MPEC 1998-D04: 1997 CR29
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M.P.E.C. 1998-D04 Issued 1998 Feb. 18, 19:44 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 CR29
Revision to MPEC 1997-M09
Observations:
J97C29R C1998 02 16.45976 09 18 45.48 +19 06 47.2 568
J97C29R C1998 02 16.52728 09 18 45.15 +19 06 49.0 568
J97C29R C1998 02 16.57516 09 18 44.93 +19 06 50.0 568
J97C29R C1998 02 18.48546 09 18 35.70 +19 07 38.2 568
J97C29R C1998 02 18.53478 09 18 35.42 +19 07 39.4 568
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 (or two decimals in degrees) and reference
980216 568 0.07+ 0.02- 980218 568 0.07+ 0.02- MPC 30244
Orbital elements:
1997 CR29
Eccentricity assumed
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Williams
M 5.13597 (2000.0) P Q
n 0.00328779 Peri. 3.62388 -0.65091387 -0.71260601
a 44.7919648 Node 127.19798 +0.68798604 -0.69947073
e 0.0720839 Incl. 19.18273 +0.32091486 +0.05416067
P 300 H 6.5 G 0.15
Residuals in seconds of arc
970203 568 0.0 0.2+ 970209 568 0.0 0.6- 980216 568 0.2- 0.3+
970203 568 0.3+ 0.0 970209 568 0.5- 0.9- 980216 568 0.2- 0.4+
970203 568 0.4+ 0.3+ 970209 568 0.2- 0.8- 980216 568 0.0 0.2+
970207 568 0.4- 0.1+ 970407 950 0.6+ 1.0+ 980218 568 0.4+ 0.6-
970207 568 0.4- 0.3- 970407 950 0.1+ 1.2+ 980218 568 0.1- 0.6-
Ephemeris:
1997 CR29 a,e,i = 44.79, 0.07, 19 q = 41.563
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 16 09 18.80 +19 06.6 40.611 41.579 168.6 0.3 22.7
1998 02 26 09 18.00 +19 10.7 40.657 41.580 158.5 0.5 22.7
1998 03 08 09 17.27 +19 14.4 40.731 41.580 148.4 0.7 22.8
1998 03 18 09 16.63 +19 17.6 40.831 41.580 138.3 0.9 22.8
1998 03 28 09 16.10 +19 20.1 40.954 41.580 128.3 1.1 22.8
1998 04 07 09 15.70 +19 22.0 41.096 41.580 118.4 1.2 22.8
1998 04 17 09 15.44 +19 23.1 41.251 41.581 108.5 1.3 22.9
1998 04 27 09 15.35 +19 23.5 41.416 41.581 98.8 1.4 22.9
1998 05 07 09 15.41 +19 23.1 41.585 41.581 89.1 1.4 22.9
1998 05 17 09 15.64 +19 22.1 41.754 41.581 79.5 1.4 22.9
1998 05 27 09 16.02 +19 20.3 41.917 41.582 70.0 1.3 22.9
1998 06 06 09 16.55 +19 18.0 42.071 41.582 60.6 1.2 22.9
1998 06 16 09 17.21 +19 15.1 42.211 41.582 51.2 1.1 22.9
1998 06 26 09 17.99 +19 11.7 42.334 41.582 41.9 0.9 22.9
1998 07 06 09 18.87 +19 08.0 42.436 41.583 32.6 0.8 22.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-D04
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