MPEC 1999-J54 : 1999 JS6
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M.P.E.C. 1999-J54 Issued 1999 May 15, 21:32 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 JS6
Observations:
J99J06S* C1999 05 12.22961 14 31 01.60 -04 57 43.6 18.3 704
J99J06S C1999 05 12.24258 14 30 59.71 -04 55 58.9 18.5 704
J99J06S C1999 05 12.25554 14 30 58.01 -04 54 15.5 19.0 704
J99J06S C1999 05 12.26853 14 30 56.09 -04 52 31.0 19.0 704
J99J06S C1999 05 13.22131 14 28 50.38 -02 46 43.5 18.7 704
J99J06S C1999 05 13.23640 14 28 48.28 -02 44 45.4 19.0 704
J99J06S C1999 05 13.25155 14 28 46.07 -02 42 44.5 18.4 704
J99J06S C1999 05 13.26665 14 28 44.04 -02 40 44.7 18.7 704
J99J06S C1999 05 13.28178 14 28 42.01 -02 38 47.8 19.0 704
J99J06S C1999 05 13.29769 14 28 39.75 -02 36 40.7 18.3 704
J99J06S C1999 05 13.31278 14 28 37.66 -02 34 42.6 19.0 704
J99J06S C1999 05 13.32773 14 28 35.62 -02 32 44.6 19.2 704
J99J06S C1999 05 13.34286 14 28 33.41 -02 30 46.4 19.4 704
J99J06S C1999 05 14.22372 14 26 40.62 -00 36 08.2 18.9 704
J99J06S C1999 05 14.23887 14 26 38.55 -00 34 11.2 18.8 704
J99J06S C1999 05 14.25392 14 26 36.46 -00 32 14.2 19.1 704
J99J06S C1999 05 14.26905 14 26 34.46 -00 30 16.2 18.8 704
J99J06S C1999 05 14.28468 14 26 32.32 -00 28 18.1 19.7 704
J99J06S C1999 05 14.29971 14 26 30.37 -00 26 19.0 18.4 704
J99J06S C1999 05 14.31481 14 26 28.25 -00 24 20.9 19.4 704
J99J06S C1999 05 14.34494 14 26 24.34 -00 20 29.3 19.5 704
J99J06S C1999 05 14.36001 14 26 22.31 -00 18 32.7 19.2 704
J99J06S C1999 05 14.37511 14 26 20.23 -00 16 34.9 19.0 704
J99J06S C1999 05 14.39708 14 26 17.34 -00 13 47.0 19.0 704
J99J06S C1999 05 14.41264 14 26 15.32 -00 11 44.4 19.3 704
J99J06S C1999 05 14.42801 14 26 13.19 -00 09 46.3 19.8 704
J99J06S C1999 05 14.90445 14 25 14.35 +00 51 11.0 557
J99J06S C1999 05 14.90533 14 25 14.26 +00 51 16.5 557
J99J06S C1999 05 15.22410 14 24 34.58 +01 31 49.1 18.7 704
J99J06S C1999 05 15.23922 14 24 32.43 +01 33 47.2 19.3 704
J99J06S C1999 05 15.25434 14 24 30.70 +01 35 40.7 18.9 704
J99J06S C1999 05 15.26957 14 24 28.68 +01 37 36.0 19.5 704
J99J06S C1999 05 15.28475 14 24 26.66 +01 39 31.7 18.7 704
J99J06S C1999 05 15.29989 14 24 24.67 +01 41 25.0 18.0 704
J99J06S C1999 05 15.33004 14 24 20.69 +01 45 12.3 18.8 704
J99J06S C1999 05 15.34510 14 24 18.67 +01 47 08.0 18.7 704
J99J06S C1999 05 15.36040 14 24 16.72 +01 49 04.6 18.3 704
J99J06S C1999 05 15.50740 14 23 59.85 +02 07 58.8 18.0 R 426
J99J06S C1999 05 15.51243 14 23 59.16 +02 08 37.7 17.8 R 426
J99J06S C1999 05 15.51975 14 23 58.22 +02 09 32.6 17.7 R 426
Observer details:
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer L. Sarounova. 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 JS6
Epoch 1999 May 2.0 TT = JDT 2451300.5 Williams
M 330.72496 (2000.0) P Q
n 0.40830077 Peri. 47.14671 -0.18738819 +0.78301931
a 1.7994892 Node 225.45440 -0.94901076 +0.01151010
e 0.2748552 Incl. 56.32487 +0.25350392 +0.62189088
P 2.41 H 18.6 G 0.15
From 40 observations 1999 May 12-15.
Ephemeris:
1999 JS6 a,e,i = 1.80, 0.27, 56 q = 1.3049
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 05 12 14 31.54 -05 28.1 0.391 1.389 163.8 11.7 18.0
1999 05 17 14 20.99 +05 12.0 0.406 1.377 149.8 21.7 18.4
1999 05 22 14 12.01 +14 28.8 0.437 1.366 137.3 30.2 18.8
1999 05 27 14 04.74 +22 01.3 0.480 1.355 126.6 36.9 19.2
1999 06 01 13 59.20 +27 55.6 0.530 1.345 117.7 41.9 19.5
1999 06 06 13 55.32 +32 28.7 0.586 1.336 110.3 45.4 19.8
1999 06 11 13 52.96 +35 58.5 0.644 1.328 104.1 47.8 20.1
1999 06 21 13 52.37 +40 45.8 0.762 1.316 94.4 50.3 20.5
1999 07 01 13 56.39 +43 41.4 0.875 1.308 87.2 50.9 20.8
1999 07 11 14 04.15 +45 30.7 0.977 1.305 81.8 50.4 21.0
1999 07 21 14 15.17 +46 38.4 1.065 1.307 77.7 49.5 21.2
1999 07 31 14 29.15 +47 18.7 1.138 1.313 74.9 48.3 21.3
1999 08 10 14 46.00 +47 38.9 1.194 1.324 73.1 47.1 21.4
1999 08 20 15 05.85 +47 43.1 1.235 1.339 72.4 46.1 21.4
1999 08 30 15 28.86 +47 32.8 1.259 1.358 72.6 45.2 21.5
1999 09 09 15 55.23 +47 07.2 1.271 1.381 73.6 44.4 21.5
1999 09 19 16 25.23 +46 23.6 1.273 1.407 75.3 43.7 21.5
1999 09 29 16 58.83 +45 18.0 1.268 1.436 77.5 42.9 21.6
1999 10 09 17 35.80 +43 45.0 1.262 1.467 79.9 42.1 21.6
1999 10 19 18 15.47 +41 40.4 1.261 1.499 82.4 41.2 21.6
1999 10 29 18 56.72 +39 03.0 1.270 1.534 84.4 40.1 21.6
1999 11 08 19 38.21 +35 57.0 1.294 1.569 85.6 39.0 21.7
1999 11 18 20 18.65 +32 33.3 1.339 1.605 85.8 37.9 21.8
1999 11 28 20 57.04 +29 06.2 1.405 1.642 84.8 36.8 21.9
1999 12 08 21 32.83 +25 49.7 1.493 1.678 82.5 35.6 22.1
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-J54
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