MPEC 2007-T72 : 2007 TY18
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M.P.E.C. 2007-T72 Issued 2007 Oct. 11, 15:46 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
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 TY18
Observations:
K07T18Y* C2007 10 09.42775 03 40 24.95 +27 39 12.2 19.8 V ET072691
K07T18Y C2007 10 09.44542 03 40 23.90 +27 39 17.6 19.9 V ET072691
K07T18Y C2007 10 09.46311 03 40 22.89 +27 39 23.7 20.5 V ET072691
K07T18Y C2007 10 10.24987403 39 39.29 +27 43 37.4 20.3 V ET072H55
K07T18Y C2007 10 10.26117503 39 38.63 +27 43 41.7 20.3 V ET072H55
K07T18Y C2007 10 10.26843803 39 38.20 +27 43 44.1 20.3 V ET072H55
K07T18Y C2007 10 10.41468 03 39 29.52 +27 44 31.6 19.8 V ET072G96
K07T18Y C2007 10 10.42058 03 39 29.16 +27 44 33.5 20.1 V ET072G96
K07T18Y C2007 10 10.42650 03 39 28.80 +27 44 35.3 20.1 V ET072G96
K07T18Y C2007 10 10.43245 03 39 28.44 +27 44 37.1 20.4 V ET072G96
K07T18Y C2007 10 11.40296 03 38 31.18 +27 49 38.0 20.8 R ET072926
K07T18Y C2007 10 11.40637 03 38 30.93 +27 49 38.7 ET072926
K07T18Y C2007 10 11.40977 03 38 30.72 +27 49 39.9 ET072926
K07T18Y C2007 10 11.44249 03 38 28.64 +27 49 49.6 20.1 V ET072G96
K07T18Y C2007 10 11.44540 03 38 28.42 +27 49 50.5 20.1 V ET072G96
K07T18Y C2007 10 11.44832 03 38 28.24 +27 49 51.3 20.1 V ET072G96
K07T18Y C2007 10 11.45128 03 38 28.06 +27 49 52.2 20.1 V ET072G96
K07T18Y C2007 10 11.49510 03 38 25.22 +27 50 04.9 20.3 V ET072291
K07T18Y C2007 10 11.49931 03 38 24.95 +27 50 06.1 20.4 V ET072291
K07T18Y C2007 10 11.50414 03 38 24.64 +27 50 07.4 20.4 V ET072291
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers E. Beshore, R. E. Hill. Measurers
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.61-m f/4.0 astrograph + CCD.
Orbital elements:
2007 TY18 Earth MOID = 0.2876 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 49.03246 (2000.0) P Q
n 0.31328683 Peri. 301.93608 +0.61362777 +0.78946340
a 2.1470457 Node 5.97817 -0.66954953 +0.52994136
e 0.4081614 Incl. 7.96941 -0.41852645 +0.30969290
P 3.15 H 18.1 G 0.15 U 8
Residuals in seconds of arc
071009 691 0.0 0.1+ 071010 G96 0.1+ 0.1- 071011 G96 0.1+ 0.2+
071009 691 0.2- 0.3- 071010 G96 0.1+ 0.2- 071011 G96 0.2+ 0.1+
071009 691 0.2+ 0.1+ 071010 G96 0.2+ 0.2- 071011 G96 0.3+ 0.1+
071010 H55 0.4- 0.2- 071011 926 0.4+ 0.2+ 071011 291 0.1- 0.0
071010 H55 0.2- 0.4+ 071011 926 0.0 0.1- 071011 291 0.1- 0.0
071010 H55 0.1- 0.4+ 071011 926 0.1+ 0.0 071011 291 0.1- 0.1-
071010 G96 0.0 0.1- 071011 G96 0.5+ 0.1+
Ephemeris:
2007 TY18 a,e,i = 2.15, 0.41, 8 q = 1.2707
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 10 07 03 42.48 +27 25.1 0.917 1.759 133.1 24.5 20.3
2007 10 17 03 32.17 +28 13.7 0.905 1.812 144.6 18.6 20.1
2007 10 27 03 18.00 +28 34.2 0.910 1.864 156.4 12.3 20.0
2007 11 06 03 02.11 +28 24.5 0.938 1.916 166.6 6.9 19.9
2007 11 16 02 47.04 +27 49.7 0.990 1.968 167.6 6.2 20.0
2007 11 26 02 34.92 +27 01.3 1.067 2.018 158.6 10.3 20.4
2007 12 06 02 26.88 +26 11.8 1.167 2.068 147.8 14.7 20.8
2007 12 16 02 23.14 +25 30.4 1.287 2.117 137.2 18.4 21.2
2007 12 26 02 23.40 +25 02.2 1.423 2.166 127.3 21.2 21.6
2008 01 05 02 27.06 +24 48.3 1.572 2.212 118.1 23.1 21.9
Sonia Keys (C) Copyright 2007 MPC M.P.E.C. 2007-T72
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