MPEC 1998-M23: 1998 MY5
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M.P.E.C. 1998-M23 Issued 1998 June 26, 17:24 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 MY5
Observations:
J98M05Y* C1998 06 24.31893 13 45 40.83 -27 50 40.5 17.2 V 566
J98M05Y C1998 06 24.33960 13 45 35.76 -27 50 11.0 17.1 V 566
J98M05Y C1998 06 24.36065 13 45 30.57 -27 49 41.1 17.2 V 566
J98M05Y C1998 06 25.31766 13 41 46.93 -27 27 23.9 18.1 V 566
J98M05Y C1998 06 25.32826 13 41 44.28 -27 27 08.7 18.0 V 566
J98M05Y C1998 06 25.33868 13 41 41.78 -27 26 53.4 17.8 V 566
J98M05Y C1998 06 25.38786 13 41 31.77 -27 25 23.3 16.0 R 426
J98M05Y C1998 06 25.39278 13 41 30.58 -27 25 16.4 16.1 R 426
J98M05Y C1998 06 25.40524 13 41 27.54 -27 24 58.9 16.0 R 426
J98M05Y C1998 06 25.40987 13 41 26.42 -27 24 52.3 16.0 R 426
J98M05Y C1998 06 25.41601 13 41 24.91 -27 24 43.6 16.1 R 426
J98M05Y C1998 06 26.12904 13 38 38.49 -27 08 03.2 711
J98M05Y C1998 06 26.13505 13 38 37.22 -27 07 55.5 711
J98M05Y C1998 06 26.14110 13 38 35.24 -27 07 45.0 711
J98M05Y C1998 06 26.38192 13 37 40.62 -27 01 30.4 16.3 R 426
J98M05Y C1998 06 26.38623 13 37 39.61 -27 01 24.5 16.3 R 426
J98M05Y C1998 06 26.39102 13 37 38.42 -27 01 17.2 16.4 R 426
J98M05Y C1998 06 26.39655 13 37 37.08 -27 01 09.1 16.4 R 426
Observer details:
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
566 Haleakala-NEAT/GEODSS. Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
D. L. Rabinowitz for the NEAT team. 1.0-m f/2.2 GEODSS telescope + CCD.
711 McDonald Observatory. Observer P. J. Shelus. 0.76-m reflector + CCD.
Orbital elements:
1998 MY5
Epoch 1998 June 16.0 TT = JDT 2450980.5 Williams
M 330.47606 (2000.0) P Q
n 0.38424673 Peri. 26.89312 +0.99661589 +0.07132499
a 1.8738260 Node 328.93378 -0.08212797 +0.88475879
e 0.6265915 Incl. 4.54150 +0.00343023 +0.46055904
P 2.57 H 17.0 G 0.15
From 18 observations 1998 June 24-26.
Ephemeris:
1998 MY5 a,e,i = 1.87, 0.63, 5 q = 0.6997
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 06 26 13 39.15 -27 10.8 0.326 1.203 117.6 48.5 16.8
1998 06 27 13 35.29 -26 46.4 0.323 1.193 115.7 50.2 16.8
1998 06 28 13 31.45 -26 21.4 0.320 1.183 113.9 51.8 16.8
1998 06 29 13 27.64 -25 55.7 0.316 1.173 112.0 53.5 16.8
1998 06 30 13 23.86 -25 29.4 0.313 1.162 110.2 55.2 16.8
1998 07 01 13 20.09 -25 02.6 0.310 1.152 108.3 56.9 16.8
1998 07 02 13 16.35 -24 35.1 0.307 1.142 106.4 58.6 16.8
1998 07 03 13 12.62 -24 07.0 0.304 1.132 104.6 60.4 16.8
1998 07 04 13 08.91 -23 38.4 0.301 1.122 102.7 62.1 16.9
1998 07 05 13 05.21 -23 09.1 0.298 1.112 100.8 63.9 16.9
1998 07 06 13 01.52 -22 39.2 0.295 1.102 98.9 65.7 16.9
1998 07 07 12 57.83 -22 08.6 0.293 1.092 97.0 67.6 16.9
1998 07 08 12 54.13 -21 37.4 0.290 1.082 95.1 69.4 16.9
1998 07 09 12 50.43 -21 05.4 0.287 1.072 93.2 71.3 16.9
1998 07 10 12 46.72 -20 32.8 0.284 1.062 91.2 73.2 17.0
1998 07 11 12 42.99 -19 59.3 0.281 1.052 89.3 75.2 17.0
1998 07 12 12 39.23 -19 25.1 0.279 1.042 87.3 77.2 17.0
1998 07 13 12 35.44 -18 49.9 0.276 1.032 85.3 79.2 17.0
1998 07 14 12 31.61 -18 13.9 0.273 1.022 83.3 81.2 17.1
1998 07 15 12 27.74 -17 36.8 0.271 1.012 81.3 83.3 17.1
1998 07 16 12 23.82 -16 58.7 0.268 1.002 79.3 85.5 17.1
1998 07 17 12 19.83 -16 19.5 0.266 0.992 77.2 87.7 17.2
1998 07 18 12 15.78 -15 39.1 0.263 0.982 75.1 89.9 17.2
1998 07 19 12 11.66 -14 57.5 0.261 0.972 73.0 92.2 17.3
1998 07 20 12 07.46 -14 14.5 0.258 0.963 70.8 94.5 17.3
1998 07 21 12 03.16 -13 30.2 0.256 0.953 68.6 96.9 17.4
1998 07 22 11 58.77 -12 44.4 0.253 0.943 66.4 99.4 17.5
1998 07 23 11 54.27 -11 57.0 0.251 0.934 64.1 101.9 17.6
1998 07 24 11 49.66 -11 08.0 0.249 0.925 61.8 104.5 17.7
1998 07 25 11 44.94 -10 17.3 0.247 0.915 59.4 107.2 17.8
1998 07 26 11 40.08 -09 24.9 0.245 0.906 57.0 109.9 17.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-M23
Read MPEC 1998-M22
Read MPEC 1998-M24
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