MPEC 1999-Y14 : 1999 YA
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M.P.E.C. 1999-Y14 Issued 1999 Dec. 20, 20:51 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 YA
Observations:
J99Y00A* C1999 12 16.29578 07 43 34.24 -04 34 57.9 18.8 704
J99Y00A C1999 12 16.31059 07 43 32.35 -04 34 06.2 19.5 704
J99Y00A C1999 12 16.32534 07 43 30.51 -04 33 13.7 18.9 704
J99Y00A C1999 12 16.34047 07 43 28.62 -04 32 20.6 18.9 704
J99Y00A C1999 12 18.28088 07 39 28.14 -02 35 50.8 18.6 704
J99Y00A C1999 12 18.31107 07 39 24.09 -02 33 59.2 18.8 704
J99Y00A C1999 12 18.32578 07 39 22.16 -02 33 05.8 19.2 704
J99Y00A C1999 12 18.34050 07 39 20.21 -02 32 10.3 19.0 704
J99Y00A C1999 12 18.35567 07 39 18.20 -02 31 14.6 651
J99Y00A C1999 12 18.35874 07 39 17.77 -02 31 03.6 651
J99Y00A C1999 12 18.36152 07 39 17.43 -02 30 52.9 19.5 V 651
J99Y00A C1999 12 19.34861 07 37 09.51 -01 29 43.5 18.3 704
J99Y00A C1999 12 19.36400 07 37 07.32 -01 28 46.5 19.3 704
J99Y00A C1999 12 19.37937 07 37 05.28 -01 27 48.2 18.9 704
J99Y00A C1999 12 19.39465 07 37 03.19 -01 26 50.3 18.6 704
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. Measurer
J. E. Rogers. 0.62-m f/5.1 reflector + 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, J. B. Evans. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1999 YA
Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams
M 40.50430 (2000.0) P Q
n 0.45698270 Peri. 265.11096 +0.77809837 -0.21545190
a 1.6693070 Node 106.31885 +0.37120117 +0.91548635
e 0.3388914 Incl. 37.93779 -0.50672736 +0.33980173
P 2.16 H 18.9 G 0.15
From 15 observations 1999 Dec. 16-19.
Ephemeris:
1999 YA a,e,i = 1.67, 0.34, 38 q = 1.1036
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 12 18 07 40.06 -02 52.9 0.498 1.406 140.9 26.2 19.3
1999 12 23 07 28.82 +02 25.6 0.489 1.430 150.5 19.8 19.1
1999 12 28 07 16.47 +08 02.4 0.489 1.454 160.4 13.1 18.9
2000 01 02 07 03.50 +13 40.6 0.499 1.478 169.9 6.7 18.7
2000 01 07 06 50.55 +19 02.2 0.520 1.502 174.4 3.7 18.7
2000 01 12 06 38.24 +23 53.1 0.550 1.526 167.6 7.9 19.1
2000 01 17 06 27.16 +28 05.5 0.590 1.549 159.3 13.0 19.5
2000 01 22 06 17.70 +31 38.1 0.637 1.573 151.4 17.4 19.8
2000 01 27 06 10.10 +34 33.6 0.690 1.597 144.2 21.1 20.1
2000 02 06 06 00.77 +38 53.3 0.813 1.643 131.7 26.6 20.7
2000 02 16 05 58.88 +41 45.1 0.949 1.688 121.3 30.0 21.2
2000 02 26 06 03.23 +43 39.6 1.094 1.732 112.4 31.9 21.6
2000 03 07 06 12.53 +44 55.4 1.243 1.774 104.5 32.8 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-Y14
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