• Processing (Info)

    • MPEC 2016-E133: COMET C/2015 X2 (CATALINA)

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    M.P.E.C. 2016-E133                               Issued 2016 Mar. 12, 21:04 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F 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 X2 (CATALINA)

Observations:
    CK15X020 |C2016 02 07.52047 18 13 40.90 +67 00 37.7                vEE133H06
    CK15X020 |C2016 02 07.52372 18 13 41.65 +67 00 37.1                vEE133H06
    CK15X020 |C2016 02 07.52696 18 13 42.42 +67 00 36.5          18.8 TvEE133H06

Observer details:
H06 iTelescope Observatory, Mayhill.  Observer H. Sato.  0.43-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.

Orbital elements:
    C/2015 X2 (Catalina)
Epoch 2015 Dec. 4.0 TT = JDT 2457360.5
T 2015 Dec. 20.75181 TT                                 MPCW
q   1.9044713            (2000.0)            P               Q
n   0.01591797     Peri.   42.03506     -0.34096093     -0.09094105
a  15.6510770      Node   101.09001     +0.37914277     -0.92407432
e   0.8783169      Incl.   72.45365     +0.86023044     +0.37123628
P  61.92
From 37 observations 2015 Dec. 2-2016 Feb. 7, mean residual 0".5.

    C/2015 X2 (Catalina)
Epoch 2077 Oct. 19.0 TT = JDT 2479960.5
T 2077 Oct.  9.44547 TT                                 MPCW
q   1.9094998            (2000.0)            P               Q
n   0.01596309     Peri.   42.31454     -0.34420098     -0.09166954
a  15.6215750      Node   101.11687     +0.37435680     -0.92609056
e   0.8777652      Incl.   72.22803     +0.86103582     +0.36599587
P  61.74
From 37 observations 2015 Dec. 2-2016 Feb. 7, mean residual 0".5.

    C/2015 X2 (Catalina)
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5
T 2015 Dec. 20.75411 TT                                 MPCW
q   1.9044718            (2000.0)            P               Q
n   0.01591865     Peri.   42.03636     -0.34096272     -0.09094190
a  15.6506343      Node   101.08967     +0.37912350     -0.92408264
e   0.8783134      Incl.   72.45329     +0.86023822     +0.37121537
P  61.92
From 37 observations 2015 Dec. 2-2016 Feb. 7, mean residual 0".5.

Ephemeris:
    C/2015 X2 (Catalina)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2016 02 11    18 26 14.1 +66 48 29   1.7693  1.9990    88.2    29.6  20.2
...
2016 02 26    19 05 53.4 +66 18 00   1.9062  2.0578    84.2    28.6  20.5
...
2016 03 05    19 19 06.4 +66 20 22   1.9736  2.0940    82.8    28.0  20.7
...
2016 03 11    19 25 54.5 +66 30 51   2.0206  2.1232    82.0    27.6  20.8
2016 03 12    19 26 47.6 +66 33 16   2.0281  2.1282    81.8    27.5  20.8
2016 03 13    19 27 36.4 +66 35 52   2.0355  2.1333    81.8    27.5  20.8
...
2016 03 19    19 31 01.4 +66 54 55   2.0780  2.1646    81.3    27.0  20.9
...
2016 03 27    19 31 39.5 +67 27 51   2.1292  2.2086    81.2    26.5  21.1
...
2016 04 11    19 20 07.7 +68 39 54   2.2091  2.2975    82.1    25.6  21.3

Gareth V. Williams           (C) Copyright 2016 MPC           M.P.E.C. 2016-E133

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