MPEC 1996-A18 : 1991 VH
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M.P.E.C. 1996-A18 Issued 1996 Jan. 12, 14:23 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
1991 VH
Observations:
J91V00H C1996 01 04.75364 14 37 50.97 -07 06 33.4 413
J91V00H C1996 01 04.75581 14 37 51.31 -07 06 34.0 413
J91V00H VC1996 01 04.75802 14 37 51.82 -07 06 34.9 413
J91V00H C1996 01 10.74209 14 56 26.11 -07 36 52.5 413
J91V00H C1996 01 10.74458 14 56 26.49 -07 36 52.9 413
Observer details:
413 Siding Spring Observatory. Observers R. H. McNaught, G. J. Garradd.
Measurer R. H. McNaught. 1.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees)
960104 413 0.18- 0.04+ 960110 413 0.19- 0.05+ MPC 19682
Orbital elements:
1991 VH
Id. R. H. McNaught (1996 observations)
Epoch 1996 Apr. 27.0 TT = JDT 2450200.5 Williams
M 285.18812 (2000.0) P Q
n 0.81334235 Peri. 207.05088 +0.96387997 +0.21571098
a 1.1366335 Node 139.49357 -0.17929369 +0.95926442
e 0.1438703 Incl. 13.91656 -0.19694966 +0.18242955
P 1.21 H 17.0 G 0.15 U 4
Residuals in seconds of arc
911109 413 (5.3- 4.3-) 911125 413 0.0 0.3- 911221 413 0.2+ 0.2+
911109 413 0.6+ 1.7+ 911125 413 0.1+ 0.4- 911221 413 0.4+ 0.4+
911113 413 1.6- 0.8- 911126 413 0.4+ 0.4+ 911221 413 0.8+ 0.0
911113 413 (0.7+ 4.3-) 911126 413 0.3- 0.5+ 920114 413 0.3+ 0.3+
911114 413 0.0 1.3- 911126 413 0.6+ 0.6+ 920114 413 0.4+ 0.2+
911114 413 (2.3+ 2.8+) 911126 413 0.1+ 0.3+ 920115 413 0.5- 0.2-
911116 413 1.0+ 0.9+ 911127 413 0.3- 0.4+ 920115 413 0.4- 0.2-
911116 413 0.2- 0.4- 911127 413 0.4- 0.3+ 960104 413 0.5+ 0.1+
911117 413 0.2+ 0.2+ 911127 413 0.1- 0.2+ 960104 413 0.4- 0.2+
911117 413 0.0 0.2- 911127 413 0.8- 0.4+ 960104 413 1.2+ 0.1+
911118 413 0.3+ 1.3- 911220 413 0.3- 0.4- 960110 413 0.1+ 0.3+
911118 413 (1.6+ 1.7+) 911220 413 0.0 0.2- 960110 413 1.1- 0.6+
911125 413 0.2- 0.2+ 911220 413 0.1- 0.2-
911125 413 0.1- 0.0 911221 413 0.6+ 0.7-
Ephemeris:
1991 VH a,e,i = 1.14, 0.14, 14 q = 0.9731
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1996 01 08 14 47.89 -07 23.8 1.345 1.295 65.5 43.7 19.9
1996 01 18 15 19.25 -08 04.8 1.280 1.289 68.0 45.0 19.8
1996 01 28 15 51.21 -08 26.0 1.215 1.281 70.3 46.4 19.7
1996 02 07 16 23.76 -08 25.8 1.151 1.270 72.5 47.8 19.6
1996 02 17 16 56.90 -08 03.3 1.088 1.257 74.3 49.2 19.5
1996 02 27 17 30.56 -07 18.1 1.028 1.242 75.9 50.7 19.4
1996 03 08 18 04.75 -06 11.1 0.971 1.224 77.1 52.2 19.3
1996 03 18 18 39.49 -04 44.0 0.917 1.205 78.0 53.9 19.2
1996 03 28 19 14.83 -02 59.4 0.867 1.185 78.5 55.7 19.1
1996 04 07 19 50.92 -01 01.3 0.821 1.163 78.6 57.6 19.0
1996 04 17 20 27.99 +01 06.1 0.780 1.140 78.4 59.6 18.9
1996 04 27 21 06.24 +03 17.5 0.743 1.117 77.7 61.7 18.8
1996 05 07 21 46.00 +05 27.0 0.711 1.093 76.8 64.0 18.7
1996 05 17 22 27.50 +07 28.8 0.684 1.070 75.5 66.2 18.7
1996 05 27 23 10.83 +09 16.3 0.664 1.048 74.1 68.4 18.6
1996 06 06 23 55.90 +10 43.9 0.651 1.028 72.5 70.3 18.6
1996 06 16 00 42.38 +11 46.9 0.645 1.010 71.0 71.9 18.6
1996 06 26 01 29.55 +12 22.3 0.647 0.995 69.5 73.0 18.6
1996 07 06 02 16.64 +12 30.3 0.656 0.984 68.2 73.6 18.6
1996 07 16 03 02.85 +12 13.3 0.672 0.976 67.1 73.6 18.7
1996 07 26 03 47.46 +11 35.2 0.693 0.973 66.3 72.9 18.7
1996 08 05 04 30.06 +10 40.8 0.718 0.975 65.9 71.8 18.7
1996 08 15 05 10.47 +09 34.0 0.744 0.980 65.8 70.4 18.8
1996 08 25 05 48.62 +08 18.1 0.770 0.990 66.0 68.8 18.8
1996 09 04 06 24.64 +06 55.5 0.793 1.004 66.5 67.1 18.9
1996 09 14 06 58.69 +05 28.0 0.812 1.021 67.3 65.4 18.9
1996 09 24 07 30.90 +03 57.2 0.826 1.040 68.5 63.8 18.9
1996 10 04 08 01.45 +02 24.7 0.832 1.061 70.1 62.4 19.0
1996 10 14 08 30.51 +00 52.1 0.831 1.084 72.1 61.1 19.0
1996 10 24 08 58.16 -00 38.3 0.822 1.107 74.4 59.9 18.9
1996 11 03 09 24.55 -02 04.0 0.805 1.131 77.2 58.8 18.9
1996 11 13 09 49.73 -03 22.1 0.779 1.154 80.5 57.8 18.9
1996 11 23 10 13.68 -04 28.3 0.746 1.176 84.2 56.6 18.8
1996 12 03 10 36.44 -05 17.9 0.707 1.197 88.4 55.4 18.7
1996 12 13 10 57.85 -05 44.8 0.661 1.217 93.3 53.9 18.5
1996 12 23 11 17.68 -05 40.3 0.611 1.235 98.8 51.9 18.3
1997 01 02 11 35.63 -04 54.1 0.557 1.251 105.2 49.3 18.1
1997 01 12 11 51.08 -03 11.9 0.503 1.265 112.6 45.9 17.8
1997 01 22 12 03.25 -00 16.1 0.450 1.277 121.2 41.3 17.4
1997 02 01 12 11.13 +04 11.5 0.402 1.286 131.1 35.2 17.0
1997 02 11 12 13.40 +10 22.3 0.363 1.293 142.1 28.0 16.6
1997 02 21 12 08.97 +18 00.6 0.339 1.298 152.1 20.9 16.2
1997 03 03 11 57.75 +26 06.7 0.331 1.300 155.7 18.3 16.1
1997 03 13 11 41.39 +33 12.0 0.341 1.299 149.7 22.7 16.3
1997 03 23 11 24.03 +38 09.6 0.365 1.297 139.5 29.9 16.7
1997 04 02 11 10.07 +40 49.7 0.400 1.291 129.4 36.8 17.1
1997 04 12 11 02.28 +41 37.1 0.441 1.283 120.4 42.4 17.4
1997 04 22 11 01.32 +41 04.3 0.483 1.273 112.8 46.7 17.7
1997 05 02 11 06.25 +39 36.7 0.524 1.260 106.4 50.1 18.0
1997 05 12 11 15.83 +37 29.4 0.563 1.246 100.9 52.8 18.2
1997 05 22 11 28.96 +34 52.1 0.597 1.229 96.1 55.0 18.3
1997 06 01 11 44.63 +31 50.0 0.626 1.210 92.0 56.9 18.5
1997 06 11 12 02.27 +28 25.6 0.650 1.190 88.4 58.5 18.5
1997 06 21 12 21.44 +24 40.8 0.668 1.168 85.2 60.1 18.6
1997 07 01 12 41.85 +20 36.7 0.680 1.146 82.4 61.6 18.7
1997 07 11 13 03.44 +16 13.2 0.686 1.123 79.9 63.1 18.7
1997 07 21 13 26.18 +11 31.3 0.686 1.099 77.8 64.6 18.7
1997 07 31 13 50.11 +06 31.4 0.682 1.076 75.9 66.2 18.7
1997 08 10 14 15.48 +01 14.6 0.674 1.054 74.2 67.8 18.6
1997 08 20 14 42.52 -04 16.8 0.663 1.033 72.8 69.4 18.6
1997 08 30 15 11.57 -09 59.2 0.649 1.015 71.7 70.9 18.6
1997 09 09 15 43.19 -15 46.7 0.635 0.999 70.8 72.3 18.5
1997 09 19 16 17.94 -21 30.2 0.621 0.986 70.2 73.4 18.5
1997 09 29 16 56.53 -26 57.1 0.607 0.978 70.0 74.3 18.5
1997 10 09 17 39.72 -31 51.0 0.596 0.974 70.1 74.8 18.4
1997 10 19 18 27.86 -35 52.0 0.587 0.974 70.6 74.8 18.4
1997 10 29 19 20.64 -38 38.6 0.581 0.978 71.5 74.3 18.4
1997 11 08 20 16.71 -39 52.3 0.578 0.987 72.7 73.3 18.3
1997 11 18 21 13.52 -39 23.4 0.578 1.000 74.2 72.0 18.3
1997 11 28 22 08.30 -37 13.2 0.582 1.016 75.9 70.3 18.3
1997 12 08 22 59.17 -33 34.2 0.590 1.035 77.7 68.4 18.3
1997 12 18 23 45.35 -28 46.0 0.603 1.056 79.4 66.4 18.4
1997 12 28 00 27.09 -23 09.7 0.623 1.078 81.0 64.3 18.4
1998 01 07 01 05.24 -17 06.1 0.648 1.101 82.1 62.2 18.5
1998 01 17 01 40.66 -10 54.4 0.681 1.125 82.9 60.2 18.6
1998 01 27 02 14.19 -04 50.4 0.721 1.148 83.1 58.4 18.7
1998 02 06 02 46.58 +00 53.7 0.768 1.170 82.7 56.7 18.8
1998 02 16 03 18.34 +06 08.6 0.821 1.192 81.9 55.1 19.0
1998 02 26 03 49.88 +10 48.7 0.880 1.212 80.6 53.7 19.1
1998 03 08 04 21.51 +14 50.9 0.943 1.230 78.9 52.3 19.2
1998 03 18 04 53.34 +18 13.7 1.009 1.247 77.0 51.0 19.4
1998 03 28 05 25.42 +20 57.1 1.077 1.262 74.8 49.8 19.5
1998 04 07 05 57.76 +23 01.8 1.145 1.274 72.5 48.5 19.6
1998 04 17 06 30.20 +24 29.2 1.213 1.284 70.1 47.3 19.7
1998 04 27 07 02.62 +25 21.1 1.280 1.292 67.6 46.1 19.8
1998 05 07 07 34.87 +25 39.6 1.344 1.297 65.1 44.9 19.9
1998 05 17 08 06.75 +25 27.0 1.405 1.300 62.6 43.7 20.0
1998 05 27 08 38.17 +24 45.7 1.461 1.300 60.2 42.6 20.0
Gareth V. Williams (C) Copyright 1996 MPC M.P.E.C. 1996-A18
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