[Iaude] MPEC C180: COMET C/2024 A2 (ATLAS)

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Feb 15 02:45:48 EST 2024


M.P.E.C. 2024-C180                            Issued 2024 February 15, 07:42 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 A2 (ATLAS)                             

     H. Sato reports cometary activity of an asteroidal NEOCP candidate
(initially reported by ATLAS Chile - W68 on Jan. 15 UT) in eight 30-second
stacked follow-up images taken by iTelescope Deep Sky Chile (X07) on 
Jan. 16 UT, noting a very condensed 5" coma.  Additional reports of cometary
features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

Q62  2024-02-09  T. Prystavski      6"        6"    40            6x50s
Q62  2024-02-10  H. Sato            6"                            6x60s

Observations:
    CK24A020* C2024 01 15.33554314 52 55.634-65 17 49.70         18.04oVEC180W68
    CK24A020  C2024 01 15.34072814 52 55.440-65 17 59.60         18.02oVEC180W68
    CK24A020  C2024 01 15.36106314 52 54.895-65 18 36.25         17.82oVEC180W68
    CK24A020  C2024 01 15.36879814 52 54.701-65 18 49.43         17.80oVEC180W68
    CK24A020  C2024 01 16.09557314 52 34.50 -65 40 38.9                WEC180X09
    CK24A020  C2024 01 16.12172214 52 33.86 -65 41 26.5                WEC180X09
    CK24A020  C2024 01 16.13372714 52 33.43 -65 41 48.8                WEC180X09
    CK24A020  C2024 01 16.14072614 52 33.29 -65 42 02.0                WEC180X09
    CK24A020 KB2024 01 16.19562714 52 31.715-65 43 44.87         16.5 VZEC180Y05
    CK24A020 KB2024 01 16.19762514 52 31.561-65 43 48.25         16.5 VZEC180Y05
    CK24A020 |C2024 01 16.27955014 52 29.120-65 46 17.70         18.6 GVEC180807
    CK24A020 |C2024 01 16.28187014 52 29.050-65 46 22.00         18.4 GVEC180807
    CK24A020 |C2024 01 16.28427014 52 29.010-65 46 26.40         18.3 GVEC180807
    CK24A020 |C2024 01 16.28668014 52 28.930-65 46 31.00         18.2 GVEC180807
    CK24A020 0C2024 01 16.35098 14 52 26.89 -65 48 29.3                VEC180X07
    CK24A020 0C2024 01 16.35315 14 52 26.87 -65 48 33.2          18.1 GVEC180X07
    CK24A020 8C2024 01 16.36144 14 52 26.65 -65 48 48.0          17.2 GVEC180X07
    CK24A020 8C2024 01 16.36244 14 52 26.52 -65 48 49.4          18.2 GVEC180X07
    CK24A020 8C2024 01 16.36343 14 52 26.56 -65 48 52.0          17.9 GVEC180X07
    CK24A020 8C2024 01 16.36433 14 52 26.38 -65 48 53.1          19.9 GVEC180X07
    CK24A020 KC2024 01 17.20983 14 51 58.67 -66 14 47.1          16.9 VqEC180I47
    CK24A020 KC2024 01 17.23964 14 51 57.52 -66 15 42.8          17.1 VqEC180I47
    CK24A020  C2024 01 17.24435914 51 57.32 -66 15 51.0                WEC180X09
    CK24A020  C2024 01 17.25135814 51 57.19 -66 16 04.2                WEC180X09
    CK24A020 0B2024 01 18.05791 14 51 26.60 -66 41 11.5                ZEC180M49
    CK24A020 0B2024 01 18.06148 14 51 26.41 -66 41 18.3          17.4 VZEC180M49
    CK24A020 0B2024 01 18.06505 14 51 26.36 -66 41 24.9                ZEC180M49
    CK24A020  C2024 01 19.06901 14 50 42.80 -67 13 09.8          17.6 GVEC180M28
    CK24A020  C2024 01 19.07109 14 50 42.71 -67 13 11.4          17.6 GVEC180M28
    CK24A020  C2024 01 19.07314 14 50 42.48 -67 13 15.8          18.0 GVEC180M28
    CK24A020 8C2024 01 21.24075 14 48 45.22 -68 23 32.9          17.9 GVEC180X07
    CK24A020 8C2024 01 21.24179 14 48 45.16 -68 23 35.0          18.5 GVEC180X07
    CK24A020 8C2024 01 21.24284 14 48 45.04 -68 23 37.1          18.2 GVEC180X07
    CK24A020 8C2024 01 21.24387 14 48 45.01 -68 23 39.2          18.0 GVEC180X07
    CK24A020 8C2024 01 21.24490 14 48 44.96 -68 23 41.4          17.8 GVEC180X07
    CK24A020 "C2024 01 23.27709 14 46 20.24 -69 31 52.0          17.7 GVEC180W88
    CK24A020 "C2024 01 23.27846 14 46 20.15 -69 31 54.8          17.8 GVEC180W88
    CK24A020  C2024 01 23.29117614 46 19.234-69 32 21.80         18.18oVEC180W68
    CK24A020  C2024 01 23.29440414 46 18.869-69 32 27.89         18.05oVEC180W68
    CK24A020  C2024 01 23.31752514 46 17.083-69 33 15.34         18.02oVEC180W68
    CK24A020  C2024 01 23.33330614 46 15.734-69 33 48.02         17.92oVEC180W68
    CK24A020 KC2024 01 25.25806 14 43 19.79 -70 40 24.7          17.3 GVEC180X03
    CK24A020 %C2024 01 25.26491 14 43 19.130-70 40 39.90         18.1 GVEC180W88
    CK24A020 KC2024 01 25.26753 14 43 18.76 -70 40 45.1          17.6 GVEC180X03
    CK24A020 KC2024 01 25.27703 14 43 17.73 -70 41 05.4          17.4 GVEC180X03
    CK24A020 %C2024 01 25.28266 14 43 17.362-70 41 17.38         17.8 GVEC180W88
    CK24A020 KC2024 01 25.28650 14 43 16.76 -70 41 25.4          17.7 GVEC180X03
    CK24A020 8C2024 01 25.37626 14 43 07.23 -70 44 36.0          19.0 GVEC180X07
    CK24A020 8C2024 01 25.37722 14 43 06.95 -70 44 38.3          18.1 GVEC180X07
    CK24A020 8C2024 01 25.38010 14 43 06.73 -70 44 44.2          18.0 GVEC180X07
    CK24A020 8C2024 01 25.38106 14 43 06.71 -70 44 45.8          18.3 GVEC180X07
    CK24A020 KC2024 01 26.59143 14 40 51.19 -71 27 40.8          18.2 RqEC180E94
    CK24A020 KC2024 01 26.60582 14 40 49.32 -71 28 12.3          18.1 RqEC180E94
    CK24A020 KC2024 01 26.62034 14 40 47.58 -71 28 43.8          18.2 RqEC180E94
    CK24A020 KC2024 01 26.63480 14 40 45.94 -71 29 14.8          18.2 RqEC180E94
    CK24A020 3C2024 01 27.26447 14 39 26.916-71 51 54.14         18.2 GVEC180W88
    CK24A020 3C2024 01 27.30516 14 39 21.497-71 53 23.10         18.3 GVEC180W88
    CK24A020 8C2024 01 29.32115 14 34 22.09 -73 07 13.6          18.3 GVEC180X07
    CK24A020 8C2024 01 29.32213 14 34 21.93 -73 07 15.7          17.9 GVEC180X07
    CK24A020 8C2024 01 29.32308 14 34 21.77 -73 07 17.9          18.2 GVEC180X07
    CK24A020 8C2024 01 29.32404 14 34 21.60 -73 07 20.1          18.1 GVEC180X07
    CK24A020 8C2024 01 29.32500 14 34 21.44 -73 07 22.2          18.3 GVEC180X07
    CK24A020 8C2024 01 29.32596 14 34 21.31 -73 07 24.4          18.4 GVEC180X07
    CK24A020 4C2024 01 30.17432 14 31 51.88 -73 38 58.2          18.7 VqEC180W88
    CK24A020 4C2024 01 30.18820 14 31 49.33 -73 39 29.9          18.6 VqEC180W88
    CK24A020 2C2024 01 31.70649 14 26 38.82 -74 36 50.6          17.8 GXEC180Q62
    CK24A020 2C2024 01 31.71220 14 26 37.47 -74 37 04.1          18.1 GXEC180Q62
    CK24A020 2C2024 01 31.71963 14 26 35.80 -74 37 21.1          18.0 GXEC180Q62
    CK24A020  C2024 02 04.37082014 09 10.330-76 57 50.29         17.74oVEC180W68
    CK24A020  C2024 02 04.37513514 09 08.719-76 58 00.37         17.62oVEC180W68
    CK24A020  C2024 02 04.38714814 09 04.296-76 58 27.88         17.60oVEC180W68
    CK24A020 KC2024 02 04.59429 14 07 48.92 -77 06 28.2          17.7 RqEC180E94
    CK24A020 KC2024 02 04.61472 14 07 41.37 -77 07 16.9          17.8 RqEC180E94
    CK24A020 KC2024 02 04.63516 14 07 33.57 -77 08 03.2          17.8 RqEC180E94
    CK24A020 KC2024 02 04.65559 14 07 26.21 -77 08 52.4          17.6 RqEC180E94
    CK24A020 KC2024 02 05.62279 14 00 58.97 -77 46 15.3          16.8 RqEC180E94
    CK24A020 KC2024 02 05.64162 14 00 50.60 -77 46 59.1          16.9 RqEC180E94
    CK24A020 KC2024 02 05.65872 14 00 43.34 -77 47 39.1          17.1 RqEC180E94
    CK24A020 *C2024 02 05.99747 13 58 15.05 -78 00 42.1          17.9 RoEC180K95
    CK24A020  C2024 02 05.99839 13 58 14.75 -78 00 44.5          17.9 RoEC180K95
    CK24A020  C2024 02 05.99932 13 58 14.18 -78 00 46.6          17.9 RoEC180K95
    CK24A020  C2024 02 06.00024 13 58 13.85 -78 00 48.9          17.9 RoEC180K95
    CK24A020  C2024 02 06.00123 13 58 13.28 -78 00 51.3          17.8 RoEC180K95
    CK24A020  C2024 02 06.00215 13 58 12.98 -78 00 53.1          17.9 RoEC180K95
    CK24A020  C2024 02 06.06380513 57 44.611-78 03 16.74         17.45oVEC180M22
    CK24A020  C2024 02 06.06711413 57 43.020-78 03 24.44         17.59oVEC180M22
    CK24A020  C2024 02 06.08706613 57 33.893-78 04 10.74         17.53oVEC180M22
    CK24A020  C2024 02 06.11418313 57 21.182-78 05 13.63         17.64oVEC180M22
    CK24A020  C2024 02 06.11692413 57 19.958-78 05 19.90         17.62oVEC180M22
    CK24A020  C2024 02 06.12293713 57 17.246-78 05 33.58         17.66oVEC180M22
    CK24A020 .C2024 02 07.23126 13 48 08.345-78 47 58.13         18.1 GVEC180W88
    CK24A020 .C2024 02 07.23795 13 48 04.438-78 48 13.46         18.0 GVEC180W88
    CK24A020 KC2024 02 07.63098 13 44 26.78 -79 03 09.2          17.9 RqEC180E94
    CK24A020 KC2024 02 07.64128 13 44 20.87 -79 03 32.0          17.9 RqEC180E94
    CK24A020 KC2024 02 07.65159 13 44 15.02 -79 03 55.0          18.1 RqEC180E94
    CK24A020 KC2024 02 07.66188 13 44 08.97 -79 04 18.2          18.2 RqEC180E94
    CK24A020 ZC2024 02 09.74918 13 20 53.86 -80 21 10.0          17.7 TVEC180Q62
    CK24A020 ZC2024 02 09.75062 13 20 52.72 -80 21 12.9                VEC180Q62
    CK24A020 "C2024 02 10.37434 13 12 23.98 -80 43 05.4          17.4 GVEC180W88
    CK24A020 "C2024 02 10.37558 13 12 23.12 -80 43 08.0          17.3 GVEC180W88
    CK24A020 1C2024 02 10.69282 13 07 46.20 -80 53 59.9                VEC180Q62
    CK24A020 1C2024 02 10.69448 13 07 44.72 -80 54 03.4                VEC180Q62
    CK24A020 1C2024 02 10.69614 13 07 43.23 -80 54 06.9          17.7 GVEC180Q62
    CK24A020 .C2024 02 11.18706 13 00 07.831-81 10 29.24         17.8 GVEC180W88
    CK24A020 .C2024 02 11.19053 13 00 04.334-81 10 36.26         17.4 GVEC180W88
    CK24A020 0B2024 02 12.08076 12 44 45.34 -81 38 52.2          17.9 VZEC180M49
    CK24A020 0B2024 02 12.08432 12 44 41.44 -81 38 59.0          18.0 VZEC180M49
    CK24A020 0B2024 02 12.08788 12 44 37.52 -81 39 05.3          17.9 VZEC180M49
    CK24A020 5C2024 02 12.26280 12 41 23.009-81 44 21.98         18.0 GVEC180W88
    CK24A020 5C2024 02 12.26606 12 41 19.498-81 44 27.46         17.9 GVEC180W88
    CK24A020 5C2024 02 12.27300 12 41 11.347-81 44 39.91         17.8 GVEC180W88
    CK24A020  C2024 02 13.99725312 04 30.132-82 30 44.17         17.56oVEC180M22
    CK24A020  C2024 02 13.99913312 04 27.466-82 30 46.73         17.60oVEC180M22
    CK24A020  C2024 02 14.02070612 03 56.321-82 31 16.64         17.58oVEC180M22
    CK24A020  C2024 02 14.02596012 03 48.730-82 31 24.06         17.60oVEC180M22
    CK24A020 5C2024 02 14.23361 11 58 48.074-82 36 02.70         17.2 GVEC180W88
    CK24A020 5C2024 02 14.23654 11 58 43.781-82 36 06.66         17.4 GVEC180W88
    CK24A020 5C2024 02 14.24002 11 58 38.753-82 36 11.12         17.3 GVEC180W88
    CK24A020 5C2024 02 14.24348 11 58 33.588-82 36 15.98         17.2 GVEC180W88
    CK24A020 5C2024 02 14.24699 11 58 28.308-82 36 20.23         17.4 GVEC180W88
    CK24A020 KC2024 02 14.78758 11 44 49.82 -82 47 19.4          17.2 GXEC180L68
    CK24A020 KC2024 02 14.79718 11 44 34.57 -82 47 30.4          17.5 GXEC180L68
    CK24A020 KC2024 02 14.80684 11 44 19.66 -82 47 41.4          17.2 GXEC180L68

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/11 Ritchey-Chretien + CCD.
E94 Possum Observatory, Gisborne.  Observer J. Drummond.  0.41-m f/4.5
    Newtonian + CCD.
I47 Pierre Auger Observatory, Malargue.  Observer M. Masek.  0.3-m f/6.8
    reflector + CCD.
K95 MASTER-SAAO Observatory, Sutherland.  Observers Y. Kechin, V. Lipunov, E.
    Gorbovskoy, D. Buckley, P. Balanutsa, V. Kornilov, A. Kuznetsov, N.
    Tiurina, O. Gress, D. Zimnukhov.  0.4-m f/2.5 reflector   CCD.
L68 PESCOPE, Port Elizabeth.  Observer S. L. Ferreira.  0.36-m f/3.6 0.355
    Schmidt- Cssegrain + CCD.
M22 ATLAS South Africa, Sutherland.  Observers L. Denneau, R. Siverd, J.
    Tonry, H. Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A.
    Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector +
    CCD.
M28 Lesedi Telescope-SAAO Observatory, Sutherland.  Observers N. Erasmus, S.
    Potter, C. van Gend, S. Chandra, H. Worters.  Measurers T. Ngwane, N.
    Erasmus.  1.0-m f/8 Reflector + CCD.
M49 IAS Remote Observatory, Hakos.  Observers D. Husar, M. Junius.  Measurer
    D. Husar.  0.25-m f/4.5 reflector + CMO.
Q62 iTelescope Observatory, Siding Spring.  Observers M. Urbanik, T.
    Prystavski, H. Sato.  0.3-m f/9 reflector + CCD, 0.43-m f/6.8 Corrected
    Dall-Kirkham + CCD, 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
W68 ATLAS Chile, Rio Hurtado.  Observers L. Denneau, R. Siverd, J. Tonry, H.
    Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
    J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector + CCD.
W88 Slooh.com Chile Observatory, La Dehesa.  Observers K. Dankov, N. Paul, B.
    Lutkenhoner, G. Gasparovic, Y. Chen, E. Cortes, M. Kumrucu-Lohmiller.
    Measurers K. Dankov, N. Paul, B. Lutkenhoner, G. Gasparovic, Y. Chen, G.
    Y. Gasparovic, E. Cortes, M. Kumrucu-Lohmiller.  0.35-m f/11 Schmidt-
    Cassegrain + CCD, 0.43-m f/6.8 CDK17 + CCD, 0.43-m f/6.8 Corrected Dall-
    Kirkham + CCD, 0.35-m f/11.0 Schmidt-Cassegrain + 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.
X07 iTelescope Deep Sky Chile, Rio Hurtado.  Observers H. Sato, M. Mattiazzo.
    0.51-m f/6.8 astrograph + CCD, T71 500 mm f/2.8 Takahashi Epsilon + CMOS
    CCD, pe:  T72 3411 mm f/6.8 PlaneWave L-500 + FLI ML16200, pe:  T72 3411
    mm f/6.8 PlaneWave L-500 + FLI ML16200 + CCD.
X09 Deep Random Survey, Rio Hurtado.  Observers A. Schnabel, D. Ruhela.
    Measurer S. Deen.  0.43-m reflector + CMOS.
Y05 SONEAR Wykrota-CEAMIG, Serra da Piedade.  Observer C. Jacques.  0.45-m
    f/2.9 reflector + CMO.

Orbital elements:
    C/2024 A2 (ATLAS)                                                           
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                                         
T 2024 Apr. 28.87503 TT                                 Rudenko                 
q   1.8818433            (2000.0)            P               Q                  
n   0.00528475     Peri.  295.56145     -0.34100505     +0.39048960             
a  32.6427404      Node    78.16270     +0.78357202     +0.62062064             
e   0.9423503      Incl.  119.10828     -0.51935580     +0.67996169             
P 187                                                                           
>From 123 observations 2024 Jan. 15-Feb. 14, mean residual 0".3.                 
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2024 01 16    14 52 37.0 -65 37 47   2.5026  2.2549    64.2    23.1  18.0
...
2024 01 31    14 29 10.1 -74 10 01   2.2078  2.1636    74.5    26.0  17.6
...
2024 02 08    13 40 51.3 -79 16 58   2.0635  2.1188    79.5    27.2  17.3
...
2024 02 14    12 04 26.8 -82 30 44   1.9661  2.0872    82.8    28.0  17.2
2024 02 15    11 39 13.2 -82 51 11   1.9510  2.0821    83.3    28.1  17.1
2024 02 16    11 11 19.0 -83 05 47   1.9363  2.0770    83.8    28.2  17.1
...
2024 02 22    08 17 43.9 -81 57 21   1.8563  2.0479    86.4    28.8  17.0
...
2024 03 01    06 27 10.8 -75 32 39   1.7759  2.0122    88.6    29.5  16.8
...
2024 03 16    05 38 41.8 -59 22 59   1.7216  1.9557    87.8    30.5  16.6

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-C180




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