MPEC 1998-X02: 1997 CX5
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M.P.E.C. 1998-X02 Issued 1998 Dec. 1, 15:15 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 CX5
Revision to MPEC 1997-C11
Observations:
J97C05X C1998 11 24.77630 00 41 34.84 +52 53 22.0 561
J97C05X C1998 11 24.77950 00 41 34.83 +52 53 18.8 19.0 561
J97C05X C1998 11 24.78262 00 41 34.82 +52 53 16.4 561
J97C05X C1998 12 01.09943 00 41 51.25 +51 03 26.6 19.3 R 709
J97C05X FC1998 12 01.10818 00 41 51.32 +51 03 15.2 19.0 R 709
J97C05X FC1998 12 01.11235 00 41 51.34 +51 03 11.0 18.9 R 709
Observer details:
561 Piszkesteto. Observers K. Sarneczky, L. Kiss. 0.60-m Schmidt + CCD.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
981124 561 0.16+ 0.17+ 981201 709 0.15+ 0.16+ MPC 29310 -0.35 day
Orbital elements:
1997 CX5
Epoch 1999 Jan. 22.0 TT = JDT 2451200.5 Marsden
M 335.08917 (2000.0) P Q
n 0.45047547 Peri. 162.22080 -0.43709742 -0.86629493
a 1.6853442 Node 312.90186 +0.77989973 -0.23113585
e 0.1204224 Incl. 19.27643 +0.44799805 -0.44284232
P 2.19 H 18.3 G 0.15 U 3
Residuals in seconds of arc
J9726 691 0.8- 0.1+ J972E 557 0.7+ 0.3- J973C 658 0.0 1.1-
J9726 691 0.7- 0.2+ J972E 557 0.6+ 0.9+ J973C 658 0.3- 0.0
J9726 691 0.9- 0.0 J972E 557 0.8+ 0.3+ J973C 658 0.1+ 0.8-
J9727 691 0.2- 0.4- J972E 557 0.7+ 0.3- J973E 691 0.7- 0.7-
J9727 691 0.4- 0.4- J972N 658 1.0+ 1.2+ J973E 691 0.9- 0.8-
J9729 691 0.1- 0.4- J972N 658 1.8+ 1.2+ J98BO 561 0.8- 0.3-
J9729 691 0.1- 0.4- J972N 658 1.2+ 1.0+ J98BO 561 0.3- 0.3-
J9729 691 0.3- 0.3- J9732 587 0.1+ 0.4+ J98BO 561 0.1+ 0.5+
J972D 691 0.4- 0.1- J9732 587 0.7+ 0.4+ J98C1 709 0.6+ 1.4+
J972D 691 0.4- 0.2- J9733 691 0.7- 0.2- J98C1 709 0.3+ 0.8-
J972D 691 0.5- 0.3- J9733 691 0.5- 0.8+ J98C1 709 0.0 0.5-
Ephemeris:
1997 CX5 a,e,i = 1.69, 0.12, 19 q = 1.4824
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 11 23 00 42.12 +53 22.9 0.743 1.577 130.8 28.3 19.9
1998 12 03 00 42.57 +50 29.4 0.759 1.563 126.8 30.3 20.0
1998 12 13 00 50.67 +47 30.5 0.784 1.550 122.0 32.6 20.1
1998 12 23 01 04.96 +44 40.2 0.818 1.537 116.8 34.8 20.2
1999 01 02 01 24.01 +42 06.3 0.860 1.526 111.5 36.8 20.4
1999 01 12 01 46.56 +39 50.5 0.909 1.516 106.4 38.5 20.5
1999 01 22 02 11.72 +37 50.9 0.963 1.506 101.4 39.8 20.7
1999 02 01 02 38.74 +36 04.7 1.022 1.499 96.6 40.8 20.8
1999 02 11 03 07.01 +34 27.4 1.085 1.492 92.0 41.4 21.0
1999 02 21 03 36.08 +32 54.9 1.152 1.488 87.7 41.6 21.1
1999 03 03 04 05.59 +31 23.5 1.221 1.484 83.6 41.6 21.2
1999 03 13 04 35.20 +29 50.0 1.293 1.483 79.7 41.3 21.3
1999 03 23 05 04.69 +28 11.8 1.367 1.483 75.9 40.7 21.4
1999 04 02 05 33.88 +26 27.2 1.441 1.484 72.3 39.9 21.5
1999 04 12 06 02.60 +24 34.9 1.517 1.487 68.9 39.0 21.6
1999 04 22 06 30.79 +22 34.4 1.592 1.492 65.7 37.9 21.7
1999 05 02 06 58.39 +20 25.3 1.667 1.498 62.5 36.6 21.8
1999 05 12 07 25.36 +18 07.7 1.742 1.506 59.5 35.3 21.8
1999 05 22 07 51.74 +15 42.1 1.815 1.515 56.6 33.9 21.9
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-X02
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