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    • MPEC 2016-X84 : COMET 41P/TUTTLE-GIACOBINI-KRESAK

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    Read MPEC 2016-X83 Read MPEC 2016-X85 

    M.P.E.C. 2016-X84                                Issued 2016 Dec. 8, 23:06 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 41P/TUTTLE-GIACOBINI-KRESAK

Observations:
0041P         C2016 11 10.58932 08 26 25.359+10 59 37.31         21.9 TLEX084F51
0041P         C2016 11 10.60098 08 26 26.234+10 59 33.30         21.8 TLEX084F51
0041P         C2016 11 10.61257 08 26 27.096+10 59 29.26         21.8 TLEX084F51
0041P         C2016 12 08.49965 08 58 39.39 +08 29 22.3          19.2 TqEX084G96
0041P         C2016 12 08.50392 08 58 39.62 +08 29 21.0          18.8 TqEX084G96
0041P         C2016 12 08.50826 08 58 39.93 +08 29 19.5          19.2 TqEX084G96
0041P         C2016 12 08.51260 08 58 40.18 +08 29 18.1          19.6 TqEX084G96

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
    H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
    R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
    D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
    S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + 10K CCD.

Orbital elements:
  41P/Tuttle-Giacobini-Kresak
Epoch 2006 May 25.0 TT = JDT 2453880.5
T 2006 June 11.78964 TT                                 MPCW
q   1.0477912            (2000.0)            P               Q
n   0.18183812     Peri.   62.19046     -0.91136894     +0.39907741
a   3.0856459      Node   141.09330     -0.41091586     -0.86820976
e   0.6604305      Incl.    9.22799     -0.02355467     -0.29487123
P   5.42
From 446 observations 2006 Feb. 3-2016 Dec. 8, mean residual 0".8.
     Nongravitational parameters A1 = +0.67, A2 = -0.0160.

  41P/Tuttle-Giacobini-Kresak
Epoch 2011 Nov. 15.0 TT = JDT 2455880.5
T 2011 Nov. 11.83969 TT                                 MPCW
q   1.0494385            (2000.0)            P               Q
n   0.18167078     Peri.   62.18140     -0.91163696     +0.39845654
a   3.0875404      Node   141.06357     -0.41033179     -0.86845780
e   0.6601053      Incl.    9.22501     -0.02336381     -0.29498041
P   5.43
From 446 observations 2006 Feb. 3-2016 Dec. 8, mean residual 0".8.
     Nongravitational parameters A1 = +0.67, A2 = -0.0160.

  41P/Tuttle-Giacobini-Kresak
Epoch 2017 Mar. 28.0 TT = JDT 2457840.5
T 2017 Apr. 12.74715 TT                                 MPCW
q   1.0450492            (2000.0)            P               Q
n   0.18192600     Peri.   62.15139     -0.91179453     +0.39809128
a   3.0846522      Node   141.07045     -0.40999040     -0.86863567
e   0.6612100      Incl.    9.22806     -0.02320787     -0.29494983
P   5.42
From 446 observations 2006 Feb. 3-2016 Dec. 8, mean residual 0".8.
     Nongravitational parameters A1 = +0.67, A2 = -0.0160.

  41P/Tuttle-Giacobini-Kresak
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5
T 2017 Apr. 12.74739 TT                                 MPCW
q   1.0450617            (2000.0)            P               Q
n   0.18199844     Peri.   62.14535     -0.91180122     +0.39807515
a   3.0838336      Node   141.07540     -0.40997658     -0.86865028
e   0.6611161      Incl.    9.22935     -0.02318915     -0.29492859
P   5.42
From 446 observations 2006 Feb. 3-2016 Dec. 8, mean residual 0".8.
     Nongravitational parameters A1 = +0.67, A2 = -0.0160.

Ephemeris:
  41P/Tuttle-Giacobini-Kresak
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2016 11 08    08 23 06.7 +11 14 20   1.7021  2.1172   100.3    27.4        22.0
...
2016 11 23    08 41 40.1 +09 49 29   1.4179  1.9913   110.5    27.7        21.5
...
2016 12 01    08 50 46.1 +09 06 19   1.2732  1.9233   116.1    27.4        21.2
...
2016 12 07    08 57 09.0 +08 36 24   1.1686  1.8719   120.5    27.0        20.9
2016 12 08    08 58 10.5 +08 31 42   1.1515  1.8633   121.2    26.9        20.9
2016 12 09    08 59 11.2 +08 27 05   1.1345  1.8547   122.0    26.8        20.8
...
2016 12 15    09 05 00.2 +08 01 45   1.0351  1.8031   126.5    26.0  20.3  20.5
...
2016 12 23    09 12 00.6 +07 36 02   0.9091  1.7341   132.7    24.6  19.4  20.1
...
2017 01 07    09 22 25.8 +07 27 54   0.6957  1.6049   145.3    20.4  17.4  19.3

Gareth V. Williams           (C) Copyright 2016 MPC           M.P.E.C. 2016-X84

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