 03 04.17 +22 58.0 0.993 1.246 77.9 50.9 20.8
1998 02 26 03 09.93 +23 19.2 1.016 1.212 74.3 51.9 20.9
1998 03 03 03 16.25 +23 42.0 1.035 1.174 70.8 52.9 20.9
1998 03 08 03 23.06 +24 05.8 1.049 1.134 67.4 53.9 20.8
1998 03 13 03 30.27 +24 30.0 1.058 1.091 64.1 55.1 20.8
1998 03 18 03 37.82 +24 54.1 1.061 1.044 60.9 56.4 20.8
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-X05
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