MPEC 1999-J49: 1999 JR6
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M.P.E.C. 1999-J49 Issued 1999 May 15, 17:31 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 ISSN 1523-6714
1999 JR6
Observations:
J99J06R* C1999 05 10.29256 15 12 21.12 -14 55 51.6 19.0 704
J99J06R C1999 05 10.30481 15 12 18.79 -14 55 53.5 19.2 704
J99J06R C1999 05 10.31699 15 12 16.47 -14 55 55.5 19.0 704
J99J06R C1999 05 10.32917 15 12 14.30 -14 55 55.1 19.0 704
J99J06R C1999 05 12.61164 15 05 30.08 -15 00 36.8 18.9 R 426
J99J06R C1999 05 12.61528 15 05 29.40 -15 00 37.1 18.7 R 426
J99J06R C1999 05 12.61942 15 05 28.70 -15 00 37.9 19.0 R 426
J99J06R tC1999 05 14.28017 15 00 45.17 -15 03 59.2 684
J99J06R tC1999 05 14.28679 15 00 44.09 -15 04 00.0 684
J99J06R C1999 05 14.31514 15 00 39.06 -15 04 03.3 19.4 704
J99J06R C1999 05 14.33023 15 00 36.64 -15 04 04.7 19.5 704
J99J06R C1999 05 14.34528 15 00 33.94 -15 04 02.8 19.7 704
J99J06R C1999 05 14.36035 15 00 31.14 -15 04 06.9 19.3 704
J99J06R C1999 05 14.95794 14 58 52.26 -15 05 12.5 19.6 V 557
J99J06R WC1999 05 14.96029 14 58 51.82 -15 05 14.1 557
J99J06R WC1999 05 14.96262 14 58 51.44 -15 05 14.1 557
J99J06R C1999 05 15.52571 14 57 19.29 -15 05 58.8 19.2 R 426
J99J06R C1999 05 15.53281 14 57 18.18 -15 05 59.2 19.7 R 426
J99J06R C1999 05 15.53625 14 57 17.57 -15 05 59.7 19.3 R 426
Observer details:
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
684 Prescott. Observer P. G. Comba. 0.46-m f/4.5 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
Orbital elements:
1999 JR6
Epoch 1999 May 2.0 TT = JDT 2451300.5 Williams
M 80.74000 (2000.0) P Q
n 0.64519443 Peri. 27.59908 +0.17967138 -0.95251234
a 1.3264035 Node 53.09368 +0.83638292 +0.01635326
e 0.6370972 Incl. 17.90559 +0.51786273 +0.30406054
P 1.53 H 18.6 G 0.15
From 19 observations 1999 May 10-15.
Ephemeris:
1999 JR6 a,e,i = 1.33, 0.64, 18 q = 0.4814
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 15 07.28 -14 59.4 0.728 1.737 176.6 1.9 19.3
1999 05 17 14 53.38 -15 08.4 0.764 1.768 169.6 5.9 19.7
1999 05 22 14 41.13 -15 15.8 0.808 1.798 162.1 10.0 20.1
1999 05 27 14 30.69 -15 22.7 0.858 1.827 154.9 13.6 20.4
1999 06 01 14 22.07 -15 30.2 0.913 1.854 148.2 16.8 20.6
1999 06 06 14 15.22 -15 39.2 0.974 1.880 141.9 19.5 20.9
1999 06 11 14 09.99 -15 49.9 1.039 1.905 136.0 21.8 21.1
1999 06 16 14 06.26 -16 02.9 1.108 1.928 130.4 23.7 21.4
1999 06 21 14 03.88 -16 18.2 1.180 1.950 125.2 25.2 21.6
1999 06 26 14 02.68 -16 35.9 1.254 1.972 120.2 26.5 21.8
1999 07 01 14 02.53 -16 55.8 1.330 1.992 115.5 27.4 21.9
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-J49
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