[Iaude] MPEC O41: COMET C/2024 N4 (Sarneczky)

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Tue Jul 23 20:06:52 EDT 2024


M.P.E.C. 2024-O41                                 Issued 2024 July 24, 00:04 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 N4 (Sarneczky)                           

     K. Sarneczky reports the discovery of a comet in images taken by GINOP-KHK
(K88) on Jul. 14 UT, noting a condensed 8" coma. Additional reports of cometary
features areas follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

G00  2024-07-15  M. Jaeger         15"
U94  2024-07-17  H. Sato            8"                            14x60s
204  2024-07-18  A. Aletti          8"                           336x30s
K88  2024-07-19  K. Sarneczky       8"       10"    290-340       18x60s
J95  2024-07-22  P. Birtwhistle     8"                           148x12s

Observations:
    CK24N040* C2024 07 14.96106 05 41 35.77 +66 21 09.9          19.0 RvEO041K88
    CK24N040  C2024 07 14.97026 05 41 37.24 +66 21 11.1          19.2 RvEO041K88
    CK24N040  C2024 07 14.97945 05 41 38.56 +66 21 12.2          18.9 RvEO041K88
    CK24N040 KC2024 07 14.99494 05 41 40.67 +66 21 14.3          19.2 RvEO041K88
    CK24N040 KC2024 07 15.00026 05 41 41.43 +66 21 14.2          19.1 RvEO041K88
    CK24N040 KC2024 07 15.00557 05 41 42.07 +66 21 15.5          18.9 RvEO041K88
    CK24N040 KC2024 07 15.01148 05 41 43.00 +66 21 15.9          18.9 RvEO041K88
    CK24N040 KC2024 07 15.01680 05 41 43.74 +66 21 17.1          19.3 RvEO041K88
    CK24N040 KC2024 07 15.02806 05 41 45.33 +66 21 18.3          18.9 RvEO041K88
    CK24N040 KC2024 07 15.03382 05 41 46.12 +66 21 18.9          19.1 RvEO041K88
    CK24N040 KC2024 07 15.84516 05 43 39.02 +66 22 53.9          18.7 VZEO041M38
    CK24N040 KC2024 07 15.86893 05 43 42.70 +66 22 55.5          18.7 VZEO041M38
    CK24N040 KC2024 07 15.88650 05 43 45.04 +66 22 57.8          18.5 GXEO041G02
    CK24N040 KC2024 07 15.90340 05 43 47.32 +66 23 00.5          18.7 GXEO041G02
    CK24N040 KC2024 07 15.93188 05 43 51.37 +66 23 04.0          19.1 GVEO041K51
    CK24N040 KC2024 07 15.94325 05 43 53.04 +66 23 05.3          19.2 GVEO041K51
    CK24N040 KC2024 07 15.95398 05 43 54.53 +66 23 06.5          19.2 GVEO041K51
    CK24N040 KC2024 07 15.96036 05 43 55.42 +66 23 07.7          18.8 RoEO041K88
    CK24N040 KC2024 07 15.96435 05 43 56.03 +66 23 07.6          18.9 RoEO041K88
    CK24N040 KC2024 07 15.96701 05 43 56.34 +66 23 07.3          18.9 RoEO041K88
    CK24N040 KB2024 07 15.98081 05 43 58.25 +66 23 09.8          18.9 GXEO041G00
    CK24N040 KB2024 07 15.98703 05 43 59.13 +66 23 09.7          18.9 GXEO041G00
    CK24N040 KC2024 07 16.00317 05 44 01.42 +66 23 12.5          18.5 RoEO041K88
    CK24N040 KC2024 07 16.00937 05 44 02.18 +66 23 13.6          18.7 RoEO041K88
    CK24N040 KB2024 07 16.01705 05 44 03.44 +66 23 13.8          19.3 VZEO041M45
    CK24N040 KB2024 07 16.02358 05 44 04.29 +66 23 15.0                ZEO041M45
    CK24N040 KC2024 07 16.05947105 44 09.17 +66 23 19.3          19.2 GVEO041L01
    CK24N040 KC2024 07 16.06400705 44 09.90 +66 23 19.8          18.8 GVEO041L01
    CK24N040 KC2024 07 16.06791905 44 10.47 +66 23 20.7          19.1 GVEO041L01
    CK24N040 KC2024 07 16.07127805 44 10.98 +66 23 20.6          18.6 GVEO041L01
    CK24N040 7C2024 07 16.10935105 44 16.262+66 23 25.37         16.9 GVEO041Z84
    CK24N040 7C2024 07 16.11251105 44 16.744+66 23 25.66               VEO041Z84
    CK24N040 7C2024 07 16.11566805 44 17.148+66 23 25.88               VEO041Z84
    CK24N040 KC2024 07 16.94001805 46 11.974+66 25 00.48         18.5 GVEO041J95
    CK24N040 KC2024 07 16.94317205 46 12.434+66 25 01.02         19.2 GVEO041J95
    CK24N040 KC2024 07 16.94631705 46 12.866+66 25 01.09         18.9 GVEO041J95
    CK24N040 KC2024 07 16.94891 05 46 13.21 +66 25 02.0          19.0 RoEO041K88
    CK24N040 KC2024 07 16.94946005 46 13.308+66 25 01.88         19.2 GVEO041J95
    CK24N040 KC2024 07 16.95520 05 46 14.14 +66 25 02.6          19.0 RoEO041K88
    CK24N040 KC2024 07 16.96551 05 46 15.74 +66 25 04.0          18.8 GXEO041K83
    CK24N040 KC2024 07 16.96586 05 46 15.54 +66 25 04.0          19.1 RoEO041K88
    CK24N040 KC2024 07 16.97384 05 46 16.77 +66 25 05.3          19.2 RoEO041K88
    CK24N040 KC2024 07 16.97569 05 46 17.13 +66 25 05.6          19.0 GXEO041K83
    CK24N040 0C2024 07 17.44303 05 47 22.36 +66 25 58.8                VEO041U94
    CK24N040 0C2024 07 17.44880 05 47 23.09 +66 25 59.4          18.6 GVEO041U94
    CK24N040 KB2024 07 17.78076 05 48 09.20 +66 26 37.4          18.9 GVEO041P13
    CK24N040 KB2024 07 17.79858 05 48 11.73 +66 26 38.8          18.9 GVEO041P13
    CK24N040 KB2024 07 17.96966 05 48 35.69 +66 26 57.9          20.0 GVEO041204
    CK24N040 KC2024 07 17.97766 05 48 36.68 +66 26 58.8          19.0 GVEO041204
    CK24N040 KB2024 07 17.99377 05 48 39.01 +66 27 00.6                VEO041204
    CK24N040 KC2024 07 18.01984 05 48 42.63 +66 27 04.0          19.1 GVEO041204
    CK24N040 KC2024 07 18.06205 05 48 48.59 +66 27 08.5          19.0 GVEO041204
    CK24N040 KC2024 07 18.89881 05 50 44.93 +66 28 43.1          19.5 VqEO041126
    CK24N040 KC2024 07 18.90583 05 50 45.68 +66 28 44.1          19.5 VqEO041126
    CK24N040 KC2024 07 18.91242 05 50 46.87 +66 28 43.5          19.5 VqEO041126
    CK24N040 KB2024 07 18.94661805 50 51.638+66 28 47.23         18.9 GXEO041B72
    CK24N040 KB2024 07 18.95314905 50 52.537+66 28 47.42         18.5 GXEO041B72
    CK24N040 KB2024 07 18.96004105 50 53.552+66 28 48.39         18.7 GXEO041B72
    CK24N040 KC2024 07 18.97941 05 50 56.22 +66 28 51.3          18.8 RoEO041K88
    CK24N040 KC2024 07 18.98739 05 50 57.27 +66 28 52.3          18.8 RoEO041K88
    CK24N040 KC2024 07 18.99808 05 50 58.85 +66 28 53.8          19.0 RoEO041K88
    CK24N040 KC2024 07 19.00607 05 50 59.94 +66 28 54.3          19.2 RoEO041K88
    CK24N040 KC2024 07 19.01644 05 51 01.34 +66 28 55.8          19.1 RoEO041K88
    CK24N040 KC2024 07 19.02442 05 51 02.49 +66 28 56.4          19.1 RoEO041K88
    CK24N040 KC2024 07 20.01273 05 53 19.94 +66 30 45.1                oEO041K88
    CK24N040 KC2024 07 20.01872 05 53 20.76 +66 30 46.0                oEO041K88
    CK24N040 KC2024 07 20.03926 05 53 23.68 +66 30 48.5          18.9 RoEO041K88
    CK24N040 KB2024 07 21.04237405 55 43.130+66 32 36.89         19.2 VZEO041K74
    CK24N040 KB2024 07 21.07401505 55 47.551+66 32 39.98         19.1 VZEO041K74
    CK24N040 KB2024 07 21.07928705 55 48.245+66 32 40.67         19.0 VZEO041K74
    CK24N040 KC2024 07 22.03538905 58 00.910+66 34 22.44         18.5 GVEO041J95
    CK24N040 KC2024 07 22.04780005 58 02.666+66 34 23.77         19.1 GVEO041J95

Observer details:
126 Monte Viseggi.  Observers L. Sannino, A. Mancuso, S. Mercanti.  Measurers
    L. Sannino, A. Mancuso.  0.41-m f/7.5 reflector + CCD.
204 Schiaparelli Observatory.  Observers L. Buzzi, A. Aletti.  Measurers L.
    Buzzi, A. Aletti, M. Auteri.  0.84-m f/3.5 reflector + CMO, 0.36-m f/7.5
    reflector + CCD.
B72 Soerth Observatory.  Observer B. Koch.  0.36-m f/7.6 reflector + CMO.
G00 AZM Martinsberg, Oed.  Observers M. Jaeger, E. Prosperi.  Measurer M.
    Jaeger.  0.40-m f/3.2 reflector + CMO.
G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.  0.40-m
    f/6.8 Corrected Dall-Kirkham + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
K51 Osservatorio del Celado, Castello Tesino.  Observer M. Campestrin.  0.80-m
    f/4 reflector + CCD.
K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.30-m
    f/3.75 reflector + CMO.
K83 Beppe Forti Astronomical Observatory, Montelupo.  Observers M. Tombelli,
    F. Cheli, A. Mazzanti.  Measurers M. Tombelli, F. Bernardi, A. Squilloni,
    F. Cheli.  0.40-m f/8 Ritchey-Chretien + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, L. Poropat.  Measurer
    K. Korlevic.  1.0-m f/2.9 reflector + CCD.
M38 Harsona Observatory, Nyiregyhaza.  Observer T. Elek.  0.20-m f/3 reflector
    + CCD.
M45 Starhopper Observatory, Sfantu Gheorghe.  Observer F. Ursache.  0.41-m
    f/7.5 reflector + CMO.
P13 Baihuashan Observatory, Beijing.  Observers Z. Wang, B. Liu.  Measurer Z.
    Wang.  0.28-m f/2.2 reflector + CMO.
U94 iTelescope Observatory, Beryl Junction.  Observer H. Sato.  0.43-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.
Z84 Calar Alto-Schmidt.  Observers F. Ocana, R. Kresken, M. Micheli, L.
    Conversi.  Measurers F. Ocana, M. Micheli.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
    C/2024 N4 (Sarneczky)                                                       
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                                         
T 2025 Jan. 11.50619 TT                                 Rudenko                 
q   5.3802475            (2000.0)            P               Q                  
z  +0.0057012      Peri.  116.87940     -0.22140213     -0.93762467             
 +/-0.0079736      Node   339.45925     +0.36905193     +0.17384929             
e   0.9693263      Incl.   49.80911     +0.90265263     -0.30105880             
>From 72 observations 2024 July 14-22, mean residual 0".4.                       
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2024 06 24    04 52 50.4 +65 32 40   6.2629  5.5766    44.0     7.3  18.9
...
2024 07 09    05 27 42.3 +66 08 49   6.1932  5.5490    46.9     7.7  18.9
...
2024 07 17    05 46 20.2 +66 25 09   6.1470  5.5351    49.1     8.0  18.9
...
2024 07 23    06 00 14.5 +66 36 04   6.1083  5.5251    51.0     8.2  18.9
2024 07 24    06 02 33.0 +66 37 47   6.1016  5.5234    51.3     8.3  18.8
2024 07 25    06 04 51.2 +66 39 28   6.0948  5.5218    51.6     8.3  18.8
...
2024 07 31    06 18 36.2 +66 49 02   6.0518  5.5122    53.7     8.5  18.8
...
2024 08 08    06 36 39.2 +67 00 29   5.9898  5.4998    56.8     8.9  18.8
...
2024 08 23    07 09 13.6 +67 19 09   5.8600  5.4783    63.2     9.5  18.7

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O41





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