MPEC 1999-H11: 1999 GR6
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M.P.E.C. 1999-H11 Issued 1999 Apr. 21, 20:27 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 GR6
Observations:
J99G06R* C1999 04 10.12831 11 33 51.99 +38 05 45.2 19.0 704
J99G06R C1999 04 10.14743 11 33 40.47 +38 08 43.3 19.9 704
J99G06R C1999 04 10.18538 11 33 17.20 +38 14 34.1 19.7 704
J99G06R C1999 04 10.20442 11 33 05.43 +38 17 28.5 19.5 704
J99G06R C1999 04 11.22300 11 22 30.42 +40 51 48.2 19.4 704
J99G06R C1999 04 11.22491 11 22 28.98 +40 52 06.4 19.1 704
J99G06R C1999 04 11.22682 11 22 27.67 +40 52 24.6 18.8 704
J99G06R C1999 04 11.22873 11 22 26.49 +40 52 42.8 19.1 704
J99G06R C1999 04 12.12631 11 12 23.08 +43 06 04.6 704
J99G06R C1999 04 12.14336 11 12 10.89 +43 08 33.7 704
J99G06R C1999 04 18.26876 09 42 29.39 +55 42 21.5 19.2 704
J99G06R C1999 04 18.27595 09 42 22.00 +55 43 03.7 19.5 704
J99G06R C1999 04 18.29032 09 42 06.49 +55 44 17.7 19.4 704
J99G06R C1999 04 18.83795 09 32 26.29 +56 32 24.1 557
J99G06R C1999 04 18.83983 09 32 24.06 +56 32 31.5 557
J99G06R C1999 04 18.84076 09 32 23.12 +56 32 36.1 557
J99G06R C1999 04 18.84170 09 32 22.24 +56 32 41.9 19.5 V 557
Observer details:
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 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 GR6
Epoch 1999 Apr. 12.0 TT = JDT 2451280.5 Marsden
M 320.20284 (2000.0) P Q
n 0.68214934 Peri. 146.83357 +0.84242970 +0.53878288
a 1.2780556 Node 180.63416 -0.53750180 +0.84100170
e 0.7403297 Incl. 26.97865 +0.03747029 -0.04928641
P 1.44 H 19.9 G 0.15
From 15 observations 1999 Apr. 10-18.
Ephemeris:
1999 GR6 a,e,i = 1.28, 0.74, 27 q = 0.3319
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 04 12 11 13.83 +42 47.3 0.236 1.143 121.2 48.6 18.9
1999 04 13 11 01.84 +45 12.2 0.236 1.130 117.3 52.0 18.9
1999 04 14 10 48.89 +47 31.0 0.236 1.118 113.3 55.5 19.0
1999 04 15 10 34.94 +49 42.3 0.237 1.105 109.4 58.9 19.1
1999 04 16 10 20.00 +51 44.6 0.239 1.092 105.5 62.3 19.2
1999 04 17 10 04.07 +53 36.5 0.242 1.079 101.7 65.6 19.3
1999 04 18 09 47.22 +55 17.2 0.245 1.066 98.0 68.9 19.4
1999 04 19 09 29.55 +56 45.8 0.248 1.053 94.4 72.0 19.5
1999 04 20 09 11.20 +58 01.7 0.253 1.039 90.8 75.1 19.6
1999 04 21 08 52.35 +59 04.9 0.257 1.026 87.4 78.1 19.7
1999 04 22 08 33.22 +59 55.4 0.263 1.012 84.1 81.0 19.9
1999 04 23 08 14.04 +60 33.6 0.268 0.999 80.9 83.7 20.0
1999 04 24 07 55.04 +61 00.2 0.274 0.985 77.8 86.4 20.1
1999 04 25 07 36.44 +61 16.1 0.281 0.971 74.8 89.0 20.2
1999 04 26 07 18.42 +61 22.1 0.287 0.957 71.9 91.5 20.3
1999 04 27 07 01.14 +61 19.5 0.294 0.942 69.1 93.9 20.5
1999 04 28 06 44.70 +61 09.3 0.302 0.928 66.4 96.2 20.6
1999 04 29 06 29.17 +60 52.4 0.309 0.914 63.8 98.5 20.7
1999 04 30 06 14.57 +60 29.8 0.317 0.899 61.3 100.7 20.8
1999 05 01 06 00.89 +60 02.5 0.325 0.884 58.9 102.8 21.0
1999 05 02 05 48.12 +59 31.1 0.333 0.869 56.5 104.8 21.1
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-H11
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