[Iaude] MPEC L59: COMET C/2024 L1 (PANSTARRS)

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Wed Jun 5 23:37:33 EDT 2024


M.P.E.C. 2024-L59                                  Issued 2024 June 6, 03:34 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 L1 (PANSTARRS)                           

     R. Weryk reports cometary activity of an asteroidal NEOCP candidate on
a Centaur-like orbit (first reported by Pan-STARRS 2 - F52 on Jun. 1 UT) after
stacking eight 45-second w-band discovery images, noting a condensed 0".5 coma.
Prediscovery positions were reported back to Apr. 2024. Additional reports of
cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

F52  2024-05-06  R. Weryk           0".6                          4x45s
F52  2024-05-29  R. Weryk           0".6                          4x45s
T14  2024-06-02  R. Weryk           0".5      8"    50-140        3x60s

Observations:
    CK24L010 1C2024 04 30.42076816 24 58.579+28 02 50.78         20.54GVEL059G96
    CK24L010 1C2024 04 30.43127816 24 58.003+28 02 51.22         20.57GVEL059G96
    CK24L010 1C2024 04 30.44176516 24 57.323+28 02 50.78         21.69GVEL059G96
    CK24L010  C2024 05 01.42999816 23 59.157+28 03 07.41         21.11GVEL059F51
    CK24L010  C2024 05 02.41092316 23 00.741+28 03 14.33         20.76GVEL059F51
    CK24L010  C2024 05 02.41364616 23 00.566+28 03 14.30         20.61GVEL059F51
    CK24L010  C2024 05 04.57991816 20 49.733+28 02 57.39         21.12GVEL059F51
    CK24L010  C2024 05 06.41515516 18 57.297+28 02 07.96         20.35GVEL059F52
    CK24L010  C2024 05 06.42492916 18 56.690+28 02 07.93         20.73GVEL059F52
    CK24L010  C2024 05 06.43471516 18 56.071+28 02 07.35         20.76GVEL059F52
    CK24L010  C2024 05 06.44448916 18 55.490+28 02 06.96         21.14GVEL059F52
    CK24L010  C2024 05 08.41918816 16 52.796+28 00 35.66         21.87GVEL059F51
    CK24L010 1C2024 05 14.37761416 10 34.558+27 51 56.48         20.93GVEL059G96
    CK24L010 1C2024 05 14.38280616 10 34.216+27 51 55.91         20.87GVEL059G96
    CK24L010 1C2024 05 14.38800116 10 33.884+27 51 54.79         21.09GVEL059G96
    CK24L010 1C2024 05 14.39321516 10 33.582+27 51 54.68         21.09GVEL059G96
    CK24L010 1C2024 05 14.40068016 10 33.100+27 51 53.53         20.82GVEL059G96
    CK24L010 1C2024 05 14.40601516 10 32.740+27 51 52.88         21.07GVEL059G96
    CK24L010 1C2024 05 14.41144316 10 32.372+27 51 52.16         20.99GVEL059G96
    CK24L010  C2024 05 18.50587616 06 08.080+27 42 16.41         21.90GVEL059F51
    CK24L010  C2024 05 21.36680216 03 02.599+27 33 46.22         21.22GVEL059F51
    CK24L010  C2024 05 29.33146015 54 28.355+27 02 20.18         20.96GVEL059F52
    CK24L010  C2024 05 29.34392815 54 27.551+27 02 16.71         21.00GVEL059F52
    CK24L010  C2024 05 29.35641715 54 26.751+27 02 13.16         21.10GVEL059F52
    CK24L010 KC2024 05 31.49754515 52 10.319+26 51 50.12         19.66GVEL059F51
    CK24L010  C2024 06 01.28090315 51 20.893+26 47 49.86         21.62wXEL059F52
    CK24L010  C2024 06 01.29328415 51 20.083+26 47 46.12         21.73wXEL059F52
    CK24L010* C2024 06 01.29458615 51 20.024+26 47 45.69         21.19wXEL059F52
    CK24L010  C2024 06 01.30566215 51 19.301+26 47 42.07         21.54wXEL059F52
    CK24L010  C2024 06 01.30696515 51 19.226+26 47 41.74         21.22wXEL059F52
    CK24L010  C2024 06 01.31806415 51 18.514+26 47 38.22         21.47wXEL059F52
    CK24L010  C2024 06 01.31936715 51 18.442+26 47 37.93         21.26wXEL059F52
    CK24L010  C2024 06 01.50051015 51 06.881+26 46 41.49         21.07GVEL059F52
    CK24L010  C2024 06 01.50116115 51 06.827+26 46 41.17         21.28GVEL059F52
    CK24L010 6C2024 06 02.04897 15 50 32.31 +26 43 47.6          21.3 RVEL059071
    CK24L010 6C2024 06 02.05707 15 50 31.81 +26 43 45.1          21.1 RVEL059071
    CK24L010 !C2024 06 02.25194 15 50 19.68 +26 42 43.4          20.5 GVEL059673
    CK24L010 !C2024 06 02.25852 15 50 19.25 +26 42 41.2                VEL059673
    CK24L010 3C2024 06 02.46396815 50 06.267+26 41 35.48         21.05GVEL059T14
    CK24L010 3C2024 06 02.46518415 50 06.190+26 41 35.03         21.01GVEL059T14
    CK24L010 3C2024 06 02.46640015 50 06.106+26 41 34.64         21.07GVEL059T14
    CK24L010 !C2024 06 03.29025 15 49 14.64 +26 37 05.6          20.4 GVEL059673
    CK24L010 !C2024 06 03.29639 15 49 14.17 +26 37 02.3                VEL059673
    CK24L010 KC2024 06 03.93543415 48 34.39 +26 33 28.1          20.1 GUEL059L06
    CK24L010 KC2024 06 03.94359315 48 33.87 +26 33 25.7          19.9 GUEL059L06
    CK24L010 KC2024 06 03.95524915 48 33.16 +26 33 22.1          20.0 GUEL059L06
    CK24L010 KB2024 06 04.91890 15 47 33.40 +26 27 51.3                qEL059Y66
    CK24L010 KB2024 06 04.92117 15 47 33.30 +26 27 50.8                qEL059Y66
    CK24L010  C2024 06 05.37862715 47 04.898+26 25 10.67         20.99GVEL059V00
    CK24L010  C2024 06 05.38534815 47 04.466+26 25 08.51         20.89GVEL059V00
    CK24L010  C2024 06 05.39095215 47 04.124+26 25 06.24         21.03GVEL059V00
    CK24L010  C2024 06 05.39656315 47 03.761+26 25 04.33         21.26GVEL059V00
    CK24L010 KC2024 06 05.85831 15 46 35.60 +26 22 21.0          20.0 GVEL059C82
    CK24L010 KC2024 06 05.87503 15 46 34.56 +26 22 13.8          19.8 GVEL059C82

Observer details:
071 NAO Rozhen, Smolyan.  Observers A. Kurtenkov, K. Dankov.  Measurer K.
    Dankov.  2.0-m f/2.8 Ritchey-Chretien + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Pittichova.  1.0-m
    f/15 reflector + CCD.
C82 Osservatorio Astronomico Nastro Verde, Sorrento.  Observer N. Ruocco.
    0.35-m f/6.3  Schmidt-Cassegrain + 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.
G96 Mt. Lemmon Survey.  Observers J. B. Fazekas, D. Rankin.  Measurers T.
    Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A.
    D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
    Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m
    reflector + 10K CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea.  Observer G. Ventre.
    Measurers P. Sicoli, G. Ventre.  0.36m Schmidt Cassegrain + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, L.
    Wells, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m f/4.1
    reflector + CCD.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  Measurers M. J. Brucker, C. E.
    Woodward, T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A.
    R. Gibbs, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, C.
    Lejoly, G. J. Leonard, R. A. Mastaler, R. S. McMillan, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic
    CCD.
Y66 Two-Meter Twin Telescope, TTT2, Teide.  Observer M. R. Alarcon.
    Measurer M. Serra-Ricart.  0.80-m f/4.38 reflector + CMO.

Orbital elements:
    C/2024 L1 (PANSTARRS)                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                                         
T 2025 Apr. 23.28179 TT                                 Rudenko                 
q   5.3486430            (2000.0)            P               Q                  
n   0.02566525     Peri.  171.78110     -0.68179627     -0.21242378             
a  11.3825368      Node    45.15747     -0.71470769     +0.39752759             
e   0.5301010      Incl.   99.15189     -0.15603450     -0.89266341             
P  38.4                                                                         
>From 54 observations 2024 Apr. 30-June 5, mean residual 0".3.                   
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2024 05 07    16 18 21.1 +28 01 45   4.9576  5.6709   131.0     7.7  21.0
...
2024 05 22    16 02 21.5 +27 31 41   4.9166  5.6451   132.1     7.6  21.0
...
2024 05 30    15 53 45.7 +26 59 11   4.9198  5.6317   130.6     7.9  21.0
...
2024 06 05    15 47 28.4 +26 27 24   4.9336  5.6219   128.5     8.1  21.0
2024 06 06    15 46 26.8 +26 21 30   4.9368  5.6203   128.1     8.2  21.0
2024 06 07    15 45 25.7 +26 15 27   4.9403  5.6186   127.7     8.2  21.0
...
2024 06 13    15 39 29.3 +25 35 42   4.9667  5.6090   124.8     8.5  21.0
...
2024 06 21    15 32 08.2 +24 34 29   5.0156  5.5964   120.2     9.0  21.0
...
2024 07 06    15 20 31.3 +22 19 18   5.1443  5.5735   109.9     9.9  21.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-L59





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