[Iaude] MPEC A148: COMET P/2023 Y2 (Gibbs)

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Jan 12 22:24:35 EST 2024


M.P.E.C. 2024-A148                             Issued 2024 January 13, 03:19 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 Y2 (Gibbs)                             

     A. R. Gibbs reports the discovery of a comet in survey images taken on
Dec. 17 UT by Mt. Lemmon Survey (G96), noting a condensed 5" coma and a curved
40" tail at position angle 295 deg. Prediscovery positions from Pan-STARRS 1
were reported from 2023 Dec. 13 UT and additioonal positions were found in the 
Isoated Tracklet File (ITF) from 2022. Additional reports of cometary features 
are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

F51  2023-12-13  R. Weryk           0".6     10"    275-305       4x45s
I52  2023-12-17  G. J. Leonard      6"       20"    290           4x30s
F52  2023-12-17  R. Weryk           0".5     10"    300           4x45s
Q62  2023-12-17  H. Sato           12"      180"    295          12x60s
W62  2023-12-20  J. Maikner         4"        8"    285          40x120s
P87  2023-12-21  K. Yoshimoto      13"       30"    290          15x120s
204  2024-01-04  A. Aletti          7"       25"    280-320 
Q11  2024-01-11  H. Sato            9"       13"    297
L06  2024-01-12  P. Sicoli          5"       16"    297

Observations:
    PK23Y020  C2022 10 23.30340400 45 22.672-05 07 34.85         21.98wUEA148F52
    PK23Y020  C2022 10 23.32270000 45 21.810-05 07 37.78         22.17wUEA148F52
    PK23Y020  C2022 10 23.33240600 45 21.405-05 07 39.20         21.92wUEA148F52
    PK23Y020 1C2022 12 20.10595500 35 47.958-02 55 31.22         21.33GVEA148G96
    PK23Y020 1C2022 12 20.11120300 35 48.080-02 55 29.32         20.81GVEA148G96
    PK23Y020 1C2022 12 20.11644700 35 48.224-02 55 27.19         20.75GVEA148G96
    PK23Y020 1C2022 12 20.12173100 35 48.347-02 55 25.18         21.39GVEA148G96
    PK23Y020  C2023 12 13.55789210 56 32.144+14 20 28.09         20.84GVEA148F51
    PK23Y020  C2023 12 13.56961010 56 32.719+14 20 27.36         20.66GVEA148F51
    PK23Y020  C2023 12 13.58136410 56 33.276+14 20 26.93         20.70GVEA148F51
    PK23Y020  C2023 12 13.59305110 56 33.877+14 20 26.22         20.72GVEA148F51
    PK23Y020*1C2023 12 17.47372910 59 42.190+14 17 32.80         19.40GVEA148G96
    PK23Y020 1C2023 12 17.47888710 59 42.450+14 17 32.80               VEA148G96
    PK23Y020 1C2023 12 17.48404910 59 42.670+14 17 32.30               VEA148G96
    PK23Y020 1C2023 12 17.48920810 59 42.860+14 17 32.50               VEA148G96
    PK23Y020 mC2023 12 17.52445410 59 44.444+14 17 31.45         21.63GVEA148I52
    PK23Y020 mC2023 12 17.53250910 59 44.725+14 17 31.67         20.02GVEA148I52
    PK23Y020 mC2023 12 17.54013710 59 45.114+14 17 31.74         20.00GVEA148I52
    PK23Y020 mC2023 12 17.54699310 59 45.373+14 17 31.27         20.08GVEA148I52
    PK23Y020  C2023 12 17.59047810 59 47.559+14 17 30.87         20.79wXEA148F52
    PK23Y020  C2023 12 17.60289510 59 48.112+14 17 30.56         20.57wXEA148F52
    PK23Y020  C2023 12 17.61539410 59 48.664+14 17 30.15         20.89wXEA148F52
    PK23Y020  C2023 12 17.62789910 59 49.220+14 17 29.83         20.64wXEA148F52
    PK23Y020 1C2023 12 17.72268 10 59 53.56 +14 17 31.3                VEA148Q62
    PK23Y020 1C2023 12 17.72766 10 59 53.81 +14 17 31.0          19.6 GVEA148Q62
    PK23Y020 KC2023 12 18.11960 11 00 11.55 +14 17 16.8          20.1 GVEA148G00
    PK23Y020 KC2023 12 18.12135711 00 11.58 +14 17 17.0          21.0 GVEA148L01
    PK23Y020 KC2023 12 18.12702 11 00 11.83 +14 17 17.6          20.3 GVEA148G00
    PK23Y020 KC2023 12 18.14660 11 00 12.727+14 17 16.19         20.2 GVEA148I81
    PK23Y020 KC2023 12 18.15306 11 00 12.950+14 17 16.26         19.9 GVEA148I81
    PK23Y020 KC2023 12 18.15557711 00 13.08 +14 17 16.6          20.8 GVEA148L01
    PK23Y020 KC2023 12 18.15809911 00 13.20 +14 17 16.4          20.6 GVEA148L01
    PK23Y020 KC2023 12 18.15950 11 00 13.236+14 17 16.19         19.8 GVEA148I81
    PK23Y020 KC2023 12 18.16062211 00 13.27 +14 17 16.4          20.4 GVEA148L01
    PK23Y020 KC2023 12 20.28745511 01 45.76 +14 16 56.3          19.8 GXEA148W62
    PK23Y020 KC2023 12 20.30218611 01 46.36 +14 16 56.4          19.8 GXEA148W62
    PK23Y020 KC2023 12 20.31621711 01 46.92 +14 16 56.5          19.9 GXEA148W62
    PK23Y020 KC2023 12 21.78161 11 02 46.64 +14 17 06.3          19.8 TVEA148P87
    PK23Y020 KC2023 12 21.79923 11 02 47.27 +14 17 06.9                VEA148P87
    PK23Y020 KC2024 01 04.18574 11 09 23.48 +14 34 56.7          20.2 GVEA148204
    PK23Y020 KC2024 01 04.22631 11 09 24.17 +14 35 02.6          20.4 GVEA148204
    PK23Y020 KB2024 01 06.06072 11 09 56.55 +14 39 47.3          19.8 GXEA148M45
    PK23Y020 KB2024 01 06.06755 11 09 56.48 +14 39 46.3          20.2 GXEA148M45
    PK23Y020 KB2024 01 06.07411 11 09 56.56 +14 39 49.7          19.9 GXEA148M45
    PK23Y020 KC2024 01 07.32276 11 10 15.09 +14 43 29.0          14.4 GVEA148X03
    PK23Y020 KC2024 01 07.33503 11 10 15.31 +14 43 31.9          18.2 GVEA148X03
    PK23Y020 KC2024 01 07.34617 11 10 15.27 +14 43 34.1          19.1 GVEA148X03
    PK23Y020 KC2024 01 07.35729 11 10 15.76 +14 43 35.5          19.5 GVEA148X03
    PK23Y020 KB2024 01 09.99902 11 10 46.229+14 51 49.54         19.9 GXEA148L38
    PK23Y020 KB2024 01 10.02500 11 10 46.457+14 51 55.37         20.0 GXEA148L38
    PK23Y020 KC2024 01 10.08202811 10 46.886+14 52 05.88         19.8 GXEA148G01
    PK23Y020 0B2024 01 10.09743 11 10 47.10 +14 52 15.7          20.2 VZEA148M49
    PK23Y020 0B2024 01 10.10171 11 10 47.08 +14 52 18.2          20.9 VZEA148M49
    PK23Y020 KC2024 01 10.10511111 10 47.136+14 52 10.92         20.3 GXEA148G01
    PK23Y020 0B2024 01 10.10597 11 10 47.10 +14 52 19.4          20.6 VZEA148M49
    PK23Y020 KC2024 01 10.12799211 10 47.225+14 52 13.26         20.7 GXEA148G01
    PK23Y020 KC2024 01 11.71208 11 10 59.72 +14 57 52.4                qEA148Q11
    PK23Y020 KC2024 01 11.72269 11 10 59.77 +14 57 54.7          19.4 TqEA148Q11
    PK23Y020 KC2024 01 12.03773611 11 01.69 +14 59 03.7          20.1 GUEA148L06
    PK23Y020 KC2024 01 12.05348411 11 01.80 +14 59 07.2          20.6 GUEA148L06
    PK23Y020 KC2024 01 12.06923111 11 01.90 +14 59 10.8          20.6 GUEA148L06

Observer details:
204 Schiaparelli Observatory.  Observer A. Aletti.  Measurers A. Aletti, M.
    Auteri.  0.36-m f/7.5 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. Bulger, T. Lowe, A. Schultz, I.
    Smith, J. Herman, P. Minguez.  Measurers K. Chambers, S. Chastel, 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.
G01 Universitaetssternwarte Oldenburg.  Observer T. Hoffmann.  0.40-m f/5.8
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observers D. C. Fuls, A. R. Gibbs.  Measurers E. J.
    Christensen, 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, A. Serrano, F. C. Shelly, K. W. Wierzchos, E. C.
    Beshore.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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.
I81 Tarbatness Observatory, Portmahomack.  Observer D. Buczynski.  0.35-m
    f/6.0 Schmidt-Cassegrain + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea.  Observer G. Ventre.  0.36m
    Schmidt Cassegrain + CCD.
L38 Gartensternwarte Schafsweide, Sehlde.  Observer A. Opitz.  0.35-m f/5.2
    Newton + CMO.
M45 Starhopper Observatory, Sfantu Gheorghe.  Observer F. Ursache.  0.41-m
    f/7.5 reflector + CMO.
M49 IAS Remote Observatory, Hakos.  Observers D. Husar, M. Junius.  Measurer
    D. Husar.  0.25-m f/4.5 reflector + CMO.
P87 Hirao Observatory, Yamaguchi.  Observer K. Yoshimoto.  0.20-m f/8 Ritchey-
    Chretien + CCD + f/5.4 focal Reducer.
Q11 Shinshiro.  Observer T. Ikemura.  Measurer H. Sato.  0.38-m f/4.2
    reflector + CCD.
Q62 iTelescope Observatory, Siding Spring.  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:
    P/2023 Y2 (Gibbs)                                                           
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                                        
T 2023 Aug.  9.80954 TT                                 Bell                    
q   2.2758817            (2000.0)            P               Q                  
n   0.13607132     Peri.   16.79198     -0.10281326     -0.98748431             
a   3.7436190      Node    79.23083     +0.89805887     -0.14384920             
e   0.3920638      Incl.    6.99278     +0.42769112     +0.06466950             
P   7.24                                                                        
>From 60 observations 2022 Oct. 23-2024 Jan. 12, mean residual 0".7.             
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2023 12 14    10 56 54.4 +14 20 02   2.0501  2.4425   101.3    23.3  20.9
...
2023 12 29    11 06 54.9 +14 23 04   1.9101  2.4811   114.2    21.2  20.9
...
2024 01 06    11 09 55.3 +14 39 40   1.8429  2.5030   121.6    19.5  20.8
...
2024 01 12    11 11 01.4 +14 58 57   1.7974  2.5200   127.5    18.0  20.8
2024 01 13    11 11 06.5 +15 02 43   1.7903  2.5228   128.5    17.8  20.8
2024 01 14    11 11 09.9 +15 06 38   1.7834  2.5257   129.5    17.5  20.8
...
2024 01 20    11 10 54.9 +15 33 01   1.7450  2.5432   135.6    15.7  20.8
...
2024 01 28    11 09 03.4 +16 14 52   1.7041  2.5672   144.1    13.0  20.8
...
2024 02 12    11 01 25.9 +17 44 25   1.6650  2.6139   159.9     7.5  20.8

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-A148





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