MPEC 1998-D06: 1997 CV29
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M.P.E.C. 1998-D06 Issued 1998 Feb. 18, 23:39 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 CV29
Revision to MPEC 1997-N14
Observations:
J97C29V C1998 02 16.48182 09 26 12.45 +17 40 53.2 568
J97C29V C1998 02 16.54732 09 26 12.13 +17 40 54.8 568
J97C29V C1998 02 16.58885 09 26 11.90 +17 40 56.2 568
J97C29V C1998 02 17.50192 09 26 07.35 +17 41 18.4 568
J97C29V C1998 02 17.59559 09 26 06.86 +17 41 20.0 568
J97C29V C1998 02 18.49820 09 26 02.37 +17 41 43.1 568
J97C29V C1998 02 18.54722 09 26 02.12 +17 41 43.9 568
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 0.05- 0.02+ 980218 568 0.05- 0.02+ MPC 30244
Orbital elements:
1997 CV29
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Marsden
M 57.91104 (2000.0) P Q
n 0.00344813 Peri. 299.59698 +0.47930802 -0.86943565
a 43.3924013 Node 121.28291 +0.84589906 +0.42127405
e 0.1819833 Incl. 8.05642 +0.23392010 +0.25808879
P 286 H 7.0 G 0.15 U 5
Residuals in seconds of arc
970206 568 0.1+ 0.0 970209 568 0.1+ 0.0 980216 568 0.3+ 0.1+
970206 568 0.2- 0.2- 970209 568 0.5- 0.0 980216 568 0.0 0.5+
970206 568 0.5+ 0.2+ 970209 568 0.2+ 0.1+ 980217 568 0.1+ 0.0
970207 568 0.1+ 0.0 970407 950 0.0 0.1+ 980217 568 0.1- 0.7-
970207 568 0.1+ 0.1- 970407 950 0.1+ 0.0 980218 568 0.2- 0.2+
970209 568 0.4- 0.2- 980216 568 0.1+ 0.1+ 980218 568 0.2- 0.2-
Ephemeris:
1997 CV29 a,e,i = 43.39, 0.18, 8 q = 35.496
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 16 09 26.25 +17 40.7 39.429 40.405 170.9 0.2 23.1
1998 02 26 09 25.43 +17 44.7 39.473 40.409 160.8 0.5 23.1
1998 03 08 09 24.67 +17 48.3 39.547 40.414 150.6 0.7 23.1
1998 03 18 09 23.99 +17 51.4 39.646 40.419 140.5 0.9 23.2
1998 03 28 09 23.43 +17 53.9 39.769 40.424 130.4 1.1 23.2
1998 04 07 09 22.99 +17 55.7 39.912 40.428 120.5 1.2 23.2
1998 04 17 09 22.71 +17 56.8 40.069 40.433 110.6 1.3 23.2
1998 04 27 09 22.58 +17 57.1 40.237 40.438 100.8 1.4 23.2
1998 05 07 09 22.61 +17 56.6 40.410 40.443 91.1 1.4 23.3
1998 05 17 09 22.81 +17 55.4 40.584 40.447 81.5 1.4 23.3
1998 05 27 09 23.17 +17 53.4 40.753 40.452 72.0 1.4 23.3
1998 06 06 09 23.67 +17 50.8 40.914 40.457 62.6 1.3 23.3
1998 06 16 09 24.32 +17 47.6 41.062 40.462 53.2 1.2 23.3
1998 06 26 09 25.09 +17 43.9 41.193 40.466 43.9 1.0 23.3
1998 07 06 09 25.96 +17 39.7 41.304 40.471 34.6 0.8 23.3
The above orbital elements, a general solution, indicate that this
object is librating about the 4:7 mean-motion resonance with Neptune, the
minimum distance from Neptune within 7000 years of the present being 12 AU.
If so, this would be the fourth resonance, after 2:3, 3:5 and 3:4, to
contain at least one librator.
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-D06
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