MPEC 1998-D15: 1998 DV9
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M.P.E.C. 1998-D15 Issued 1998 Feb. 25, 16:58 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
1998 DV9
Observations:
J98D09V* C1998 02 23.30284 03 19 16.62 +18 15 24.8 18.3 R 568
J98D09V C1998 02 23.30525 03 19 17.14 +18 15 30.6 18.1 R 568
J98D09V C1998 02 23.76984 03 21 04.86 +18 34 36.3 557
J98D09V C1998 02 23.77197 03 21 05.36 +18 34 40.8 557
J98D09V C1998 02 23.77417 03 21 05.84 +18 34 46.7 557
J98D09V C1998 02 23.78657 03 21 08.61 +18 35 16.4 19.1 V 557
J98D09V C1998 02 24.22603 03 22 50.98 +18 53 43.3 18.0 R 568
J98D09V C1998 02 24.22845 03 22 51.53 +18 53 49.4 18.0 R 568
J98D09V C1998 02 25.30440 03 27 06.05 +19 38 43.3 18.8 R 568
J98D09V C1998 02 25.30663 03 27 06.61 +19 38 49.0 568
J98D09V C1998 02 25.30980 03 27 07.35 +19 38 56.8 18.8 R 568
J98D09V C1998 02 25.31204 03 27 07.88 +19 39 02.6 18.9 R 568
Observer details:
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
568 Mauna Kea. Observer D. J. Tholen. Measurers R. J. Whiteley, D. J. Tholen.
2.24-m reflector + CCD.
Orbital elements:
1998 DV9
Epoch 1998 Feb. 16.0 TT = JDT 2450860.5 Williams
M 356.58239 (2000.0) P Q
n 0.43512990 Peri. 0.47623 -0.66110446 -0.74183265
a 1.7247392 Node 130.91327 +0.68788865 -0.65907845
e 0.4279977 Incl. 8.55076 +0.29958320 -0.12369281
P 2.27 H 18.0 G 0.15
From 12 observations 1998 Feb. 23-25.
Ephemeris:
1998 DV9 a,e,i = 1.72, 0.43, 9 q = 0.9866
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 16 02 53.51 +13 23.6 0.430 0.991 77.8 77.1 18.8
1998 02 21 03 10.72 +16 41.2 0.414 0.987 77.7 78.2 18.8
1998 02 26 03 29.92 +20 08.0 0.399 0.987 77.9 78.8 18.7
1998 03 03 03 51.52 +23 41.2 0.385 0.990 78.6 79.0 18.7
1998 03 08 04 15.92 +27 16.1 0.373 0.996 79.7 78.7 18.6
1998 03 13 04 43.55 +30 45.7 0.363 1.005 81.3 77.7 18.5
1998 03 18 05 14.73 +34 00.0 0.356 1.018 83.4 76.3 18.5
1998 03 23 05 49.53 +36 46.6 0.353 1.033 85.8 74.3 18.4
1998 03 28 06 27.52 +38 52.8 0.354 1.050 88.5 71.8 18.4
1998 04 02 07 07.59 +40 08.1 0.359 1.070 91.3 69.1 18.3
1998 04 07 07 48.08 +40 27.3 0.369 1.092 94.2 66.1 18.4
1998 04 12 08 27.19 +39 52.4 0.383 1.115 96.9 63.1 18.4
1998 04 17 09 03.48 +38 31.4 0.402 1.140 99.4 60.2 18.5
1998 04 22 09 36.19 +36 35.5 0.424 1.167 101.6 57.5 18.6
1998 04 27 10 05.15 +34 16.0 0.451 1.195 103.4 55.0 18.7
1998 05 02 10 30.63 +31 42.8 0.482 1.223 104.8 52.8 18.8
1998 05 07 10 53.05 +29 03.4 0.517 1.253 105.8 50.8 18.9
1998 05 12 11 12.88 +26 23.2 0.555 1.283 106.4 49.1 19.1
1998 05 17 11 30.57 +23 45.5 0.596 1.313 106.7 47.5 19.3
1998 05 22 11 46.53 +21 12.3 0.641 1.344 106.6 46.2 19.4
1998 05 27 12 01.10 +18 44.8 0.688 1.375 106.2 45.1 19.6
1998 06 01 12 14.57 +16 23.4 0.738 1.406 105.6 44.0 19.8
1998 06 06 12 27.15 +14 08.4 0.791 1.437 104.8 43.1 19.9
1998 06 11 12 39.01 +11 59.8 0.846 1.467 103.7 42.2 20.1
1998 06 16 12 50.28 +09 57.4 0.903 1.498 102.5 41.4 20.3
1998 06 21 13 01.09 +08 00.8 0.963 1.529 101.1 40.7 20.4
1998 06 26 13 11.54 +06 09.8 1.025 1.559 99.6 40.0 20.6
1998 07 01 13 21.70 +04 24.1 1.089 1.589 98.0 39.3 20.8
1998 07 06 13 31.64 +02 43.3 1.154 1.619 96.3 38.6 20.9
1998 07 11 13 41.39 +01 07.3 1.221 1.648 94.5 37.9 21.0
1998 07 16 13 51.00 -00 24.2 1.290 1.677 92.6 37.3 21.2
1998 07 21 14 00.50 -01 51.5 1.360 1.706 90.6 36.6 21.3
1998 07 26 14 09.93 -03 14.8 1.431 1.734 88.6 35.8 21.4
1998 07 31 14 19.32 -04 34.3 1.503 1.762 86.5 35.1 21.6
1998 08 05 14 28.67 -05 50.0 1.576 1.789 84.4 34.4 21.7
1998 08 10 14 38.01 -07 02.2 1.650 1.815 82.2 33.6 21.8
1998 08 15 14 47.34 -08 11.0 1.724 1.842 80.0 32.8 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-D15
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