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  • MPEC 2023-U290 : COMET C/2023 T3 (Fuls)

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    M.P.E.C. 2023-U290                             Issued 2023 October 30, 23:26 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                             COMET C/2023 T3 (Fuls)                          
    
         D. C. Fuls reports the discovery of a comet in survey images taken by
    Mt. Lemmon Survey (G96) on Oct. 15 UT, noting a very condensed 6".2 coma
    and a straight 2" tail at position angle 255 deg. Additional reports of 
    cometary features are as follows:
    
    OC   Date        Reporter           Coma    Tail    PA          Exposures
    
    I52  2023-10-16  J. Hogan           4".2             50-230
    G00  2023-10-18  M. Jaeger          9"       12"    294
    
    Observations:
        CK23T030*1C2023 10 15.47208108 09 17.096-00 42 19.01         18.55GVEU290G96
        CK23T030 1C2023 10 15.47675308 09 17.258-00 42 20.27         18.94GVEU290G96
        CK23T030 1C2023 10 15.48141408 09 17.356-00 42 21.49         18.89GVEU290G96
        CK23T030 1C2023 10 15.48609808 09 17.521-00 42 23.80         19.39GVEU290G96
        CK23T030 mC2023 10 16.41048408 09 42.016-00 48 28.08         19.76GVEU290I52
        CK23T030 mC2023 10 16.41989308 09 42.275-00 48 32.11         19.53GVEU290I52
        CK23T030 mC2023 10 16.42826408 09 42.494-00 48 35.14         19.84GVEU290I52
        CK23T030 mC2023 10 16.43682908 09 42.685-00 48 38.66         19.69GVEU290I52
        CK23T030 0C2023 10 16.50618 08 09 44.50 -00 49 06.1                VEU290U94
        CK23T030 0C2023 10 16.51229 08 09 44.66 -00 49 08.6          19.3 GVEU290U94
        CK23T030 !C2023 10 17.24586 08 10 03.69 -00 53 58.1          19.5 GVEU290J04
        CK23T030 !C2023 10 17.24917 08 10 03.78 -00 53 59.5          19.4 GVEU290J04
        CK23T030 KC2023 10 18.09166 08 10 25.34 -00 59 33.2          20.0 GVEU290G00
        CK23T030 KC2023 10 18.10289 08 10 25.64 -00 59 37.9          20.0 GVEU290G00
        CK23T030 KC2023 10 18.11301 08 10 25.85 -00 59 41.6          20.1 GVEU290G00
        CK23T030 mC2023 10 18.46571208 10 34.802-01 02 01.46         19.54GVEU290I52
        CK23T030 mC2023 10 18.47793408 10 35.101-01 02 06.79         19.20GVEU290I52
        CK23T030 mC2023 10 18.50374208 10 35.756-01 02 16.55         19.54GVEU290I52
        CK23T030 KC2023 10 18.61011 08 10 38.63 -01 02 57.0          19.3 RqEU290E94
        CK23T030 KC2023 10 18.62118 08 10 38.70 -01 02 58.1          19.4 RqEU290E94
        CK23T030 KB2023 10 19.08516 08 10 50.30 -01 06 08.1          19.1 GXEU290M45
        CK23T030 KB2023 10 19.09776 08 10 50.57 -01 06 12.9          19.3 GXEU290M45
        CK23T030 2C2023 10 19.21598 08 10 53.501-01 06 59.90         19.3 GVEU290G40
        CK23T030 2C2023 10 19.22898 08 10 53.774-01 07 04.44         19.4 GVEU290G40
        CK23T030 KC2023 10 20.45109308 11 23.73 -01 15 11.1          18.7 GXEU290858
        CK23T030 KC2023 10 20.46788908 11 24.08 -01 15 17.8          19.7 GXEU290858
        CK23T030 KC2023 10 20.48456508 11 24.40 -01 15 25.3          19.4 GXEU290858
        CK23T030 KC2023 10 21.81114008 11 55.872-01 24 16.20         19.8 VqEU290Q21
        CK23T030 KC2023 10 21.82100708 11 56.023-01 24 19.94         19.3 VqEU290Q21
        CK23T030 KB2023 10 22.12508 08 12 03.194-01 26 20.51         19.2 GXEU290K74
        CK23T030 KB2023 10 22.14470 08 12 03.636-01 26 29.40         19.8 GXEU290K74
        CK23T030 KB2023 10 22.16468 08 12 04.063-01 26 36.92         19.6 GXEU290K74
        CK23T030 KC2023 10 24.33638708 12 52.97 -01 41 10.2          18.8 GXEU290W62
        CK23T030 KC2023 10 24.34273408 12 53.13 -01 41 12.4          18.9 GXEU290W62
        CK23T030 KC2023 10 24.34872508 12 53.27 -01 41 15.2          18.9 GXEU290W62
        CK23T030 KC2023 10 25.59349 08 13 19.95 -01 49 36.1          19.4 RqEU290E94
        CK23T030 KC2023 10 25.61258 08 13 20.30 -01 49 42.1          19.4 RqEU290E94
        CK23T030 KC2023 10 25.63122 08 13 20.71 -01 49 49.4          19.5 RqEU290E94
        CK23T030 KC2023 10 25.64986 08 13 21.10 -01 49 58.1          19.4 RqEU290E94
        CK23T030 KC2023 10 25.90898908 13 26.72 -01 51 43.4          19.6  VEU290N51
        CK23T030 KC2023 10 25.93973508 13 27.29 -01 51 55.8          19.6  VEU290N51
        CK23T030 KC2023 10 26.34109 08 13 35.69 -01 54 35.7          18.9 GVEU290X03
        CK23T030 KC2023 10 26.35000 08 13 35.88 -01 54 40.2          19.1 GVEU290X03
        CK23T030 KC2023 10 26.35780 08 13 36.05 -01 54 42.5          18.9 GVEU290X03
        CK23T030 KC2023 10 26.36449 08 13 36.16 -01 54 46.1          18.9 GVEU290X03
        CK23T030 KC2023 10 26.37117 08 13 36.30 -01 54 47.2          19.4 GVEU290X03
    
    Observer details:
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.16-m f/7
        Refractor + CCD.
    E94 Possum Observatory, Gisborne.  Observer J. Drummond.  0.41-m f/4.5
        Newtonian + CCD.
    G00 AZM Martinsberg, Oed.  Observers M. Jaeger, E. Prosperi, S. Prosperi.
        Measurer M. Jaeger.  0.3-m f/4.0 reflector + CCD.
    G40 Slooh.com Canary Islands Observatory.  Observer N. Paul.  0.5-m f/6.8
        Corrected Dall-KIrkham + CCD.
    G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  Measurers E. C. Beshore, 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers J. K. Hogan, G. J.
        Leonard.  Measurers E. C. Beshore, 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.  1.0-m prime focus + CCD.
    J04 ESA Optical Ground Station, Tenerife.  Observers P. Ruiz, M. Micheli, F.
        Ocana, L. Conversi.  Measurers R. Kresken, M. Micheli, F. Ocana, A.
        Knofel, M. Busch, E. Schwab.  1.0-m f/4.4 reflector + CCD.
    K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.20-m
        f/1.5 Schmidt + CMO.
    M45 Starhopper Observatory, Sfantu Gheorghe.  Observer F. Ursache.  0.41-m
        f/7.5 reflector + CMO.
    N51 GROWTH India Telescope, IAO, Hanle.  Observers Y. Wagh, R. Kumar, R.
        Sharma, V. Swain, K. Angail, V. Bhalerao, G. C. Anupama, S. Barway.
        Measurer Y. Wagh.  0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
    Q21 Southern Utsunomiya.  Observer H. Nohara.  0.4-m f/3.8 Astrograph + CCD.
    U94 iTelescope Observatory, Beryl Junction.  Observer H. Sato.  0.51-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    W62 Comet Hunter Observatory2, New Ringgold.  Observer J. Maikner.  0.30-m
        f/3.8 Riccardi-Honders + CCD.
    X03 Observatoire SADR, Poroto.  Observers J. L. Virlichie, P. Traverse, H.
        Roy.  Measurer J. L. Virlichie.  0.36-m f/4.8 reflector + CCD.
    
    Orbital elements:
        C/2023 T3 (Fuls)                                                            
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                                        
    T 2025 Jan. 28.72477 TT                                 Rudenko                 
    q   3.4486774            (2000.0)            P               Q                  
    z  +0.0051265      Peri.  305.09121     -0.89994259     +0.13029807             
     +/-0.0160199      Node   245.74842     -0.05799049     -0.98159397             
    e   0.9823204      Incl.   27.15228     -0.43213474     -0.13962699             
    From 46 observations 2023 Oct. 15-26, mean residual 0".3.                       
                                                                                    
    Ephemeris:
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
    2023 09 30    08 01 26.2 +00 55 58   5.8104  5.4707    65.5     9.6  19.7
    ...
    2023 10 15    08 09 04.4 -00 39 12   5.5091  5.3772    77.2    10.4  19.5
    ...
    2023 10 23    08 12 23.1 -01 32 11   5.3446  5.3276    83.7    10.7  19.4
    ...
    2023 10 29    08 14 28.5 -02 12 34   5.2208  5.2905    88.6    10.8  19.3
    2023 10 30    08 14 47.4 -02 19 20   5.2002  5.2844    89.4    10.8  19.3
    2023 10 31    08 15 05.6 -02 26 06   5.1796  5.2782    90.3    10.8  19.3
    ...
    2023 11 06    08 16 41.5 -03 06 51   5.0566  5.2413    95.3    10.9  19.2
    ...
    2023 11 14    08 18 12.1 -04 01 04   4.8950  5.1922   102.0    10.7  19.1
    ...
    2023 11 29    08 18 58.2 -05 39 34   4.6063  5.1008   114.9    10.1  18.9
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U290
    


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