MPEC 2007-R23 : 2007 RF2
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M.P.E.C. 2007-R23 Issued 2007 Sept. 6, 02:05 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 RF2
Observations:
K07R02F* C2007 09 05.41331 00 57 28.58 -08 26 47.9 18.8 V ER023703
K07R02F C2007 09 05.42142 00 57 29.37 -08 26 50.2 18.8 V ER023703
K07R02F C2007 09 05.42965 00 57 30.24 -08 26 52.7 18.7 V ER023703
K07R02F C2007 09 05.43808 00 57 31.24 -08 26 55.5 18.8 V ER023703
K07R02F (C2007 09 05.80350 00 58 14.85 -08 28 12.9 18.5 R ER023413
K07R02F (C2007 09 05.80605 00 58 15.14 -08 28 13.9 ER023413
K07R02F (C2007 09 05.80879 00 58 15.44 -08 28 14.7 ER023413
K07R02F C2007 09 06.01688 00 58 43.63 -08 30 11.0 18.3 R ER023B04
K07R02F C2007 09 06.02394 00 58 44.42 -08 30 13.7 18.4 R ER023B04
K07R02F C2007 09 06.02431 00 58 44.48 -08 30 14.0 18.7 R ER023B04
K07R02F C2007 09 06.03210 00 58 45.37 -08 30 16.6 18.4 R ER023B04
K07R02F C2007 09 06.03591 00 58 46.04 -08 30 20.0 ER023J95
K07R02F C2007 09 06.04006 00 58 46.52 -08 30 21.1 ER023J95
K07R02F C2007 09 06.04422 00 58 47.00 -08 30 22.6 18.6 R ER023J95
Observer details:
413 Siding Spring. Observers K. Sarneczky, L. Kiss. Measurer K. Sarneczky.
1.02-m reflector + CCD.
703 Catalina Sky Survey. Observer A. Boattini. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 RF2 PHA, Earth MOID = 0.0190 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 351.52506 (2000.0) P Q
n 0.46226449 Peri. 78.57583 -0.06542747 -0.99754090
a 1.6565671 Node 15.24331 +0.87420933 -0.06944345
e 0.6306595 Incl. 5.48429 +0.48112088 -0.00947466
P 2.13 H 20.5 G 0.15 U 9
Residuals in seconds of arc
070905 703 0.6+ 0.2- 070905 413 0.1+ 0.1- 070906 B04 0.2- 0.1-
070905 703 0.5- 0.1+ 070905 413 0.1- 0.0 070906 J95 0.1+ 0.2-
070905 703 0.7- 0.1+ 070906 B04 0.1- 0.3+ 070906 J95 0.1+ 0.1+
070905 703 0.6+ 0.0 070906 B04 0.4- 0.0 070906 J95 0.0 0.1+
070905 413 0.1+ 0.1+ 070906 B04 0.1- 0.1-
Ephemeris:
2007 RF2 a,e,i = 1.66, 0.63, 5 q = 0.6118
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 08 28 00 43.97 -07 55.8 0.338 1.303 145.5 26.1 19.9
2007 08 30 00 46.73 -08 01.0 0.313 1.283 146.6 25.7 19.7
2007 09 01 00 49.72 -08 07.3 0.288 1.262 147.7 25.3 19.5
2007 09 03 00 52.99 -08 15.0 0.264 1.242 148.6 25.0 19.2
2007 09 05 00 56.66 -08 24.2 0.240 1.221 149.5 24.8 19.0
2007 09 07 01 00.86 -08 35.4 0.216 1.200 150.1 24.7 18.7
2007 09 09 01 05.79 -08 49.0 0.193 1.179 150.6 24.8 18.4
2007 09 11 01 11.78 -09 05.7 0.170 1.158 150.7 25.2 18.1
2007 09 13 01 19.33 -09 26.4 0.147 1.137 150.5 25.9 17.8
2007 09 15 01 29.28 -09 53.0 0.125 1.115 149.5 27.2 17.4
2007 09 17 01 43.15 -10 27.9 0.103 1.094 147.6 29.5 17.0
2007 09 19 02 03.97 -11 15.5 0.0822 1.072 144.0 33.5 16.6
2007 09 21 02 38.27 -12 20.6 0.0624 1.051 137.0 40.7 16.2
2007 09 23 03 41.35 -13 35.8 0.0452 1.029 123.2 54.7 15.8
2007 09 25 05 39.55 -13 14.7 0.0344 1.007 96.1 81.9 16.1
2007 09 27 08 07.56 -08 07.1 0.0363 0.986 61.3 116.8 17.9
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R23
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