MPEC 2000-P01: 1999 TL12
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Read MPEC 2000-O41
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M.P.E.C. 2000-P01 Issued 2000 Aug. 1, 03:09 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 TL12
Revision to MPEC 1999-T54
Observations:
J99T12L 5C2000 07 07.35633 00 08 58.40 +40 21 20.6 695
J99T12L 5C2000 07 07.35856 00 08 58.27 +40 21 21.7 695
J99T12L 5C2000 07 07.36112 00 08 58.19 +40 21 22.5 695
J99T12L C2000 07 25.92016 23 50 56.18 +41 05 52.2 557
J99T12L C2000 07 25.92249 23 50 56.06 +41 05 51.9 557
J99T12L C2000 07 25.92716 23 50 55.53 +41 05 50.9 557
J99T12L C2000 07 25.92949 23 50 55.38 +41 05 50.4 19.7 V 557
J99T12L C2000 08 01.05301 23 40 21.68 +40 41 58.0 19.6 R 540
J99T12L C2000 08 01.05741 23 40 21.04 +40 41 55.2 540
J99T12L C2000 08 01.06192 23 40 20.47 +40 41 54.2 540
Observer details:
540 Linz. Observers E. Meyer, E. Obermair, H. Raab. 0.6-m f/3.0 reflector
+ CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
695 Kitt Peak. Observers C. W. Hegenrother, S. M. Larson. 2.3-m reflector
+ CCD.
Orbital elements:
1999 TL12
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 129.15687 (2000.0) P Q
n 0.87644968 Peri. 346.68386 -0.98341065 +0.14137946
a 1.0813959 Node 202.42080 -0.12675518 -0.98377083
e 0.4366322 Incl. 17.33543 -0.12975600 -0.11048442
P 1.12 H 18.7 G 0.15 U 5
Residuals in seconds of arc
991010 704 0.4- 0.7+ 991011 704 0.0 1.4- 991104 413 0.0 0.5+
991010 704 1.1+ 0.2+ 991011 704 0.5- 0.9- 000707 695 0.1+ 0.1+
991010 704 0.5+ 0.1+ 991011 684 0.2- 0.4+ 000707 695 0.5- 0.4+
991010 704 0.5+ 0.4+ 991011 684 0.1+ 1.2+ 000707 695 0.4- 0.2+
991010 704 0.9+ 0.3+ 991012 046 0.7- 0.4+ 000725 557 0.5- 0.3+
991011 704 0.5+ 0.7+ 991012 046 0.7- 0.7- 000725 557 0.6+ 0.2+
991011 704 0.2+ 0.0 991012 046 0.2+ 1.3+ 000725 557 0.4- 0.5-
991011 704 0.4+ 0.0 991013 711 0.5- 1.1- 000725 557 0.3+ 0.8-
991011 704 0.0 0.3- 991013 711 0.3- 0.6- 000801 540 1.0+ 0.6+
991011 704 0.1- 0.2- 991013 711 0.7- 1.1- 000801 540 0.2- 0.5-
991011 704 0.6- 0.4- 991013 046 0.8+ 0.4+ 000801 540 0.4- 0.1+
991011 704 0.2+ 0.1- 991013 046 0.5- 0.3+
991011 704 0.5- 0.3- 991104 413 0.0 0.3+
Ephemeris:
1999 TL12 a,e,i = 1.08, 0.44, 17 q = 0.6092
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 07 25 23 52.29 +41 07.4 0.527 1.235 101.6 53.7 19.7
2000 07 30 23 44.17 +40 53.1 0.517 1.264 106.6 50.3 19.6
2000 08 04 23 34.40 +40 19.8 0.507 1.292 111.9 46.8 19.6
2000 08 09 23 23.12 +39 23.3 0.497 1.318 117.4 43.1 19.4
2000 08 14 23 10.63 +37 59.7 0.488 1.343 123.1 39.2 19.3
2000 08 19 22 57.36 +36 06.6 0.481 1.367 128.9 35.2 19.2
2000 08 24 22 43.86 +33 42.9 0.478 1.389 134.6 31.2 19.1
2000 08 29 22 30.72 +30 50.4 0.478 1.409 139.8 27.5 19.1
2000 09 03 22 18.53 +27 33.9 0.483 1.429 144.1 24.4 19.0
2000 09 08 22 07.76 +24 01.4 0.494 1.446 147.0 22.3 19.0
2000 09 13 21 58.71 +20 22.0 0.509 1.463 147.9 21.4 19.1
2000 09 18 21 51.50 +16 44.5 0.531 1.478 146.8 21.9 19.2
2000 09 23 21 46.13 +13 16.4 0.558 1.492 144.1 23.2 19.4
2000 09 28 21 42.54 +10 03.0 0.590 1.504 140.3 25.2 19.6
2000 10 03 21 40.62 +07 07.7 0.626 1.515 136.0 27.3 19.8
2000 10 13 21 41.14 +02 16.4 0.710 1.533 126.8 31.4 20.2
2000 10 23 21 46.36 -01 19.8 0.805 1.545 117.9 34.7 20.6
2000 11 02 21 55.21 -03 51.7 0.907 1.552 109.5 37.1 20.9
2000 11 12 22 06.84 -05 31.1 1.012 1.553 101.8 38.6 21.2
2000 11 22 22 20.54 -06 28.5 1.118 1.550 94.6 39.4 21.5
2000 12 02 22 35.90 -06 52.2 1.221 1.541 87.9 39.8 21.6
2000 12 12 22 52.56 -06 48.7 1.319 1.526 81.6 39.7 21.8
2000 12 22 23 10.29 -06 23.1 1.410 1.506 75.6 39.3 21.9
2001 01 01 23 28.97 -05 39.4 1.493 1.481 70.0 38.6 22.0
(Last issue was M.P.E.C. 2000-O41)
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-P01
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