MPEC 2010-X101: COMET C/2010 X1 (ELENIN)

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MPEC 2010-X101: COMET C/2010 X1 (ELENIN)

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M.P.E.C. 2010-X101                               Issued 2010 Dec. 12, 23:42 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.org/iau/mpc.html  ISSN 1523-6714

                           COMET C/2010 X1 (ELENIN)

Observations:
    CK10X010  C2010 12 10.41707 11 58 06.29 -00 34 20.1          19.5 ToEX101H15
    CK10X010  C2010 12 10.43048 11 58 06.68 -00 34 23.2          19.6 ToEX101H15
    CK10X010  C2010 12 10.44468 11 58 07.10 -00 34 26.5          19.5 ToEX101H15
    CK10X010  C2010 12 10.45881 11 58 07.51 -00 34 29.7          19.5 ToEX101H15
    CK10X010  C2010 12 10.99061 11 58 22.59 -00 36 16.1                vEX101188
    CK10X010  C2010 12 10.99471 11 58 22.70 -00 36 17.2          19.1 TvEX101188
    CK10X010  C2010 12 10.99881 11 58 22.81 -00 36 18.0                vEX101188
    CK10X010  C2010 12 11.00291 11 58 22.92 -00 36 18.9                vEX101188
    CK10X010  C2010 12 11.09992 11 58 25.57 -00 36 39.0          19.1 TuEX101114
    CK10X010  C2010 12 11.10380 11 58 25.78 -00 36 39.7          18.9 TuEX101114
    CK10X010  C2010 12 11.11552 11 58 26.06 -00 36 41.7          19.6 TuEX101114
    CK10X010  C2010 12 11.12719 11 58 26.34 -00 36 43.7          18.9 TuEX101114
    CK10X010  C2010 12 11.13106 11 58 26.43 -00 36 44.5          19.2 TuEX101114
    CK10X010  C2010 12 11.13494 11 58 26.56 -00 36 45.3          19.1 TuEX101114
    CK10X010  C2010 12 11.51792 11 58 37.30 -00 38 00.6          20.0 TrEX101H10
    CK10X010  C2010 12 11.53392 11 58 37.74 -00 38 05.0          20.0 TrEX101H10
    CK10X010  C2010 12 11.98244 11 58 50.33 -00 39 32.9          19.7 TvEX101188
    CK10X010  C2010 12 11.98654 11 58 50.44 -00 39 33.8          19.7 TvEX101188
    CK10X010  C2010 12 11.99064 11 58 50.55 -00 39 34.5          19.8 TvEX101188
    CK10X010  C2010 12 12.17228 11 58 55.38 -00 40 11.5          19.6 TrEX101B90
    CK10X010  C2010 12 12.18190 11 58 55.65 -00 40 13.4          19.5 TrEX101B90
    CK10X010  C2010 12 12.18697 11 58 55.91 -00 40 14.2          19.5 TrEX101B90
    CK10X010 KC2010 12 12.18992 11 58 56.02 -00 40 13.7                vEX101204
    CK10X010 KC2010 12 12.20147 11 58 56.33 -00 40 16.6          19.8 TvEX101204
    CK10X010 KC2010 12 12.42818 11 59 02.55 -00 41 00.0          19.3 TvEX101H10
    CK10X010 KC2010 12 12.44240 11 59 03.00 -00 41 02.5          19.2 TvEX101H10
    CK10X010  C2010 12 12.46720 11 59 03.72 -00 41 08.3          19.2 ToEX101H01
    CK10X010  C2010 12 12.47511 11 59 03.95 -00 41 09.9          19.2 ToEX101H01
    CK10X010  C2010 12 12.48636 11 59 04.20 -00 41 11.7          19.0 ToEX101H01
    CK10X010  C2010 12 12.49432 11 59 04.43 -00 41 13.6          19.5 ToEX101H01
    CK10X010 |C2010 12 12.50556 11 59 04.67 -00 41 15.7                oEX101H06
    CK10X010 |C2010 12 12.50987 11 59 04.83 -00 41 16.7                oEX101H06
    CK10X010 |C2010 12 12.51310 11 59 04.93 -00 41 17.2          19.7 ToEX101H06

Observer details:
114 Engelhardt Observatory, Zelenchukskaya Station.  Observers T. Kryachko,
    B. Satovski.  Measurer T. Kryachko.  0.3-m f/7.7 reflector + CCD.
188 Majdanak.  Observer A. Sergeyev.  Measurer A. Novichonok.  1.5-m f/8
    reflector + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
B90 Malina River Observatory, Povoletto.  Observers G. Sostero, E. Guido,
    V. Gonano, L. Donato.  0.36-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.
H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.50-m f/6.8 reflector + CCD.
H10 Tzec Maun Observatory, Mayhill.  Observers S. Plaksa, D. Chestnov,
    A. Novichonok.  0.18-m f/7.3 refractor + CCD, 0.36-m f/3.8
    Maksutov-Newtonian + CCD.
H15 ISON-NM Observatory, Mayhill.  Observer L. Elenin.  0.45-m f/2.8
    astrograph + CCD.

Orbital elements:
    C/2010 X1 (Elenin)
T 2010 Apr. 1.80995 TT                                  MPC
q   5.1516487            (2000.0)            P               Q
                   Peri.  181.19274     -0.77551263     -0.63111764
                   Node   319.65918     +0.57944608     -0.70118937
e   1.0            Incl.    1.45638     +0.25064398     -0.33169865
From 33 observations 2010 Dec. 10-12.

Ephemeris:
    C/2010 X1 (Elenin)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2010 11 12    11 41 19.2 +01 21 52   5.9420  5.4222    54.2     8.5  19.2
...
2010 11 27    11 50 56.8 +00 15 46   5.7736  5.4582    66.7     9.6  19.2
...
2010 12 05    11 55 23.8 -00 15 15   5.6755  5.4783    73.5     9.9  19.2
...
2010 12 11    11 58 22.8 -00 36 17   5.5992  5.4936    78.8    10.1  19.1
2010 12 12    11 58 50.7 -00 39 36   5.5864  5.4962    79.7    10.2  19.1
2010 12 13    11 59 18.1 -00 42 51   5.5735  5.4988    80.6    10.2  19.1
...
2010 12 19    12 01 50.8 -01 01 06   5.4955  5.5146    86.0    10.3  19.1
...
2010 12 27    12 04 41.7 -01 21 59   5.3912  5.5362    93.3    10.2  19.1
...
2011 01 11    12 08 14.2 -01 49 35   5.2009  5.5780   107.6     9.7  19.0

Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-X101
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1997-B01 (the full form)
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B01 (the abbreviated form)