[Iaude] MPEC Y60: COMET P/2023 Y1 (Gibbs)

Tue Dec 19 15:49:40 EST 2023

M.P.E.C. 2023-Y60                             Issued 2023 December 19, 20:45 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 P/2023 Y1 (Gibbs)                             

     A. R. Gibbs reports the discovery of a comet in four survey images taken
on Dec. 17 UT by Mt. Lemmon Survey (G96), noting a condensed 5" coma and
a straight 5" tail at position angle 285 deg. Prediscovery positions were
reported on Nov. 2023. Additional reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

G96  2023-12-17  A. R. Gibbs        6"       25"    290           4x80s
F52  2023-12-17  R. Weryk           0".4      5"    290           4x45s

Observations:
    PK23Y010  C2023 11 24.60327410 40 42.575+14 02 43.16         21.76wXEY060F52
    PK23Y010  C2023 11 24.61177810 40 43.439+14 02 40.34         21.95wXEY060F52
    PK23Y010  C2023 11 24.62025310 40 44.254+14 02 37.31         21.52wXEY060F52
    PK23Y010  C2023 11 24.62872710 40 45.114+14 02 33.93         21.76wXEY060F52
    PK23Y010*1C2023 12 17.50149211 15 19.512+12 09 13.90               VEY060G96
    PK23Y010 1C2023 12 17.50664811 15 19.908+12 09 13.00         20.42GVEY060G96
    PK23Y010 1C2023 12 17.51180611 15 20.380+12 09 12.24         20.73GVEY060G96
    PK23Y010 1C2023 12 17.53334611 15 22.000+12 09 07.20         20.10GVEY060G96
    PK23Y010 1C2023 12 17.53434011 15 22.000+12 09 06.90               VEY060G96
    PK23Y010 1C2023 12 17.53533311 15 22.100+12 09 07.00               VEY060G96
    PK23Y010 1C2023 12 17.53632711 15 22.200+12 09 06.60               VEY060G96
    PK23Y010  C2023 12 17.59312511 15 26.813+12 08 55.46         20.86wXEY060F52
    PK23Y010  C2023 12 17.60553611 15 27.765+12 08 52.84         20.56wXEY060F52
    PK23Y010  C2023 12 17.61802711 15 28.730+12 08 49.97         20.81wXEY060F52
    PK23Y010  C2023 12 17.63055111 15 29.690+12 08 47.15         21.07wXEY060F52
    PK23Y010 KC2023 12 18.06968211 16 04.04 +12 07 12.3          21.0 GVEY060L01
    PK23Y010 KC2023 12 18.07220511 16 04.30 +12 07 11.0          20.9 GVEY060L01
    PK23Y010 KC2023 12 18.07472811 16 04.50 +12 07 10.8          21.1 GVEY060L01
    PK23Y010 KC2023 12 18.14351 11 16 09.66 +12 06 57.3          20.1 GVEY060G00
    PK23Y010 KC2023 12 18.15484 11 16 10.53 +12 06 54.3          20.2 GVEY060G00
    PK23Y010 KC2023 12 19.10251 11 17 23.71 +12 03 40.3          20.4 GVEY060G00
    PK23Y010 KC2023 12 19.10437 11 17 23.84 +12 03 39.8          20.0 GVEY060G00
    PK23Y010 KC2023 12 19.10993 11 17 24.19 +12 03 39.7          20.1 GVEY060G00

Observer details:
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.
G00 AZM Martinsberg, Oed.  Observers M. Jaeger, E. Prosperi, S. Prosperi.
    Measurer M. Jaeger.  0.3-m f/4.0 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
    P/2023 Y1 (Gibbs)                                                           
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                                        
T 2023 Nov. 29.03062 TT                                 Bell                    
q   2.0640538            (2000.0)            P               Q                  
n   0.14855953     Peri.   51.47132     -0.63498128     -0.76491792             
a   3.5307669      Node    78.29582     +0.66995910     -0.61496386             
e   0.4154092      Incl.    6.34184     +0.38464734     -0.19162470             
P   6.63                                                                        
>From 23 observations 2023 Nov. 24-Dec. 19, mean residual 0".4.                  
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2023 11 19    10 31 02.2 +14 37 50   1.9552  2.0655    82.1    28.3  21.7
...
2023 12 04    10 55 57.0 +13 09 23   1.7964  2.0644    91.0    28.5  21.5
...
2023 12 12    11 07 49.8 +12 31 00   1.7139  2.0665    96.2    28.3  21.4
...
2023 12 18    11 15 58.4 +12 07 30   1.6535  2.0692   100.2    27.9  21.4
2023 12 19    11 17 15.7 +12 04 04   1.6436  2.0698   100.9    27.8  21.3
2023 12 20    11 18 31.7 +12 00 48   1.6338  2.0703   101.6    27.7  21.3
...
2023 12 26    11 25 40.8 +11 44 17   1.5757  2.0745   106.0    27.1  21.3
...
2024 01 03    11 33 55.1 +11 31 27   1.5018  2.0815   112.1    26.0  21.2
...
2024 01 18    11 44 42.6 +11 38 42   1.3775  2.0995   124.7    22.7  21.0

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-Y60