MPEC 1998-M09 : 1998 MZ
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M.P.E.C. 1998-M09 Issued 1998 June 20, 22:13 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 MZ
Observations:
J98M00Z* C1998 06 18.38440 20 53 10.92 -17 04 49.7 17.3 V 691
J98M00Z C1998 06 18.43957 20 52 38.25 -17 07 02.6 16.9 V 691
J98M00Z C1998 06 18.46177 20 52 25.20 -17 07 54.8 17.2 V 691
J98M00Z C1998 06 19.37141 20 43 56.41 -17 42 38.1 734
J98M00Z C1998 06 19.37947 20 43 51.94 -17 42 54.4 734
J98M00Z C1998 06 19.38713 20 43 47.50 -17 43 11.7 734
J98M00Z C1998 06 19.42311 20 43 27.82 -17 44 26.7 16.6 R 696
J98M00Z C1998 06 19.42567 20 43 26.36 -17 44 32.4 16.7 R 696
J98M00Z C1998 06 19.42655 20 43 25.88 -17 44 34.3 16.7 R 696
J98M00Z C1998 06 19.45192 20 43 11.40 -17 45 29.5 17.2 V 691
J98M00Z C1998 06 19.45586 20 43 09.16 -17 45 38.0 17.2 V 691
J98M00Z C1998 06 19.45980 20 43 06.98 -17 45 46.3 17.1 V 691
J98M00Z C1998 06 19.95079 20 38 43.54 -18 03 10.8 17.5 V 104
J98M00Z C1998 06 19.95231 20 38 42.73 -18 03 14.3 104
J98M00Z C1998 06 19.95417 20 38 41.86 -18 03 17.6 104
J98M00Z C1998 06 19.95579 20 38 40.97 -18 03 21.8 104
J98M00Z C1998 06 19.96266 20 38 37.11 -18 03 37.4 16.9 R 587
J98M00Z C1998 06 19.96410 20 38 36.34 -18 03 40.2 587
J98M00Z C1998 06 19.96698 20 38 34.77 -18 03 46.5 587
J98M00Z C1998 06 20.00937 20 38 11.46 -18 05 17.4 16.5 R 611
J98M00Z C1998 06 20.01215 20 38 09.97 -18 05 23.6 16.3 R 611
J98M00Z C1998 06 20.01632 20 38 07.66 -18 05 31.4 17.0 R 611
J98M00Z C1998 06 20.03519 20 37 57.56 -18 06 07.6 17.3 R 620
J98M00Z C1998 06 20.04213 20 37 53.79 -18 06 22.0 620
J98M00Z C1998 06 20.05023 20 37 49.40 -18 06 38.2 620
J98M00Z C1998 06 20.05590 20 37 46.27 -18 06 51.3 620
J98M00Z C1998 06 20.36435 20 35 03.04 -18 17 09.8 17.2 V 691
J98M00Z C1998 06 20.37014 20 34 59.88 -18 17 21.5 17.3 V 691
J98M00Z C1998 06 20.37408 20 34 57.74 -18 17 29.3 17.1 V 691
J98M00Z C1998 06 20.45846 20 34 14.36 -18 20 08.2 17.9 V 566
J98M00Z C1998 06 20.46945 20 34 08.37 -18 20 30.5 18.2 V 566
J98M00Z C1998 06 20.48046 20 34 02.38 -18 20 53.4 18.8 V 566
J98M00Z C1998 06 20.64104 20 32 38.88 -18 26 15.1 17.6 V 402
J98M00Z C1998 06 20.64208 20 32 38.27 -18 26 17.2 402
J98M00Z C1998 06 20.64313 20 32 37.77 -18 26 19.0 402
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini. Measurers
A. Boattini, G. Forti, L. Tesi. 0.40-m f/5 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ 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.
587 Sormano. Observers F. Manca, P. Sicoli. 0.5-m reflector + CCD.
611 Starkenburg. Observers M. Busch, A. Seib, R. Stoss. 0.45-m f/4.4
reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m Spacewatch
telescope.
696 Whipple Observatory, Mt. Hopkins. Observer C. W. Hergenrother. 1.2-m
reflector + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.45-m reflector + CCD.
Orbital elements:
1998 MZ PHA 0.001
Epoch 1998 June 16.0 TT = JDT 2450980.5 Williams
M 43.55351 (2000.0) P Q
n 0.65493071 Peri. 40.96861 -0.94946360 -0.31387146
a 1.3132250 Node 120.73859 +0.28739957 -0.87177731
e 0.5525370 Incl. 0.12611 +0.12617590 -0.37615027
P 1.50 H 19.5 G 0.15
From 35 observations 1998 June 18-20.
Ephemeris:
1998 MZ a,e,i = 1.31, 0.55, 0 q = 0.5876
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 06 16 21 17.00 -15 18.3 0.149 1.113 127.7 46.2 17.3
1998 06 21 20 29.54 -18 37.0 0.171 1.159 144.3 30.7 17.3
1998 06 26 19 51.67 -20 39.6 0.200 1.205 158.3 18.2 17.4
1998 07 01 19 22.52 -21 51.2 0.235 1.249 169.9 8.2 17.4
1998 07 06 19 00.56 -22 32.1 0.275 1.292 179.7 0.2 17.3
1998 07 11 18 44.28 -22 55.1 0.319 1.333 171.6 6.4 18.1
1998 07 16 18 32.43 -23 08.1 0.367 1.373 164.1 11.7 18.7
1998 07 21 18 24.04 -23 15.4 0.419 1.412 157.4 16.0 19.2
1998 07 26 18 18.44 -23 19.5 0.474 1.450 151.4 19.6 19.7
1998 07 31 18 15.10 -23 21.9 0.532 1.486 145.8 22.6 20.1
1998 08 05 18 13.60 -23 23.2 0.593 1.521 140.7 25.0 20.4
1998 08 10 18 13.60 -23 23.9 0.657 1.555 135.9 27.0 20.8
1998 08 15 18 14.84 -23 24.1 0.723 1.587 131.4 28.6 21.1
1998 08 20 18 17.12 -23 23.7 0.792 1.618 127.1 29.9 21.3
1998 08 25 18 20.29 -23 22.7 0.862 1.648 123.0 31.0 21.6
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-M09
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- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)
