MPEC 1999-X18: 1999 XR35
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M.P.E.C. 1999-X18 Issued 1999 Dec. 9, 20:26 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 XR35
Observations:
J99X35R* C1999 12 07.15090 02 18 08.54 +11 10 28.3 19.2 704
J99X35R C1999 12 07.16583 02 18 07.14 +11 10 39.7 19.3 704
J99X35R C1999 12 07.18075 02 18 05.70 +11 10 51.0 19.9 704
J99X35R 0C1999 12 08.26756 02 16 25.82 +11 25 01.0 675
J99X35R 0C1999 12 08.27183 02 16 25.45 +11 25 04.5 675
J99X35R C1999 12 08.76620 02 15 41.57 +11 31 32.0 557
J99X35R C1999 12 08.77087 02 15 41.18 +11 31 36.7 557
J99X35R C1999 12 08.77631 02 15 40.71 +11 31 40.2 557
J99X35R C1999 12 08.78156 02 15 40.20 +11 31 44.9 557
J99X35R C1999 12 09.77309 02 14 13.35 +11 44 59.8 18.1 R 046
J99X35R C1999 12 09.77493 02 14 13.17 +11 45 01.2 046
J99X35R C1999 12 09.77709 02 14 13.08 +11 45 03.3 046
J99X35R C1999 12 09.77991 02 14 12.81 +11 45 04.8 046
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
675 Palomar Mountain. Observers M. Hicks, K. Lawrence, T. McConnochie. 1.5-m
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. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1999 XR35
Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams
M 326.18215 (2000.0) P Q
n 0.29348685 Peri. 81.98485 -0.75693585 -0.59243294
a 2.2425576 Node 61.24258 +0.40312267 -0.75549479
e 0.4830859 Incl. 18.33747 +0.51433475 -0.27973351
P 3.36 H 17.1 G 0.15
From 13 observations 1999 Dec. 7-9.
Ephemeris:
1999 XR35 a,e,i = 2.24, 0.48, 18 q = 1.1592
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 12 08 02 16.84 +11 21.6 0.771 1.653 140.3 22.4 18.7
1999 12 18 02 04.08 +13 42.5 0.783 1.590 128.0 29.2 18.9
1999 12 28 01 56.74 +16 21.4 0.806 1.528 117.0 35.0 19.0
2000 01 07 01 55.13 +19 15.4 0.835 1.468 107.4 39.7 19.1
2000 01 17 01 59.14 +22 22.8 0.865 1.410 99.2 43.5 19.2
2000 01 27 02 08.40 +25 41.8 0.893 1.356 92.3 46.5 19.3
2000 02 06 02 22.71 +29 09.5 0.916 1.305 86.6 49.0 19.3
2000 02 16 02 42.14 +32 42.6 0.933 1.260 82.0 50.9 19.3
2000 02 26 03 06.91 +36 14.9 0.944 1.222 78.4 52.5 19.3
2000 03 07 03 37.62 +39 37.0 0.949 1.192 75.7 53.8 19.3
2000 03 17 04 14.93 +42 35.6 0.950 1.171 74.0 54.8 19.3
2000 03 27 04 59.18 +44 51.7 0.948 1.161 73.2 55.4 19.3
2000 04 06 05 49.86 +46 02.5 0.948 1.160 73.1 55.6 19.3
2000 04 16 06 44.85 +45 46.5 0.950 1.171 73.6 55.3 19.3
2000 04 26 07 40.54 +43 51.7 0.961 1.191 74.5 54.5 19.4
2000 05 06 08 33.30 +40 22.5 0.982 1.221 75.6 53.2 19.4
2000 05 16 09 20.88 +35 38.7 1.016 1.258 76.7 51.4 19.5
2000 05 26 10 02.66 +30 07.7 1.066 1.303 77.6 49.4 19.7
2000 06 05 10 39.21 +24 16.1 1.133 1.353 77.9 47.2 19.8
2000 06 15 11 11.49 +18 25.1 1.215 1.408 77.7 44.8 20.0
2000 06 25 11 40.45 +12 49.1 1.312 1.465 76.8 42.5 20.2
2000 07 05 12 06.93 +07 35.7 1.422 1.526 75.4 40.2 20.4
2000 07 15 12 31.60 +02 48.3 1.544 1.587 73.4 37.9 20.6
2000 07 25 12 54.94 -01 32.8 1.674 1.650 70.9 35.6 20.8
2000 08 04 13 17.35 -05 28.8 1.812 1.714 68.0 33.3 21.0
2000 08 14 13 39.12 -09 01.4 1.955 1.777 64.7 31.0 21.1
2000 08 24 14 00.44 -12 12.5 2.101 1.840 61.1 28.8 21.3
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-X18
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