• Processing (Info)

    • MPEC 2015-E42 : COMET C/2015 C2 (SWAN)

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    M.P.E.C. 2015-E42                                Issued 2015 Mar. 12, 22:07 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/2015 C2 (SWAN)

Observations:
    CK15C020  C2015 03 09.77272 01 00 45.62 -00 48 36.8          13.6 NqEE042C23
    CK15C020  C2015 03 09.77352 01 00 45.63 -00 48 34.8          13.5 NqEE042C23
    CK15C020  C2015 03 09.77433 01 00 45.70 -00 48 28.4          13.5 NqEE042C23
    CK15C020  C2015 03 09.77594 01 00 45.74 -00 48 22.3          13.7 NqEE042C23
    CK15C020  C2015 03 09.77674 01 00 45.88 -00 48 17.7          13.3 NqEE042C23
    CK15C020 KC2015 03 11.77567 01 02 50.34 +01 47 50.1          13.6 NqEE042C23
    CK15C020 KC2015 03 11.77624 01 02 50.53 +01 47 51.8          12.4 NqEE042C23
    CK15C020 KC2015 03 11.77681 01 02 50.48 +01 47 52.7          13.4 NqEE042C23
    CK15C020 KC2015 03 11.77738 01 02 50.52 +01 47 57.6          13.6 NqEE042C23
    CK15C020 KC2015 03 11.77796 01 02 50.68 +01 47 59.1          13.8 NqEE042C23
    CK15C020 KC2015 03 11.77879 01 02 50.61 +01 48 01.7          12.0 NqEE042C23
    CK15C020 KC2015 03 11.77959 01 02 50.71 +01 48 06.7          13.7 NqEE042C23
    CK15C020 KC2015 03 11.78039 01 02 50.61 +01 48 14.3          12.8 NqEE042C23
    CK15C020 KC2015 03 11.78197 01 02 50.86 +01 48 17.9          13.7 NqEE042C23
    CK15C020 KC2015 03 11.78301 01 02 50.74 +01 48 23.8          12.8 NqEE042C23

Observer details:
C23 Olmen.  Observer A. Diepvens.  0.20-m f/9 refractor + CCD.

Orbital elements:
    C/2015 C2 (SWAN)
Epoch 2015 Feb. 27.0 TT = JDT 2457080.5
T 2015 Mar. 4.57133 TT                                  MPCW
q   0.7113485            (2000.0)            P               Q
z  +0.0026280      Peri.  334.14751     +0.55804455     +0.33668314
 +/-0.0010276      Node    49.53316     +0.82142413     -0.09451121
e   0.9981306      Incl.   94.49690     -0.11768040     +0.93686290
From 39 observations 2015 Feb. 25-Mar. 11, mean residual 0".8.

    C/2015 C2 (SWAN)
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2015 Mar. 4.57061 TT                                  MPCW
q   0.7113416            (2000.0)            P               Q
z  +0.0026482      Peri.  334.14686     +0.55803033     +0.33668772
 +/-0.0010276      Node    49.53392     +0.82143277     -0.09449949
e   0.9981163      Incl.   94.49708     -0.11768749     +0.93686244
From 39 observations 2015 Feb. 25-Mar. 11, mean residual 0".8.

Ephemeris:
    C/2015 C2 (SWAN)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2015 02 10    23 49 40.6 -45 18 51   1.2532  0.8433    42.2    51.8  13.7
...
2015 02 25    00 40 53.7 -19 49 11   1.3154  0.7279    33.1    48.0  13.2
...
2015 03 05    00 54 52.7 -07 26 13   1.4052  0.7114    28.4    41.5  13.3
...
2015 03 11    01 02 03.7 +00 47 58   1.4842  0.7232    25.3    35.9  13.5
2015 03 12    01 03 03.9 +02 04 59   1.4978  0.7272    24.8    35.0  13.5
2015 03 13    01 04 01.3 +03 20 30   1.5114  0.7317    24.4    34.1  13.5
...
2015 03 19    01 09 00.5 +10 24 02   1.5924  0.7689    22.2    29.3  13.9
...
2015 03 27    01 14 22.8 +18 39 53   1.6947  0.8416    20.9    25.0  14.4
...
2015 04 11    01 23 20.4 +31 39 16   1.8576  1.0225    23.7    23.2  15.4

Gareth V. Williams           (C) Copyright 2015 MPC           M.P.E.C. 2015-E42

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