• Processing (Info)

    • MPEC 2012-U41 : COMET P/2012 TK8 (TENAGRA)

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2012-U40 Read MPEC 2012-U42 

    M.P.E.C. 2012-U41                                Issued 2012 Oct. 18, 19:53 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 P/2012 TK8 (TENAGRA)

Observations:
    PK12T08K  C2012 10 06.32012 00 46 27.67 +14 47 39.8          19.7 ToEU041926
    PK12T08K  C2012 10 06.33403 00 46 27.09 +14 47 36.5          19.6 ToEU041926
    PK12T08K  C2012 10 06.34791 00 46 26.52 +14 47 33.7          19.4 ToEU041926
    PK12T08K  C2012 10 08.20585 00 45 13.35 +14 40 30.9          20.0 TrEU041G96
    PK12T08K  C2012 10 08.21501 00 45 12.99 +14 40 29.0          20.1 TrEU041G96
    PK12T08K  C2012 10 08.22421 00 45 12.63 +14 40 26.8          19.9 TrEU041G96
    PK12T08K  C2012 10 08.23330 00 45 12.24 +14 40 24.6          19.8 TrEU041G96
    PK12T08K  C2012 10 09.34858200 44 28.339+14 36 04.26         20.7 TLEU041F51
    PK12T08K  C2012 10 09.36269600 44 27.766+14 36 01.03         20.6 TLEU041F51
    PK12T08K  C2012 10 09.37691300 44 27.182+14 35 57.64         20.6 TLEU041F51
    PK12T08K  C2012 10 09.39119700 44 26.601+14 35 54.33         20.5 TLEU041F51
    PK12T08K  C2012 10 15.33145 00 40 35.90 +14 11 16.2          19.7 TrEU041G96
    PK12T08K  C2012 10 15.34069 00 40 35.58 +14 11 14.1          19.7 TrEU041G96
    PK12T08K  C2012 10 15.34992 00 40 35.18 +14 11 11.5          19.2 TrEU041G96
    PK12T08K  C2012 10 15.35918 00 40 34.82 +14 11 09.0          19.8 TrEU041G96

Observer details:
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  0.41-m
    f/3.75 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
    J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observers R. A. Kowalski, J. A. Johnson.  Measurers
    A. Boattini, E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.

Orbital elements:
    P/2012 TK8 (Tenagra)
T 2013 May  9.79861 TT                                  MPC
q   3.0897030            (2000.0)            P               Q
n   0.11520344     Peri.  128.08763     +0.52820316     -0.84282728
a   4.1830440      Node   289.72658     +0.74070670     +0.51675572
e   0.2613745      Incl.    6.29225     +0.41515659     +0.15035196
P   8.56
From 15 observations 2012 Oct. 6-15.

Ephemeris:
    P/2012 TK8 (Tenagra)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2012 09 18    00 57 42.9 +15 37 49   2.3592  3.2948   154.5     7.5  20.0
...
2012 10 03    00 48 38.2 +14 59 29   2.2842  3.2710   168.6     3.5  19.9
...
2012 10 11    00 43 23.4 +14 29 28   2.2696  3.2587   170.7     2.8  19.9
...
2012 10 17    00 39 33.2 +14 04 03   2.2706  3.2498   167.1     3.9  19.9
2012 10 18    00 38 56.1 +13 59 40   2.2718  3.2483   166.3     4.2  19.9
2012 10 19    00 38 19.5 +13 55 14   2.2733  3.2469   165.4     4.4  19.9
...
2012 10 25    00 34 52.2 +13 28 21   2.2878  3.2382   159.6     6.2  19.9
...
2012 11 02    00 30 58.5 +12 52 57   2.3220  3.2269   151.2     8.5  19.9
...
2012 11 17    00 26 35.5 +11 55 33   2.4273  3.2069   135.4    12.5  20.0

Gareth V. Williams           (C) Copyright 2012 MPC           M.P.E.C. 2012-U41

    Read MPEC 2012-U40 Read MPEC 2012-U42

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)