MPEC 1998-D05: 1997 CQ29
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M.P.E.C. 1998-D05 Issued 1998 Feb. 18, 21:39 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 CQ29
Revision to MPEC 1997-J02
Observations:
J97C29Q C1998 02 16.50872 10 35 55.31 +10 08 27.1 568
J97C29Q C1998 02 16.56028 10 35 55.09 +10 08 28.2 568
J97C29Q C1998 02 16.61398 10 35 54.83 +10 08 30.4 568
J97C29Q C1998 02 17.58061 10 35 50.38 +10 08 57.0 568
J97C29Q C1998 02 17.61547 10 35 50.17 +10 08 57.9 568
J97C29Q C1998 02 18.51046 10 35 46.09 +10 09 23.5 568
J97C29Q C1998 02 18.55894 10 35 45.86 +10 09 24.7 568
Observer details:
568 Mauna Kea. Observer C. Veillet. 3.6-m Canada-France-Hawaii Telescope
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
980216 568 0.2- 1.5- 980218 568 0.5+ 2.1- MPC 29883
Orbital elements:
1997 CQ29
Eccentricity assumed
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Williams
M 348.86809 (2000.0) P Q
n 0.00333403 Peri. 36.68531 -0.98207811 -0.18474962
a 44.3768624 Node 132.62396 +0.15863517 -0.91708079
e 0.0743789 Incl. 2.90451 +0.10177165 -0.35331345
P 296 H 6.5 G 0.15
Residuals in seconds of arc
970204 568 0.4- 0.2+ 970304 696 0.2- 0.6- 970402 568 0.1- 0.3+
970204 568 0.4- 0.3+ 970304 696 0.1+ 0.0 980216 568 0.4- 0.3+
970204 568 0.4- 0.2+ 970304 696 0.6- 1.1+ 980216 568 0.0 0.1-
970207 568 0.3+ 0.0 970305 696 0.1- 0.9- 980216 568 0.2- 0.6+
970207 568 0.1+ 0.2+ 970307 696 0.2- 0.1- 980217 568 0.1+ 0.2-
970209 568 0.5+ 0.4- 970307 696 0.2+ 0.1+ 980217 568 0.5- 0.3-
970209 568 0.6+ 0.5- 970402 568 0.2+ 0.2+ 980218 568 0.5+ 0.1-
970209 568 0.0 0.4- 970402 568 0.4+ 0.4+ 980218 568 0.5+ 0.3-
Ephemeris:
1997 CQ29 a,e,i = 44.38, 0.07, 3 q = 41.076
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 16 10 35.96 +10 08.2 40.172 41.146 170.3 0.2 22.7
1998 02 26 10 35.18 +10 13.0 40.156 41.146 178.6 0.0 22.6
1998 03 08 10 34.40 +10 17.6 40.170 41.145 169.1 0.3 22.7
1998 03 18 10 33.66 +10 22.1 40.215 41.145 158.9 0.5 22.7
1998 03 28 10 32.96 +10 26.1 40.287 41.144 148.8 0.7 22.7
1998 04 07 10 32.36 +10 29.6 40.385 41.144 138.8 0.9 22.7
1998 04 17 10 31.86 +10 32.4 40.506 41.144 128.9 1.1 22.8
1998 04 27 10 31.48 +10 34.5 40.645 41.143 119.0 1.2 22.8
1998 05 07 10 31.24 +10 35.7 40.799 41.143 109.3 1.3 22.8
1998 05 17 10 31.15 +10 36.0 40.962 41.142 99.6 1.4 22.8
1998 05 27 10 31.20 +10 35.5 41.130 41.142 90.0 1.4 22.8
1998 06 06 10 31.41 +10 34.1 41.297 41.142 80.5 1.4 22.8
1998 06 16 10 31.76 +10 31.8 41.461 41.141 71.0 1.3 22.8
1998 06 26 10 32.25 +10 28.8 41.615 41.141 61.6 1.2 22.8
1998 07 06 10 32.87 +10 25.0 41.755 41.140 52.2 1.1 22.8
1998 07 16 10 33.61 +10 20.6 41.879 41.140 42.9 1.0 22.8
1998 07 26 10 34.44 +10 15.6 41.982 41.140 33.6 0.8 22.8
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-D05
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