MPEC 2007-R20 : 2007 RT1
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M.P.E.C. 2007-R20 Issued 2007 Sept. 5, 10:59 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 RT1
Observations:
K07R01T* C2007 09 04.38127 23 42 21.02 +07 45 34.4 19.1 V ER020703
K07R01T C2007 09 04.38778 23 42 17.78 +07 45 33.2 18.9 V ER020703
K07R01T C2007 09 04.39432 23 42 14.58 +07 45 36.0 19.8 V ER020703
K07R01T C2007 09 04.45712 23 41 44.66 +07 45 51.7 19.8 V ER020703
K07R01T C2007 09 04.45778 23 41 44.30 +07 45 54.6 18.8 V ER020703
K07R01T C2007 09 04.45844 23 41 44.05 +07 45 52.4 19.7 V ER020703
K07R01T C2007 09 04.45909 23 41 43.76 +07 45 53.1 19.6 V ER020703
K07R01T C2007 09 04.95722 23 37 55.46 +07 47 49.1 18.6 R ER020B04
K07R01T C2007 09 04.95902 23 37 54.62 +07 47 50.1 19.3 R ER020B04
K07R01T C2007 09 04.96082 23 37 53.82 +07 47 50.9 19.1 R ER020B04
K07R01T C2007 09 04.96852 23 37 50.29 +07 47 52.1 18.8 R ER020B04
K07R01T C2007 09 05.17531 23 36 18.13 +07 48 41.6 20.0 R ER020651
K07R01T C2007 09 05.17750 23 36 17.19 +07 48 42.7 19.6 R ER020651
K07R01T C2007 09 05.18077 23 36 15.68 +07 48 42.9 19.7 R ER020651
K07R01T 5C2007 09 05.22326 23 35 56.52 +07 48 50.9 19.4 R ER020673
K07R01T 5C2007 09 05.23808 23 35 49.81 +07 48 54.6 ER020673
K07R01T 5C2007 09 05.24525 23 35 46.65 +07 48 56.2 ER020673
K07R01T 5C2007 09 05.25197 23 35 43.57 +07 48 57.5 ER020673
K07R01T C2007 09 05.28226 23 35 29.61 +07 49 04.2 19.4 V ER020G96
K07R01T C2007 09 05.28280 23 35 29.40 +07 49 04.4 19.6 V ER020G96
K07R01T C2007 09 05.28333 23 35 29.14 +07 49 04.4 19.6 V ER020G96
K07R01T C2007 09 05.28387 23 35 28.89 +07 49 04.6 19.4 V ER020G96
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observers A. Boatini, R. A. Kowalski. 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. 0.68-m Schmidt
+ CCD.
B04 Saint-Barthelemy Observatory. Observers A. Carbognani, P. Calcidese.
Measurer A. Carbognani. 0.81-m f/7.9 reflector + CCD.
G96 Mt. Lemmon Survey. Observer 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.
Orbital elements:
2007 RT1 Earth MOID = 0.0767 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 44.07374 (2000.0) P Q
n 0.36585697 Peri. 242.88676 -0.67653852 +0.72026429
a 1.9361032 Node 341.70365 -0.37235725 -0.51424008
e 0.7734661 Incl. 29.23999 -0.63533118 -0.46559263
P 2.69 H 20.7 G 0.15 U 9
Residuals in seconds of arc
070904 703 0.3+ 1.5+ 070904 B04 0.6- 0.1+ 070905 673 1.0+ 0.4+
070904 703 1.3- 1.4- 070904 B04 0.2- 0.4+ 070905 673 0.5+ 0.3+
070904 703 (2.1- 0.3-) 070904 B04 0.2+ 0.1- 070905 G96 0.7- 0.5-
070904 703 0.1- 0.6- 070905 651 0.5- 0.1- 070905 G96 0.2- 0.4-
070904 703 (0.8- 2.1+) 070905 651 0.3+ 0.6+ 070905 G96 0.5- 0.5-
070904 703 0.1+ 0.3- 070905 651 0.1- 0.0 070905 G96 0.6- 0.4-
070904 703 0.4+ 0.3+ 070905 673 0.2- 0.1-
070904 B04 0.5- 0.5- 070905 673 0.2- 0.4+
Ephemeris:
2007 RT1 a,e,i = 1.94, 0.77, 29 q = 0.4386
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 28 00 55.28 +06 25.9 0.245 1.206 139.0 33.3 19.4
2007 09 02 00 02.55 +07 31.0 0.284 1.272 154.6 19.9 19.5
2007 09 07 23 23.47 +07 53.5 0.337 1.336 164.7 11.5 19.7
2007 09 12 22 55.50 +07 52.3 0.400 1.399 166.4 9.7 20.1
2007 09 17 22 35.73 +07 40.0 0.471 1.460 161.7 12.5 20.6
2007 09 22 22 21.85 +07 23.8 0.547 1.519 155.5 15.9 21.2
2007 09 27 22 12.24 +07 07.1 0.629 1.577 149.5 18.8 21.6
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R20
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