MPEC 2013-A14 : COMET C/2013 A1 (SIDING SPRING)
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M.P.E.C. 2013-A14 Issued 2013 Jan. 5, 02:30 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2013 A1 (SIDING SPRING)
Observations:
CK13A010 C2012 12 08.32005 05 31 57.72 -20 59 56.6 18.7 TrEA014703
CK13A010 C2012 12 08.32808 05 31 57.32 -20 59 58.2 18.5 TrEA014703
CK13A010 C2012 12 08.33618 05 31 57.00 -20 59 58.3 18.8 TrEA014703
CK13A010 C2012 12 08.34429 05 31 56.71 -20 59 59.3 18.9 TrEA014703
CK13A010 QC2013 01 03.53978 05 12 10.63 -21 29 57.1 18.6 TrEA014E12
CK13A010 QC2013 01 03.55185 05 12 10.10 -21 29 57.1 18.6 TrEA014E12
CK13A010 QC2013 01 03.56300 05 12 09.58 -21 29 57.1 18.4 TrEA014E12
CK13A010 KC2013 01 04.07927 05 11 46.90 -21 29 43.3 18.4 TuEA014I39
CK13A010 KC2013 01 04.09923 05 11 46.03 -21 29 41.4 18.2 TuEA014I39
CK13A010 KC2013 01 04.12137 05 11 45.10 -21 29 40.6 18.4 TuEA014I39
CK13A010 KC2013 01 04.14442 05 11 44.09 -21 29 39.9 18.5 TuEA014821
CK13A010 KC2013 01 04.15084 05 11 43.80 -21 29 39.8 18.7 TuEA014821
CK13A010 KC2013 01 04.15441 05 11 43.65 -21 29 39.6 18.7 TuEA014821
CK13A010 1C2013 01 04.44179 05 11 31.12 -21 29 30.8 cEA014Q62
CK13A010 1C2013 01 04.44525 05 11 30.94 -21 29 30.2 cEA014Q62
CK13A010 C2013 01 04.47240 05 11 29.74 -21 29 29.8 18.6 ToEA014E23
CK13A010 C2013 01 04.48245 05 11 29.32 -21 29 29.3 18.8 ToEA014E23
CK13A010 C2013 01 04.49013 05 11 29.01 -21 29 29.0 18.9 ToEA014E23
CK13A010 C2013 01 04.49668 05 11 28.71 -21 29 30.5 18.5 ToEA014300
CK13A010 C2013 01 04.49903 05 11 28.65 -21 29 29.6 18.5 ToEA014300
CK13A010 2C2013 01 04.50127 05 11 28.48 -21 29 28.6 18.8 TuEA014Q62
CK13A010 C2013 01 04.50138 05 11 28.56 -21 29 30.0 18.5 ToEA014300
CK13A010 2C2013 01 04.50262 05 11 28.43 -21 29 28.6 19.0 TuEA014Q62
CK13A010 C2013 01 04.50373 05 11 28.42 -21 29 29.7 18.8 ToEA014300
CK13A010 2C2013 01 04.50394 05 11 28.38 -21 29 28.4 18.8 TuEA014Q62
CK13A010 2C2013 01 04.51594 05 11 27.89 -21 29 27.9 19.1 TuEA014Q62
CK13A010 2C2013 01 04.51733 05 11 27.80 -21 29 28.0 19.0 TuEA014Q62
CK13A010 2C2013 01 04.51868 05 11 27.75 -21 29 27.9 18.8 TuEA014Q62
CK13A010 QC2013 01 04.53918 05 11 26.83 -21 29 27.1 18.4 TrEA014E12
CK13A010 QC2013 01 04.54288 05 11 26.67 -21 29 27.1 18.4 TrEA014E12
CK13A010 QC2013 01 04.61878 05 11 23.32 -21 29 24.2 18.4 TrEA014E12
CK13A010 QC2013 01 04.62277 05 11 23.14 -21 29 24.2 18.3 TrEA014E12
CK13A010 1C2013 01 04.63706 05 11 22.50 -21 29 24.1 cEA014Q62
CK13A010 1C2013 01 04.63889 05 11 22.42 -21 29 23.9 cEA014Q62
CK13A010 1C2013 01 04.64075 05 11 22.34 -21 29 23.6 cEA014Q62
CK13A010 1C2013 01 04.64256 05 11 22.24 -21 29 23.4 18.6 TcEA014Q62
CK13A010 KC2013 01 04.91507 05 11 10.46 -21 29 15.4 18.9 TuEA014J87
CK13A010 KC2013 01 04.92326 05 11 10.08 -21 29 15.1 18.9 TuEA014J87
CK13A010 KC2013 01 04.93102 05 11 09.73 -21 29 14.9 18.8 TuEA014J87
CK13A010 KC2013 01 04.93884 05 11 09.40 -21 29 14.5 18.7 TuEA014J87
CK13A010 KC2013 01 04.94676 05 11 09.06 -21 29 14.3 18.9 TuEA014J87
CK13A010 |C2013 01 05.03453 05 11 05.28 -21 29 09.8 19.3 TuEA014807
CK13A010 |C2013 01 05.03854 05 11 05.10 -21 29 09.9 19.3 TuEA014807
CK13A010 |C2013 01 05.04255 05 11 04.92 -21 29 09.7 19.3 TuEA014807
CK13A010 KC2013 01 05.04504 05 11 04.75 -21 29 08.8 18.8 TuEA014I19
CK13A010 |C2013 01 05.04656 05 11 04.74 -21 29 09.6 19.3 TuEA014807
CK13A010 |C2013 01 05.05056 05 11 04.57 -21 29 09.4 19.2 TuEA014807
CK13A010 KC2013 01 05.05726 05 11 04.29 -21 29 09.1 18.5 TuEA014I19
CK13A010 KC2013 01 05.06019 05 11 04.10 -21 29 09.1 18.5 TuEA014I19
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, H. Tanquary. 0.41-m f/11
Ritchey-Chretien + CCD.
821 Cordoba-Bosque Alegre. Observers C. Colazo, R. Melia, C. Willemoes.
Measurer C. Colazo. 1.54-m f/4.8 reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m Schmidt-Cassegrain + CCD.
I19 Observatorio El Gato Gris, Tanti. Observer C. Colazo. 0.36-m f/11
Schmidt-Cassegrain + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observers A. Chapman, N. D. Diaz.
0.20-m f/4 reflector + CCD.
J87 La Canada. Observer J. Lacruz. 0.40-m Ritchey-Chretien + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers M. Urbanik, H. Sato.
0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer, 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Orbital elements:
C/2013 A1 (Siding Spring)
T 2014 Oct. 25.08285 TT MPC
q 1.3921432 (2000.0) P Q
z +0.0003415 Peri. 2.54133 +0.48840090 -0.56203058
Node 300.85326 -0.81370167 -0.56964491
e 0.9995246 Incl. 128.96230 -0.31520492 +0.59968851
From 49 observations 2012 Dec. 8-2013 Jan. 5.
Ephemeris:
C/2013 A1 (Siding Spring)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2012 12 06 05 33 40.2 -20 53 19 6.6962 7.4299 135.4 5.3 18.8
...
2012 12 21 05 22 22.2 -21 24 53 6.5872 7.3089 134.4 5.5 18.7
...
2012 12 29 05 16 17.6 -21 30 35 6.5543 7.2441 131.6 5.8 18.7
...
2013 01 04 05 11 50.5 -21 29 45 6.5404 7.1953 128.6 6.1 18.6
2013 01 05 05 11 06.8 -21 29 11 6.5390 7.1872 128.1 6.2 18.6
2013 01 06 05 10 23.4 -21 28 31 6.5378 7.1790 127.5 6.2 18.6
...
2013 01 12 05 06 09.8 -21 22 03 6.5355 7.1301 123.8 6.6 18.6
...
2013 01 20 05 00 54.9 -21 07 23 6.5444 7.0646 118.3 7.0 18.6
...
2013 02 04 04 52 36.5 -20 24 14 6.5909 6.9413 106.9 7.8 18.5
Gareth V. Williams (C) Copyright 2013 MPC M.P.E.C. 2013-A14
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