* Astronomy

Blobrana · L

RE: Comet C/2013 A1 (SIDING SPRING)

Blobrana · L

The C/2013 A1 comet may pass as close as 37,000 km from the surface of Mars in October 2014, according to data published Wednesday by the New Mexico-based ISON-NM observatory.
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Blobrana · L

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.

MPEC 2013 - A14

Comet C/2013 A1 (SIDING SPRING) was discovered by the Siding Spring Survey telescope, on the 8th December, 2012.
The preliminary orbital elements of the comet indicate perihelion passage on the 25th October, 2014 at a distance of approximately 1.4 AU from the Sun.

Key to Orbital elements

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2012 12 29    05 16 17.6 -21 30 35   6.5543  7.2441   131.6     5.8  18.7
2012 12 30    05 15 32.6 -21 30 45   6.5513  7.2359   131.1     5.9  18.7
2012 12 31    05 14 47.8 -21 30 47   6.5487  7.2278   130.7     5.9  18.7
2013 01 01    05 14 03.1 -21 30 42   6.5462  7.2197   130.2     6.0  18.7
2013 01 02    05 13 18.6 -21 30 30   6.5440  7.2116   129.7     6.0  18.7
2013 01 03    05 12 34.4 -21 30 11   6.5421  7.2034   129.2     6.1  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 07    05 09 40.2 -21 27 43   6.5368  7.1709   126.9     6.3  18.6
2013 01 08    05 08 57.5 -21 26 49   6.5361  7.1627   126.3     6.3  18.6
2013 01 09    05 08 15.0 -21 25 48   6.5356  7.1546   125.7     6.4  18.6
2013 01 10    05 07 32.9 -21 24 40   6.5353  7.1464   125.1     6.5  18.6

2014 01 20    03 03 02.1 -36 59 35   3.6771  3.7804    88.4    15.1  14.6
2014 01 21    03 01 54.9 -36 51 33   3.6804  3.7705    87.6    15.1  14.6
2014 01 22    03 00 49.4 -36 43 22   3.6838  3.7605    86.9    15.1  14.6
2014 01 23    02 59 45.6 -36 35 03   3.6872  3.7505    86.1    15.2  14.6
2014 01 24    02 58 43.3 -36 26 37   3.6907  3.7406    85.3    15.2  14.6
2014 01 25    02 57 42.7 -36 18 04   3.6941  3.7306    84.5    15.2  14.6
2014 01 26    02 56 43.8 -36 09 25   3.6976  3.7207    83.7    15.2  14.5
2014 01 27    02 55 46.4 -36 00 39   3.7011  3.7107    82.9    15.3  14.5
2014 01 28    02 54 50.7 -35 51 47   3.7047  3.7007    82.1    15.3  14.5
2014 01 29    02 53 56.6 -35 42 51   3.7082  3.6907    81.3    15.3  14.5
2014 01 30    02 53 04.1 -35 33 49   3.7117  3.6807    80.6    15.3  14.5
2014 01 31    02 52 13.2 -35 24 42   3.7152  3.6707    79.8    15.3  14.5