MPEC 1997-Y04: 1996 DH
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 1997-Y03
Read MPEC 1997-Y05
M.P.E.C. 1997-Y04 Issued 1997 Dec. 18, 19:32 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
1996 DH
Revision to MPEC 1996-D01
Observations:
J96D00H C1997 12 05.52458 10 20 09.97 +12 46 29.5 658
J96D00H C1997 12 05.53449 10 20 10.33 +12 46 23.4 658
J96D00H C1997 12 09.57163 10 22 14.78 +12 09 54.1 658
J96D00H C1997 12 09.58031 10 22 14.95 +12 09 49.3 658
Observer details:
658 Dominion Astrophysical Observatory. Observers D. D. Balam, G. C. L. Aikman.
1.82-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
971205 658 32.7+ 25.0- 971209 658 33.2+ 27.0- MPC 27731 -0.020 day
Orbital elements:
1996 DH
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Williams
M 190.75112 (2000.0) P Q
n 0.49290290 Peri. 351.33273 +0.51633742 +0.82522960
a 1.5871883 Node 309.40514 -0.76689260 +0.32660322
e 0.2766985 Incl. 17.23150 -0.38114486 +0.46078894
P 2.00 H 17.0 G 0.15 U 3
Residuals in seconds of arc
960218 691 0.2- 0.2- 960227 413 1.0+ 0.0 960328 413 0.5+ 0.3+
960218 691 0.2- 0.3- 960227 118 1.5+ 0.2- 960328 413 0.4+ 0.3+
960218 691 0.2+ 0.1+ 960227 118 1.1+ 0.1- 960328 413 0.4+ 0.3+
960218 691 0.4- 0.1+ 960229 118 0.9+ 0.8- 960328 413 0.4+ 0.3+
960218 691 0.5- 0.0 960229 118 0.2- 0.1- 960406 557 0.3- 0.1-
960218 691 0.5- 0.1- 960229 608 0.3+ 0.0 960406 557 0.1- 0.1-
960219 691 0.8- 0.3- 960229 608 1.7+ 0.8+ 960407 557 0.0 0.5-
960219 691 1.0- 0.1- 960229 413 0.2+ 0.3+ 960407 557 0.0 0.3+
960219 691 0.8- 0.0 960229 413 0.6+ 0.1+ 960418 557 0.2- 0.0
960221 691 (2.6+ 0.0 ) 960311 691 1.0- 0.2+ 960418 557 1.7+ 0.2-
960221 691 0.4- 0.5+ 960311 691 0.9- 0.1+ 960420 691 0.7- 0.1+
960221 691 0.6- 0.2- 960311 691 0.9- 0.2+ 960420 691 0.8- 0.4+
960222 360 0.5+ 0.4- 960314 658 0.2+ 0.1+ 960420 691 0.6- 0.2+
960222 360 0.5+ 0.5- 960314 658 0.4+ 0.1+ 960425 711 1.0+ 0.3-
960222 360 0.0 0.2- 960314 658 0.2+ 0.1+ 960425 711 0.9+ 1.0-
960223 120 1.9- 0.1- 960318 691 0.8- 0.1+ 960523 691 1.4- 0.5+
960223 120 0.9- 0.7- 960318 691 0.5- 0.1- 960523 691 0.7- 0.6-
960223 120 1.1+ 1.2- 960318 691 0.6- 0.0 960523 691 0.3- 0.6-
960224 658 0.4+ 0.0 960323 658 0.2+ 0.5+ 960528 413 0.6+ 0.3-
960224 658 0.5- 0.4+ 960323 658 0.2- 0.5+ 960528 413 0.2+ 0.4+
960224 658 0.9- 0.5- 960323 658 0.0 0.3+ 960609 413 0.2- 0.5-
960224 557 0.5+ 0.0 960325 658 0.3- 0.2+ 960609 413 0.1- 0.4-
960224 557 0.3+ 0.0 960325 658 0.4- 0.4+ 960609 413 0.9+ 0.3-
960226 658 0.1+ 0.2+ 960325 658 0.2- 0.5+ 971205 658 0.2+ 0.7+
960226 658 0.0 0.1+ 960325 658 0.3- 0.7+ 971205 658 0.7+ 0.0
960226 658 0.4- 0.3- 960326 413 0.4+ 0.2+ 971209 658 0.0 0.2-
960226 046 0.1+ 0.6- 960326 413 0.3+ 0.3+ 971209 658 0.7- 0.3-
960226 046 0.7+ 0.8+ 960326 413 0.2+ 0.2+
960226 046 0.8+ 0.1+ 960326 413 0.5+ 0.2+
Ephemeris:
1996 DH a,e,i = 1.59, 0.28, 17 q = 1.1480
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 12 18 10 24.95 +10 57.0 1.434 2.022 112.1 26.8 20.5
1997 12 28 10 24.89 +09 37.2 1.316 2.016 121.9 24.5 20.3
1998 01 07 10 20.72 +08 26.4 1.209 2.009 132.6 21.1 20.0
1998 01 17 10 12.07 +07 26.1 1.117 2.000 144.3 16.7 19.6
1998 01 27 09 58.96 +06 37.6 1.045 1.988 156.8 11.3 19.3
1998 02 06 09 42.29 +06 01.4 0.999 1.975 168.6 5.7 18.9
1998 02 16 09 23.93 +05 36.2 0.981 1.960 169.3 5.4 18.9
1998 02 26 09 06.30 +05 19.9 0.991 1.943 157.5 11.2 19.1
1998 03 08 08 51.66 +05 08.8 1.026 1.924 144.8 17.3 19.4
1998 03 18 08 41.43 +04 58.9 1.081 1.903 132.8 22.6 19.6
1998 03 28 08 36.03 +04 46.7 1.150 1.880 122.0 26.8 19.9
1998 04 07 08 35.27 +04 29.3 1.227 1.855 112.3 29.9 20.1
1998 04 17 08 38.58 +04 04.4 1.309 1.829 103.7 32.2 20.3
1998 04 27 08 45.33 +03 30.5 1.391 1.800 96.0 33.8 20.4
1998 05 07 08 54.97 +02 46.3 1.470 1.770 89.1 34.7 20.5
1998 05 17 09 06.98 +01 51.0 1.545 1.739 82.9 35.2 20.6
1998 05 27 09 21.00 +00 44.3 1.614 1.706 77.3 35.4 20.7
1998 06 06 09 36.75 -00 34.2 1.676 1.671 72.1 35.3 20.7
1998 06 16 09 54.01 -02 04.4 1.730 1.635 67.4 35.0 20.7
1998 06 26 10 12.67 -03 45.9 1.776 1.598 63.1 34.6 20.7
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-Y04
Read MPEC 1997-Y03
Read MPEC 1997-Y05
Our Web policy. Index to the CBAT/MPC/ICQ pages.
