MPEC 1999-U13 : 1999 UR
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M.P.E.C. 1999-U13 Issued 1999 Oct. 19, 17:55 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 UR
Observations:
J99U00R* C1999 10 16.34986 03 51 05.24 -10 15 28.0 17.2 704
J99U00R C1999 10 16.36565 03 51 21.40 -10 15 00.6 17.6 704
J99U00R C1999 10 16.38142 03 51 37.54 -10 14 33.2 17.1 704
J99U00R C1999 10 16.39723 03 51 53.75 -10 14 05.5 17.2 704
J99U00R C1999 10 16.41339 03 52 10.34 -10 13 36.8 17.3 704
J99U00R C1999 10 17.08925 04 04 47.85 -09 52 02.3 118
J99U00R C1999 10 17.09223 04 04 51.23 -09 51 56.1 16.7 R 118
J99U00R C1999 10 17.09584 04 04 55.24 -09 51 48.2 118
J99U00R 1C1999 10 17.65058804 16 04.56 -09 27 33.6 17.2 R 413
J99U00R 1C1999 10 17.65191004 16 06.13 -09 27 30.2 17.3 R 413
J99U00R 1C1999 10 17.65322504 16 07.68 -09 27 27.1 17.2 R 413
J99U00R 1C1999 10 17.76771404 18 23.47 -09 22 41.4 17.2 R 413
J99U00R 1C1999 10 17.76903604 18 25.07 -09 22 37.9 17.3 R 413
J99U00R 1C1999 10 17.77035904 18 26.64 -09 22 34.5 17.2 R 413
J99U00R C1999 10 17.96567 04 22 42.23 -09 17 25.8 611
J99U00R C1999 10 17.96759 04 22 44.54 -09 17 22.3 611
J99U00R C1999 10 17.96852 04 22 45.95 -09 17 22.0 611
J99U00R C1999 10 17.96944 04 22 46.81 -09 17 15.7 611
J99U00R C1999 10 17.98714 04 23 08.01 -09 16 31.5 118
J99U00R C1999 10 17.98876 04 23 09.99 -09 16 27.7 118
J99U00R C1999 10 17.98941 04 23 10.84 -09 16 25.5 17.3 R 118
J99U00R C1999 10 18.00701 04 23 33.00 -09 15 39.6 16.9 R 046
J99U00R C1999 10 18.00847 04 23 34.77 -09 15 36.0 046
J99U00R C1999 10 18.00911 04 23 35.57 -09 15 34.8 046
J99U00R C1999 10 18.00978 04 23 36.40 -09 15 32.1 17.2 R 046
J99U00R C1999 10 18.12126 04 25 54.96 -09 10 35.4 557
J99U00R C1999 10 18.12174 04 25 55.54 -09 10 34.8 557
J99U00R C1999 10 18.12269 04 25 56.71 -09 10 33.8 557
J99U00R C1999 10 18.39408 04 31 55.54 -08 57 25.0 17.5 704
J99U00R C1999 10 18.40570 04 32 10.36 -08 56 51.4 17.7 704
J99U00R 1C1999 10 18.41602 04 32 25.87 -08 56 47.3 658
J99U00R 1C1999 10 18.41667 04 32 26.68 -08 56 45.3 658
J99U00R 1C1999 10 18.41738 04 32 27.61 -08 56 43.8 658
J99U00R C1999 10 18.41747 04 32 25.34 -08 56 17.3 17.1 704
J99U00R C1999 10 18.42008 04 32 30.81 -08 56 09.5 670
J99U00R C1999 10 18.42096 04 32 31.95 -08 56 07.6 670
J99U00R C1999 10 18.43635 04 32 51.58 -08 55 23.1 670
J99U00R C1999 10 18.43811 04 32 53.71 -08 55 17.4 670
J99U00R C1999 10 18.44075 04 32 55.01 -08 55 09.4 17.2 704
J99U00R C1999 10 18.98091 04 45 19.73 -08 27 48.0 16.8 R 046
J99U00R C1999 10 18.98152 04 45 20.56 -08 27 46.0 046
J99U00R C1999 10 18.98212 04 45 21.37 -08 27 44.1 16.7 R 046
J99U00R C1999 10 18.98280 04 45 22.31 -08 27 42.0 046
J99U00R C1999 10 19.50492 04 57 41.92 -07 57 26.5 670
J99U00R C1999 10 19.50584 04 57 43.24 -07 57 22.7 670
J99U00R C1999 10 19.52119 04 58 04.87 -07 56 26.8 670
J99U00R C1999 10 19.52214 04 58 06.21 -07 56 23.1 670
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
118 Modra. Observers A. Galad, J. Toth. 0.6-m f/5.5 reflector + CCD.
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
611 Starkenburg. Observers M. Busch, R. Stoss. 0.45-m f/4.4 reflector + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1999 UR
Epoch 1999 Oct. 9.0 TT = JDT 2451460.5 Williams
M 343.62430 (2000.0) P Q
n 0.37572768 Peri. 17.75335 +0.36439745 -0.92996858
a 1.9020441 Node 50.90485 +0.84660584 +0.30903553
e 0.5049874 Incl. 3.59861 +0.38790856 +0.19913685
P 2.62 H 22.1 G 0.15
From 47 observations 1999 Oct. 16-19.
Ephemeris:
1999 UR a,e,i = 1.90, 0.50, 4 q = 0.9415
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 10 19 04 45.68 -08 24.5 0.052 1.030 128.8 49.0 17.6
1999 10 20 05 09.99 -07 24.5 0.050 1.025 124.2 53.5 17.6
1999 10 21 05 35.93 -06 14.1 0.048 1.020 119.1 58.5 17.7
1999 10 22 06 02.97 -04 54.7 0.047 1.015 113.8 63.7 17.8
1999 10 23 06 30.42 -03 29.1 0.047 1.011 108.4 69.1 17.9
1999 10 24 06 57.53 -02 00.9 0.048 1.007 103.0 74.4 18.1
1999 10 25 07 23.61 -00 34.1 0.049 1.002 97.8 79.4 18.3
1999 10 26 07 48.11 +00 48.1 0.051 0.998 93.0 84.1 18.6
1999 10 27 08 10.69 +02 03.4 0.053 0.994 88.7 88.2 18.8
1999 10 28 08 31.21 +03 10.7 0.056 0.990 84.9 91.8 19.1
1999 10 29 08 49.69 +04 09.7 0.059 0.987 81.7 94.9 19.3
1999 10 30 09 06.22 +05 00.8 0.063 0.983 78.9 97.5 19.6
1999 10 31 09 20.97 +05 44.8 0.067 0.980 76.5 99.7 19.8
1999 11 01 09 34.14 +06 22.5 0.071 0.976 74.5 101.5 20.0
1999 11 02 09 45.91 +06 54.7 0.075 0.973 72.9 102.9 20.2
1999 11 03 09 56.45 +07 22.2 0.079 0.970 71.5 104.0 20.4
1999 11 04 10 05.93 +07 45.7 0.084 0.967 70.4 104.9 20.5
1999 11 05 10 14.49 +08 05.8 0.089 0.964 69.5 105.5 20.7
1999 11 06 10 22.25 +08 22.9 0.093 0.962 68.8 106.0 20.8
1999 11 07 10 29.32 +08 37.6 0.098 0.959 68.3 106.2 20.9
1999 11 08 10 35.78 +08 50.1 0.103 0.957 67.9 106.4 21.0
1999 11 13 11 01.42 +09 29.2 0.128 0.948 67.3 105.5 21.4
1999 11 18 11 19.91 +09 42.7 0.154 0.943 68.3 103.0 21.7
1999 11 23 11 34.39 +09 41.2 0.179 0.942 70.1 99.6 21.8
1999 11 28 11 46.45 +09 30.3 0.204 0.945 72.4 95.8 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-U13
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