[Iaude] MPEC B78: COMET C/2024 A1 (ATLAS)
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Jan 21 03:48:42 EST 2024
M.P.E.C. 2024-B78 Issued 2024 January 21, 08:45 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 C/2024 A1 (ATLAS)
A. Fitzsimmons reports the discovery of a comet in four 30-second survey
images taken on Jan. 3 UT by ATLAS Chile (W68), noting a very condensed 12"
coma. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
X07 2024-01-04 H. Sato 8" 5" 300 8x60s
L09 2024-01-05 A. Hale 5"
M21 2024-01-10 A. Aletti 6"
Observations:
CK24A010* C2024 01 03.20752207 05 23.354-65 42 33.41 18.80oVEB078W68
CK24A010 C2024 01 03.21123207 05 22.858-65 42 33.37 18.72oVEB078W68
CK24A010 C2024 01 03.24216007 05 20.047-65 42 26.21 18.87oVEB078W68
CK24A010 C2024 01 03.24854107 05 19.315-65 42 25.20 18.85oVEB078W68
CK24A010 KC2024 01 03.55494907 04 50.546-65 41 16.44 19.6 GVEB078474
CK24A010 KC2024 01 03.55847707 04 50.074-65 41 16.01 19.4 GVEB078474
CK24A010 KC2024 01 03.56200207 04 49.862-65 41 15.04 18.5 GVEB078474
CK24A010 KC2024 01 03.56552707 04 49.399-65 41 14.71 19.1 GVEB078474
CK24A010 C2024 01 03.84897 07 04 22.94 -65 40 09.4 18.1 GVEB078L09
CK24A010 C2024 01 03.85248 07 04 22.61 -65 40 09.1 18.3 GVEB078L09
CK24A010 C2024 01 03.85600 07 04 22.26 -65 40 09.4 18.7 GVEB078L09
CK24A010 |C2024 01 04.21666007 03 48.110-65 38 45.70 18.8 GVEB078807
CK24A010 |C2024 01 04.21825007 03 47.990-65 38 45.40 18.7 GVEB078807
CK24A010 |C2024 01 04.21985407 03 47.830-65 38 44.60 18.7 GVEB078807
CK24A010 |C2024 01 04.22144007 03 47.680-65 38 44.70 19.0 GVEB078807
CK24A010 |C2024 01 04.22304007 03 47.570-65 38 44.10 19.2 GVEB078807
CK24A010 |C2024 01 04.22463307 03 47.380-65 38 43.50 19.6 GVEB078807
CK24A010 0C2024 01 04.29567 07 03 40.58 -65 38 27.3 VEB078X07
CK24A010 0C2024 01 04.29927 07 03 40.26 -65 38 26.2 18.5 GVEB078X07
CK24A010 C2024 01 04.48515 07 03 23.01 -65 37 42.1 18.7 GVEB078Q58
CK24A010 C2024 01 04.48867 07 03 22.49 -65 37 41.3 18.8 GVEB078Q58
CK24A010 KC2024 01 04.54827 07 03 16.91 -65 37 25.4 18.5 RqEB078E94
CK24A010 KC2024 01 04.55855 07 03 15.77 -65 37 23.7 18.5 RqEB078E94
CK24A010 KC2024 01 04.56884 07 03 15.03 -65 37 21.3 18.5 RqEB078E94
CK24A010 KC2024 01 04.57866 07 03 13.95 -65 37 20.5 18.4 RqEB078E94
CK24A010 C2024 01 05.02799207 02 31.704-65 35 30.34 18.71oVEB078M22
CK24A010 C2024 01 05.03122407 02 31.346-65 35 29.69 18.51oVEB078M22
CK24A010 C2024 01 05.06485307 02 28.186-65 35 21.37 18.79oVEB078M22
CK24A010 C2024 01 05.07200907 02 27.492-65 35 18.82 19.24oVEB078M22
CK24A010 C2024 01 05.09433 07 02 25.37 -65 35 14.3 18.9 GVEB078L09
CK24A010 C2024 01 05.09784 07 02 25.04 -65 35 13.2 18.7 GVEB078L09
CK24A010 C2024 01 05.10135 07 02 24.67 -65 35 12.2 18.3 GVEB078L09
CK24A010 C2024 01 06.32163107 00 30.12 -65 29 59.5 WEB078X09
CK24A010 C2024 01 06.32689407 00 29.66 -65 29 58.5 WEB078X09
CK24A010 C2024 01 06.42788 07 00 20.35 -65 29 31.4 18.4 GVEB078Q58
CK24A010 C2024 01 06.43140 07 00 20.13 -65 29 30.0 18.9 GVEB078Q58
CK24A010 C2024 01 06.43492 07 00 19.68 -65 29 28.5 18.5 GVEB078Q58
CK24A010 KC2024 01 07.09116 06 59 18.29 -65 26 29.9 18.5 VqEB078I47
CK24A010 KC2024 01 07.10441 06 59 16.97 -65 26 25.3 18.3 VqEB078I47
CK24A010 C2024 01 07.21022806 59 06.946-65 25 57.32 18.80oVEB078W68
CK24A010 C2024 01 07.21388306 59 06.629-65 25 54.73 18.87oVEB078W68
CK24A010 C2024 01 07.22046106 59 06.086-65 25 53.51 18.58oVEB078W68
CK24A010 %C2024 01 07.22461 06 59 05.693-65 25 53.29 18.4 GVEB078W88
CK24A010 %C2024 01 07.23091 06 59 05.035-65 25 51.17 18.6 GVEB078W88
CK24A010 C2024 01 07.25601906 59 02.633-65 25 43.61 18.95oVEB078W68
CK24A010 KC2024 01 07.28494 06 58 59.93 -65 25 35.8 18.4 GVEB078X03
CK24A010 KC2024 01 07.29432 06 58 59.05 -65 25 33.1 18.3 GVEB078X03
CK24A010 KC2024 01 07.30212 06 58 58.31 -65 25 30.6 18.2 GVEB078X03
CK24A010 KC2024 01 07.30881 06 58 57.70 -65 25 28.7 18.3 GVEB078X03
CK24A010 KC2024 01 07.38339 06 58 50.90 -65 25 08.0 18.6 RqEB078E94
CK24A010 KC2024 01 07.40091 06 58 49.36 -65 25 02.3 18.6 RqEB078E94
CK24A010 KC2024 01 07.42032 06 58 47.26 -65 24 58.0 18.7 RqEB078E94
CK24A010 3C2024 01 08.21167 06 57 33.554-65 21 08.78 18.6 GVEB078W88
CK24A010 3C2024 01 08.22007 06 57 32.798-65 21 06.05 18.7 GVEB078W88
CK24A010 KC2024 01 08.38037 06 57 17.95 -65 20 18.6 19.3 RqEB078E94
CK24A010 KC2024 01 08.39233 06 57 16.83 -65 20 15.1 19.3 RqEB078E94
CK24A010 KC2024 01 08.40432 06 57 15.75 -65 20 10.7 19.3 RqEB078E94
CK24A010 KC2024 01 08.41841 06 57 14.37 -65 20 06.8 19.4 RqEB078E94
CK24A010 C2024 01 08.80600 06 56 38.40 -65 18 10.1 18.6 GVEB078L09
CK24A010 C2024 01 08.80951 06 56 38.10 -65 18 08.4 18.6 GVEB078L09
CK24A010 C2024 01 08.81304 06 56 37.74 -65 18 08.2 18.5 GVEB078L09
CK24A010 0B2024 01 09.94645 06 54 52.70 -65 12 13.5 18.3 VZEB078M49
CK24A010 0B2024 01 09.95124 06 54 52.22 -65 12 12.2 18.4 VZEB078M49
CK24A010 0B2024 01 09.95480 06 54 51.84 -65 12 10.8 18.4 VZEB078M49
CK24A010 C2024 01 10.71813 06 53 41.34 -65 07 59.3 18.5 GVEB078Q58
CK24A010 C2024 01 10.72167 06 53 40.86 -65 07 58.4 18.5 GVEB078Q58
CK24A010 C2024 01 10.72519 06 53 40.60 -65 07 56.3 17.8 GVEB078Q58
CK24A010 KC2024 01 10.86191 06 53 28.42 -65 07 11.3 18.7 GVEB078M21
CK24A010 KC2024 01 10.87713 06 53 27.00 -65 07 05.3 18.2 GVEB078M21
CK24A010 C2024 01 12.68663 06 50 41.51 -64 56 31.4 18.5 GVEB078Q58
CK24A010 C2024 01 12.69014 06 50 41.31 -64 56 30.0 18.2 GVEB078Q58
CK24A010 C2024 01 12.69365 06 50 40.30 -64 56 29.3 VEB078Q58
CK24A010 C2024 01 14.82053 06 47 30.24 -64 42 58.0 18.6 GVEB078L09
CK24A010 C2024 01 14.82404 06 47 29.94 -64 42 56.5 18.7 GVEB078L09
CK24A010 C2024 01 14.82755 06 47 29.62 -64 42 55.1 18.6 GVEB078L09
CK24A010 5C2024 01 15.19448 06 46 56.796-64 40 27.88 18.7 GVEB078W88
CK24A010 5C2024 01 15.25365 06 46 51.689-64 40 04.66 18.0 GVEB078W88
CK24A010 KC2024 01 17.09832 06 44 09.99 -64 27 12.5 18.6 VqEB078I47
CK24A010 KC2024 01 17.12605 06 44 07.58 -64 27 00.9 18.7 VqEB078I47
CK24A010 KC2024 01 17.15338 06 44 05.18 -64 26 49.3 18.6 VqEB078I47
CK24A010 0B2024 01 17.90793 06 42 59.94 -64 21 17.8 19.0 VZEB078M49
CK24A010 0B2024 01 17.91151 06 42 59.62 -64 21 16.5 18.8 VZEB078M49
CK24A010 0B2024 01 17.91638 06 42 59.22 -64 21 14.7 18.8 VZEB078M49
CK24A010 C2024 01 18.47356 06 42 11.50 -64 17 04.0 18.5 GVEB078Q58
CK24A010 C2024 01 18.47709 06 42 11.31 -64 17 02.4 18.4 GVEB078Q58
CK24A010 C2024 01 18.48061 06 42 10.82 -64 17 00.9 18.6 GVEB078Q58
CK24A010 C2024 01 19.15930306 41 13.118-64 11 50.06 18.83oVEB078W68
CK24A010 C2024 01 19.16246906 41 12.814-64 11 48.26 18.76oVEB078W68
CK24A010 C2024 01 19.16934806 41 12.178-64 11 45.02 18.86oVEB078W68
CK24A010 C2024 01 19.17940206 41 11.374-64 11 40.78 17.79oVEB078W68
CK24A010 5C2024 01 19.20171 06 41 09.562-64 11 30.44 18.4 GVEB078W88
CK24A010 5C2024 01 19.21878 06 41 07.908-64 11 22.31 18.4 GVEB078W88
CK24A010 2C2024 01 19.59682 06 40 36.09 -64 08 25.9 18.9 GXEB078Q62
CK24A010 2C2024 01 19.60656 06 40 35.30 -64 08 20.9 18.5 GXEB078Q62
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 Reflector + CCD.
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.
L09 Sutherland-LCO Aqawan A #1. Observer A. Hale. 0.35-m f/3 Cassegrain +
CCD.
M21 Schiaparelli Southern Observatory, Hakos. Observers A. Aletti, F.
Bellini, L. Buzzi, G. Galli. Measurer A. Aletti. 0.36-m f/8.4 Ritchey-
Chretien + 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.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.5 reflector + CMO.
Q58 Siding Spring-LCO Clamshell #1. Observer A. Hale. 0.35-m f/3 Cassegrain
+ CCD.
Q62 iTelescope Observatory, Siding Spring. Observer M. Urbanik. 0.3-m f/9
reflector + CCD.
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 N. Paul, B.
Lutkenhoner, M. Kumrucu-Lohmiller, E. Cortes. 0.43-m f/6.8 CDK17 + CCD,
0.43-m f/6.8 Corrected Dall-Kirkham + 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. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
Orbital elements:
C/2024 A1 (ATLAS)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 June 15.71350 TT Rudenko
q 3.8799334 (2000.0) P Q
z +0.0023999 Peri. 353.38033 -0.38391032 +0.02740760
+/-0.0000168 Node 112.22170 +0.88630549 -0.26942111
e 0.9906884 Incl. 94.42858 +0.25898929 +0.96263237
>From 94 observations 2024 Jan. 3-19, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 12 22 07 24 15.9 -66 08 44 5.8771 5.9407 88.9 9.5 18.6
...
2024 01 06 07 01 00.5 -65 31 24 5.7383 5.8533 91.9 9.7 18.5
...
2024 01 14 06 48 43.5 -64 48 19 5.6690 5.8069 93.2 9.7 18.4
...
2024 01 20 06 40 02.4 -64 05 15 5.6200 5.7723 94.0 9.8 18.4
2024 01 21 06 38 39.2 -63 57 12 5.6121 5.7665 94.1 9.8 18.4
2024 01 22 06 37 17.3 -63 48 54 5.6043 5.7608 94.2 9.8 18.3
...
2024 01 28 06 29 32.8 -62 54 08 5.5593 5.7263 94.8 9.9 18.3
...
2024 02 05 06 20 35.7 -61 28 37 5.5047 5.6805 95.3 10.0 18.2
...
2024 02 20 06 08 32.0 -58 15 49 5.4208 5.5951 95.0 10.1 18.1
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-B78
More information about the Iaude
mailing list