[Iaude] MPEC C177: COMET C/2024 C1 (PANSTARRS)

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed Feb 14 23:19:30 EST 2024


M.P.E.C. 2024-C177                            Issued 2024 February 15, 04:16 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                          COMET C/2024 C1 (PANSTARRS)                           

     R. Weryk reports the discovery of a comet in four 45-second w-band survey
images taken on Feb. 9 UT by Pan-STARRS 2 (F52), noting a very condensed 0".2
coma and a straight 6" tail at position angle 285 deg. Prediscovery positions
from Pan-STARRS 2 were reported back to Dec. 2023. Additional reports of
cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

F52  2024-01-20  R. Weryk           0".3      3"    280           4x45s
F52  2024-02-04  R. Weryk           0".1      4"    280           4x45s
F52  2024-02-10  R. Weryk           0".2      5"    285           4x45s

Observations:
    CK24C010  C2023 12 12.56976510 51 47.210+21 42 09.64         22.77GVEC177F52
    CK24C010  C2023 12 12.58330210 51 47.556+21 42 11.21         22.19GVEC177F52
    CK24C010  C2023 12 12.59692110 51 47.839+21 42 12.80         22.52GVEC177F52
    CK24C010  C2024 01 20.45930410 56 37.639+23 47 06.95         21.41GVEC177F52
    CK24C010  C2024 01 20.47168410 56 37.503+23 47 10.31         21.43GVEC177F52
    CK24C010  C2024 01 20.48412110 56 37.370+23 47 13.66         21.37GVEC177F52
    CK24C010  C2024 01 20.49664610 56 37.269+23 47 16.91         21.59GVEC177F52
    CK24C010  C2024 01 21.45856910 56 28.316+23 51 32.57         21.08GVEC177F51
    CK24C010  C2024 01 21.47150210 56 28.175+23 51 35.98         22.13GVEC177F51
    CK24C010  C2024 02 04.41306310 52 59.203+24 55 11.10         21.11GVEC177F52
    CK24C010  C2024 02 04.42540410 52 58.948+24 55 14.48         20.72GVEC177F52
    CK24C010  C2024 02 04.43768210 52 58.685+24 55 18.10         20.89GVEC177F52
    CK24C010  C2024 02 04.45001210 52 58.442+24 55 21.46         20.90GVEC177F52
    CK24C010* C2024 02 09.40398610 51 12.815+25 17 43.22         21.20wXEC177F52
    CK24C010  C2024 02 09.41691310 51 12.509+25 17 46.77         21.13wXEC177F52
    CK24C010  C2024 02 09.42983410 51 12.209+25 17 50.20         21.25wXEC177F52
    CK24C010  C2024 02 09.44280110 51 11.896+25 17 53.84         21.22wXEC177F52
    CK24C010  C2024 02 09.52931910 51 09.851+25 18 16.84         21.26GVEC177F52
    CK24C010  C2024 02 09.53013910 51 09.817+25 18 17.03         21.17GVEC177F52
    CK24C010  C2024 02 10.36329610 50 50.805+25 21 58.07         21.26wXEC177F52
    CK24C010  C2024 02 10.37691410 50 50.475+25 22 01.92         21.22wXEC177F52
    CK24C010  C2024 02 10.39056910 50 50.156+25 22 05.31         21.12wXEC177F52
    CK24C010  C2024 02 10.40419710 50 49.836+25 22 08.92         21.40wXEC177F52
    CK24C010 0C2024 02 11.49669 10 50 23.91 +25 26 56.2                VEC177U94
    CK24C010 0C2024 02 11.50580 10 50 23.69 +25 26 58.5          20.8 GVEC177U94
    CK24C010  C2024 02 13.56663510 49 33.835+25 35 53.30         21.02wXEC177F52
    CK24C010  C2024 02 13.57714110 49 33.567+25 35 55.91         21.31wXEC177F52
    CK24C010  C2024 02 13.58758010 49 33.299+25 35 58.60         21.18wXEC177F52
    CK24C010  C2024 02 13.59799810 49 33.029+25 36 01.27         21.00wXEC177F52
    CK24C010  C2024 02 13.66260010 49 31.387+25 36 17.48         21.68GVEC177F52
    CK24C010 KC2024 02 15.12040210 48 54.94 +25 42 26.7          20.8 GVEC177L01
    CK24C010 KC2024 02 15.12546210 48 54.80 +25 42 28.1          21.2 GVEC177L01
    CK24C010 KC2024 02 15.13051910 48 54.71 +25 42 29.1          21.2 GVEC177L01
    CK24C010 KC2024 02 15.13621410 48 54.54 +25 42 30.2          21.4 GVEC177L01

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
U94 iTelescope Observatory, Beryl Junction.  Observer H. Sato.  0.43-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.

Orbital elements:
    C/2024 C1 (PANSTARRS)                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                                         
T 2024 Aug. 31.27918 TT                                 Rudenko                 
q   4.4121322            (2000.0)            P               Q                  
n   0.02873144     Peri.   94.52442     -0.96918288     -0.03148485             
a  10.5575822      Node    83.80920     -0.07379591     -0.90914333             
e   0.5820888      Incl.   14.22647     +0.23502916     -0.41529160             
P  34.3                                                                         
>From 34 observations 2023 Dec. 12-2024 Feb. 15, mean residual 0".2.             
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2024 01 16    10 57 09.2 +23 27 48   3.8723  4.6338   136.3     8.4  21.1
...
2024 01 31    10 54 20.3 +24 34 56   3.7240  4.6066   150.4     6.1  21.0
...
2024 02 08    10 51 44.1 +25 11 27   3.6683  4.5927   157.1     4.8  20.9
...
2024 02 14    10 49 23.2 +25 37 44   3.6382  4.5826   160.9     4.0  20.9
2024 02 15    10 48 58.1 +25 41 57   3.6342  4.5810   161.4     3.9  20.9
2024 02 16    10 48 32.6 +25 46 07   3.6305  4.5793   161.8     3.9  20.9
...
2024 02 22    10 45 53.2 +26 09 47   3.6144  4.5696   163.1     3.6  20.9
...
2024 03 01    10 42 10.2 +26 36 56   3.6090  4.5570   160.9     4.1  20.9
...
2024 03 16    10 35 25.4 +27 10 06   3.6474  4.5347   149.8     6.3  20.9

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-C177





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