[Iaude] MPEC D97: COMET C/2024 C3 (PANSTARRS)

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed Feb 21 02:56:16 EST 2024


M.P.E.C. 2024-D97                             Issued 2024 February 21, 07:53 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 C3 (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 diffuse coma and
a straight 3" tail at position angle 270 deg. Prediscovery positions from
Pan-STARRS 1 and Pan-STARRS 2 were reported back to Mar. 2023. Additional
reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

Q62  2024-02-13  H. Sato            4"              315          12x120s
W62  2024-02-18  J. Maikner         3"        5"     35          60x120s
T12  2024-02-20  Y. Ramanjooloo     2".1      3".9  300           4x120s

Observations:
    CK24C030  C2023 03 18.26032709 53 12.001+28 34 55.03         20.86GVED097F52
    CK24C030  C2023 03 18.27295109 53 11.734+28 34 54.51         22.14GVED097F52
    CK24C030  C2023 03 18.28559109 53 11.433+28 34 53.36         22.16GVED097F52
    CK24C030  C2023 03 18.29831509 53 11.170+28 34 52.38         21.05GVED097F52
    CK24C030  C2023 03 25.25372209 50 57.877+28 24 22.87         21.96GVED097F51
    CK24C030  C2023 03 25.26442809 50 57.696+28 24 21.49         22.10GVED097F51
    CK24C030  C2023 03 25.27520709 50 57.501+28 24 20.46         22.13GVED097F51
    CK24C030  C2023 03 25.28594809 50 57.321+28 24 19.68         21.35GVED097F51
    CK24C030  C2023 12 17.59766811 40 36.139+09 30 10.98         21.58GVED097F52
    CK24C030  C2023 12 17.61010811 40 36.285+09 30 09.72         21.19GVED097F52
    CK24C030  C2023 12 17.62258811 40 36.450+09 30 07.94         22.27GVED097F52
    CK24C030  C2023 12 17.63511511 40 36.580+09 30 06.60         21.57GVED097F52
    CK24C030* C2024 02 09.46625611 36 55.050+09 08 36.39         21.70wXED097F52
    CK24C030  C2024 02 09.48979211 36 54.609+09 08 37.54         21.42wXED097F52
    CK24C030  C2024 02 09.50172111 36 54.385+09 08 37.91         21.96wXED097F52
    CK24C030  C2024 02 10.26975511 36 40.10 +09 09 11.3          21.0 VWED097X09
    CK24C030  C2024 02 10.28370111 36 39.83 +09 09 11.8          21.4 VWED097X09
    CK24C030 0C2024 02 10.37354 11 36 38.10 +09 09 14.9                VED097X07
    CK24C030 0C2024 02 10.38146 11 36 37.96 +09 09 15.0          21.4 GVED097X07
    CK24C030  C2024 02 11.23725411 36 21.86 +09 09 51.1                WED097X09
    CK24C030  C2024 02 11.24772311 36 21.70 +09 09 52.2                WED097X09
    CK24C030  C2024 02 11.47147311 36 17.393+09 09 59.68         21.55GVED097F52
    CK24C030  C2024 02 11.47229211 36 17.386+09 09 59.68         21.65GVED097F52
    CK24C030  C2024 02 13.14437211 35 44.78 +09 11 14.4                WED097X09
    CK24C030  C2024 02 13.15657811 35 44.53 +09 11 14.5                WED097X09
    CK24C030  C2024 02 13.17052211 35 44.27 +09 11 15.0                WED097X09
    CK24C030 1C2024 02 13.71626 11 35 33.28 +09 11 39.6                VED097Q62
    CK24C030 1C2024 02 13.72555 11 35 33.08 +09 11 39.8          21.0 GVED097Q62
    CK24C030 KC2024 02 16.42157 11 34 37.67 +09 13 45.0          21.1 RVED097691
    CK24C030 KC2024 02 16.43247 11 34 37.45 +09 13 45.5                VED097691
    CK24C030 KC2024 02 16.44337 11 34 37.18 +09 13 45.2          21.1 RVED097691
    CK24C030 KC2024 02 17.46084 11 34 15.56 +09 14 34.7          20.6 RVED097291
    CK24C030 KC2024 02 17.47384 11 34 15.31 +09 14 35.7          20.6 RVED097291
    CK24C030 KC2024 02 17.48684 11 34 15.04 +09 14 35.8          20.7 RVED097291
    CK24C030 KC2024 02 18.18914911 34 00.02 +09 15 10.1                XED097W62
    CK24C030 KC2024 02 18.21230011 33 59.53 +09 15 11.0          19.9 GXED097W62
    CK24C030 KC2024 02 18.23474311 33 59.01 +09 15 12.0          19.9 GXED097W62
    CK24C030 KC2024 02 18.35355 11 33 56.46 +09 15 17.7          21.4 RVED097691
    CK24C030 KC2024 02 18.37535 11 33 55.95 +09 15 18.6          21.0 RVED097691
    CK24C030 KC2024 02 18.39716 11 33 55.51 +09 15 19.1          21.2 RVED097691
    CK24C030 1C2024 02 20.46491411 33 10.066+09 17 02.75         21.20GVED097T12
    CK24C030 1C2024 02 20.46680411 33 10.007+09 17 02.80         21.12GVED097T12
    CK24C030 1C2024 02 20.46847411 33 09.981+09 17 02.88         21.17GVED097T12
    CK24C030 1C2024 02 20.47023411 33 09.945+09 17 02.86         21.22GVED097T12

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer J. V. Scotti.  0.9-m
    f/3 reflector + CCD.
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.
Q62 iTelescope Observatory, Siding Spring.  Observer H. Sato.  0.51-m f/6.8
    astrograph + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer Y.
    Ramanjooloo.  Measurers R. Weryk, Y. Ramanjooloo, J. Fairlamb, R.
    Wainscoat.  2.24-m f/10.1 reflector + CCD.
W62 Comet Hunter Observatory2, New Ringgold.  Observer J. Maikner.  0.30-m
    f/3.8 Riccardi-Honders + CCD.
X07 iTelescope Deep Sky Chile, Rio Hurtado.  Observer H. Sato.  0.51-m f/6.8
    astrograph + CCD.
X09 Deep Random Survey, Rio Hurtado.  Observers A. Schnabel, D. Ruhela.
    Measurer S. Deen.  0.43-m reflector + CMOS.

Orbital elements:
    C/2024 C3 (PANSTARRS)                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                                         
T 2023 Nov. 8.32494 TT                                  Rudenko                 
q   6.7124487            (2000.0)            P               Q                  
n   0.02481686     Peri.  159.66933     -0.93605387     -0.35185133             
a  11.6404953      Node   359.70787     +0.24614453     -0.65085792             
e   0.4233537      Incl.   22.46633     +0.25142797     -0.67274409             
P  39.7                                                                         
>From 44 observations 2023 Mar. 18-2024 Feb. 20, mean residual 0".3.             
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2024 01 22    11 41 12.6 +09 01 26   6.0607  6.7202   128.7     6.6  21.2
...
2024 02 06    11 37 56.1 +09 06 27   5.8960  6.7236   144.5     4.9  21.1
...
2024 02 14    11 35 27.6 +09 11 52   5.8303  6.7257   153.1     3.8  21.1
...
2024 02 20    11 33 20.4 +09 16 40   5.7926  6.7274   159.5     3.0  21.1
2024 02 21    11 32 58.1 +09 17 30   5.7874  6.7276   160.5     2.8  21.1
2024 02 22    11 32 35.5 +09 18 20   5.7824  6.7279   161.6     2.7  21.1
...
2024 02 28    11 30 14.9 +09 23 27   5.7588  6.7297   167.7     1.8  21.1
...
2024 03 07    11 26 57.8 +09 30 02   5.7443  6.7323   174.2     0.9  21.1
...
2024 03 22    11 20 44.3 +09 39 21   5.7708  6.7376   164.8     2.2  21.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-D97





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