MPEC 2023-O43 : COMET C/2023 F3 (ATLAS)
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M.P.E.C. 2023-O43 Issued 2023 July 20, 22:46 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 F3 (ATLAS)
H. Sato reports cometary activity of an asteroidal NEOCP candidate
(initially reported by ATLAS Chile - W68 on Mar. 3 UT) in six 60-second stacked
images taken on iTelescope Deep Sky Chile (X07) at Mar. 29 UT, noting a very
condensed 5" coma. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
L87 2023-05-09 J. Camarasa 4".86
M21 2023-07-14 A. Aletti 5" 25-45
Q62 2023-07-16 T. Prystavski 12" 8x120s
Observations:
CK23F030* C2023 03 28.35310018 43 22.978-35 18 21.20 18.85oVEO043W68
CK23F030 C2023 03 28.37010418 43 22.824-35 18 25.56 18.81oVEO043W68
CK23F030 C2023 03 28.37285518 43 22.766-35 18 25.99 18.69oVEO043W68
CK23F030 C2023 03 28.38519918 43 22.656-35 18 29.23 18.84oVEO043W68
CK23F030 |C2023 03 29.35663 18 43 12.67 -35 22 23.2 19.4 VuEO043807
CK23F030 |C2023 03 29.36050 18 43 12.59 -35 22 24.3 19.0 VuEO043807
CK23F030 |C2023 03 29.36437 18 43 12.59 -35 22 25.0 19.5 VuEO043807
CK23F030 0C2023 03 29.37389 18 43 12.47 -35 22 27.4 VEO043X07
CK23F030 0C2023 03 29.37660 18 43 12.45 -35 22 27.9 18.8 GVEO043X07
CK23F030 |C2023 03 30.33577 18 43 01.84 -35 26 20.0 19.5 GVEO043807
CK23F030 |C2023 03 30.34132 18 43 01.75 -35 26 21.5 19.1 GVEO043807
CK23F030 |C2023 03 30.34686 18 43 01.69 -35 26 23.0 19.5 GVEO043807
CK23F030 "C2023 03 31.40961 18 42 49.01 -35 30 42.8 18.1 GVEO043W88
CK23F030 "C2023 03 31.41052 18 42 49.00 -35 30 43.0 18.0 GVEO043W88
CK23F030 1C2023 03 31.78885 18 42 44.26 -35 32 15.7 VEO043Q62
CK23F030 1C2023 03 31.79377 18 42 44.25 -35 32 16.7 19.2 GVEO043Q62
CK23F030 2C2023 04 01.68333 18 42 32.67 -35 35 56.7 18.3 GXEO043Q62
CK23F030 2C2023 04 01.69276 18 42 32.52 -35 35 58.6 18.3 GXEO043Q62
CK23F030 2C2023 04 01.70216 18 42 32.38 -35 36 01.4 18.2 GXEO043Q62
CK23F030 dC2023 04 04.66059018 41 49.274-35 48 24.78 19.2 GVEO043Q62
CK23F030 dC2023 04 04.67469318 41 49.114-35 48 27.93 19.1 GVEO043Q62
CK23F030 KC2023 04 06.21486 18 41 23.79 -35 55 01.5 17.7 GVEO043X03
CK23F030 KC2023 04 06.22155 18 41 23.61 -35 55 03.7 18.1 GVEO043X03
CK23F030 KC2023 04 06.22823 18 41 23.55 -35 55 04.8 18.1 GVEO043X03
CK23F030 KC2023 04 06.33090 18 41 21.66 -35 55 33.0 17.9 GVEO043X03
CK23F030 KC2023 04 06.33981 18 41 21.54 -35 55 35.1 17.9 GVEO043X03
CK23F030 KC2023 04 06.34873 18 41 21.44 -35 55 36.4 17.8 GVEO043X03
CK23F030 %C2023 04 07.37891 18 41 03.122-36 00 02.23 19.1 GVEO043W88
CK23F030 %C2023 04 07.38586 18 41 02.971-36 00 04.14 19.2 GVEO043W88
CK23F030 3C2023 04 08.33057 18 40 45.530-36 04 09.48 18.4 GVEO043W88
CK23F030 3C2023 04 08.34808 18 40 45.163-36 04 14.02 19.1 GVEO043W88
CK23F030 KB2023 04 13.05726 18 39 06.16 -36 25 02.6 18.9 VZEO043M49
CK23F030 KB2023 04 13.09889 18 39 05.16 -36 25 13.8 17.6 VZEO043M49
CK23F030 KB2023 04 13.14014 18 39 04.20 -36 25 25.2 17.9 VZEO043M49
CK23F030 MC2023 04 17.73509 18 37 07.69 -36 46 15.8 18.3 VqEO043Q62
CK23F030 MC2023 04 17.74140 18 37 07.51 -36 46 17.5 18.4 VqEO043Q62
CK23F030 MC2023 04 17.74772 18 37 07.37 -36 46 18.8 18.4 VqEO043Q62
CK23F030 KC2023 04 21.24280 18 35 25.48 -37 02 28.9 18.0 VqEO043I47
CK23F030 KC2023 04 21.30283 18 35 23.59 -37 02 44.9 18.0 VqEO043I47
CK23F030 C2023 04 24.29915618 33 46.663-37 16 45.30 18.80cVEO043W68
CK23F030 C2023 04 24.30441118 33 46.462-37 16 46.52 19.00cVEO043W68
CK23F030 C2023 04 24.31789018 33 45.962-37 16 50.34 19.12cVEO043W68
CK23F030 C2023 04 24.31970718 33 45.955-37 16 51.02 18.94cVEO043W68
CK23F030 3C2023 05 02.38817 18 28 41.21 -37 54 54.7 18.7 TVEO043X07
CK23F030 3C2023 05 02.39000 18 28 41.13 -37 54 55.1 VEO043X07
CK23F030 3C2023 05 02.39172 18 28 41.06 -37 54 55.6 VEO043X07
CK23F030 3C2023 05 02.39345 18 28 40.99 -37 54 56.0 VEO043X07
CK23F030 3C2023 05 02.39520 18 28 40.91 -37 54 56.6 VEO043X07
CK23F030 2C2023 05 07.27861 18 25 05.561-38 17 54.56 19.0 GVEO043X07
CK23F030 2C2023 05 07.28715 18 25 05.122-38 17 57.16 19.2 GVEO043X07
CK23F030 KC2023 05 09.98229 18 22 56.222-38 30 29.92 19.0 GXEO043L87
CK23F030 KC2023 05 09.99049 18 22 55.865-38 30 31.25 18.4 GXEO043L87
CK23F030 KC2023 05 09.99840 18 22 55.514-38 30 33.48 18.7 GXEO043L87
CK23F030 KB2023 05 18.13321418 15 44.484-39 07 23.22 17.9 GXEO043859
CK23F030 KB2023 05 18.14029618 15 43.981-39 07 25.01 17.7 GXEO043859
CK23F030 KB2023 05 18.14716918 15 43.560-39 07 27.03 17.7 GXEO043859
CK23F030 IC2023 05 27.96072 18 05 45.25 -39 48 12.3 VEO043M21
CK23F030 IC2023 05 27.97979 18 05 44.03 -39 48 16.8 18 GVEO043M21
CK23F030 2C2023 05 31.33183 18 02 02.287-40 00 54.76 VEO043X07
CK23F030 2C2023 05 31.34162 18 02 01.589-40 00 56.88 18.4 GVEO043X07
CK23F030 2C2023 05 31.35127 18 02 00.941-40 00 59.26 18.5 GVEO043X07
CK23F030 KC2023 05 31.82773 18 01 28.95 -40 02 42.8 18.0 VZEO043M49
CK23F030 KC2023 05 31.86702 18 01 26.27 -40 02 51.3 18.3 VZEO043M49
CK23F030 KC2023 05 31.90326 18 01 23.84 -40 02 59.7 17.6 VZEO043M49
CK23F030 3C2023 06 01.38975 18 00 50.68 -40 04 44.8 18.1 TVEO043X07
CK23F030 3C2023 06 01.39361 18 00 50.41 -40 04 45.1 VEO043X07
CK23F030 KC2023 06 08.89240 17 52 04.198-40 29 21.77 17.1 GXEO043L87
CK23F030 KC2023 06 08.89902 17 52 03.703-40 29 23.50 17.4 GXEO043L87
CK23F030 KC2023 06 08.90525 17 52 03.295-40 29 25.55 16.5 GXEO043L87
CK23F030 KC2023 06 11.15944 17 49 19.24 -40 35 52.0 ZEO043M49
CK23F030 KC2023 06 11.17084 17 49 18.42 -40 35 54.0 19.9 VZEO043M49
CK23F030 KC2023 06 11.18188 17 49 17.62 -40 35 56.2 20.0 VZEO043M49
CK23F030 #C2023 06 13.94301 17 45 54.358-40 43 14.66 16.8 rZEO043L81
CK23F030 #C2023 06 13.94730 17 45 53.738-40 43 15.92 17.2 rZEO043L81
CK23F030 KC2023 06 26.20299 17 30 31.34 -41 06 38.0 16.8 rqEO043X74
CK23F030 KC2023 06 26.20689 17 30 30.94 -41 06 37.7 16.7 rqEO043X74
CK23F030 KC2023 06 26.21065 17 30 30.61 -41 06 39.0 16.8 rqEO043X74
CK23F030 HC2023 06 28.75365 17 27 18.98 -41 09 36.8 VEO043M21
CK23F030 HC2023 06 28.77602 17 27 17.31 -41 09 37.9 18 GVEO043M21
CK23F030 KC2023 06 28.99273 17 27 00.98 -41 09 50.9 14.9 GVEO043X03
CK23F030 KC2023 06 29.01114 17 26 59.56 -41 09 52.2 14.8 GVEO043X03
CK23F030 KC2023 06 29.01729 17 26 59.06 -41 09 52.0 15.9 GVEO043X03
CK23F030 KC2023 06 29.02343 17 26 58.65 -41 09 52.4 16.2 GVEO043X03
CK23F030 3C2023 06 30.38483 17 25 16.30 -41 11 10.6 17.2 TVEO043X07
CK23F030 3C2023 06 30.38866 17 25 16.06 -41 11 10.5 VEO043X07
CK23F030 KB2023 07 12.06689717 11 03.654-41 15 05.48 17.2 GXEO043X93
CK23F030 KB2023 07 12.06910017 11 03.446-41 15 03.89 16.9 GXEO043X93
CK23F030 KB2023 07 12.07129917 11 03.327-41 15 03.82 17.0 GXEO043X93
CK23F030 C2023 07 13.89256617 08 56.078-41 14 34.26 18.48cVEO043M22
CK23F030 C2023 07 13.89537617 08 55.860-41 14 34.12 17.98cVEO043M22
CK23F030 C2023 07 13.90141717 08 55.382-41 14 34.55 18.60cVEO043M22
CK23F030 C2023 07 13.91254817 08 54.672-41 14 34.01 18.39cVEO043M22
CK23F030 KC2023 07 14.38847 17 08 21.74 -41 14 23.4 18.3 RqEO043E94
CK23F030 KC2023 07 14.39272 17 08 21.44 -41 14 23.3 18.3 RqEO043E94
CK23F030 KC2023 07 14.74359 17 07 57.35 -41 14 15.4 VEO043M21
CK23F030 KC2023 07 14.76627 17 07 55.76 -41 14 15.1 18.4 GVEO043M21
CK23F030 ZC2023 07 16.54129 17 05 54.55 -41 13 24.4 17.6 TVEO043Q62
CK23F030 ZC2023 07 16.54650 17 05 54.21 -41 13 24.1 VEO043Q62
CK23F030 KC2023 07 16.75805 17 05 39.99 -41 13 17.2 18.5 VZEO043M49
CK23F030 KC2023 07 16.76160 17 05 39.77 -41 13 17.1 18.3 VZEO043M49
CK23F030 KC2023 07 16.76515 17 05 39.50 -41 13 17.1 18.4 VZEO043M49
CK23F030 C2023 07 16.84714217 05 33.917-41 13 14.09 18.20cVEO043M22
CK23F030 C2023 07 16.87258117 05 32.201-41 13 13.04 17.98cVEO043M22
CK23F030 C2023 07 16.87538317 05 32.047-41 13 12.61 17.99cVEO043M22
CK23F030 C2023 07 16.88274017 05 31.541-41 13 12.79 18.40cVEO043M22
CK23F030 KC2023 07 17.29008 17 05 04.13 -41 12 58.3 18.4 RqEO043E94
CK23F030 KC2023 07 17.31435 17 05 02.50 -41 12 57.6 18.4 RqEO043E94
CK23F030 KC2023 07 17.33860 17 05 00.88 -41 12 56.7 18.4 RqEO043E94
CK23F030 KC2023 07 17.36255 17 04 59.22 -41 12 55.5 18.3 RqEO043E94
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD, 1.00-m f/10.0
astrograph + CCD.
859 Wykrota Observatory-CEAMIG. Observer C. Jacques. 0.45-m f/2.9 reflector
+ CMO.
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.
L81 Skygems Namibia Remote Observatory. Observer L. Demetz. Measurer D. De
Martin. 0.51-m f/6.8 CDK + CCD.
L87 Moonbase South Observatory, Hakos. Observer G. Duszanowicz. Measurer J.
Camarasa. 0.36-m f/7.7 reflector + CCD.
M21 Schiaparelli Southern Observatory, Hakos. Observers A. Aletti, F.
Bellini, L. Buzzi, G. Galli. Measurers A. Aletti, L. Buzzi. 0.36-m f/8.4
reflector + 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/4.6 reflector + CMO, 0.25-m f/4.6 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers H. Sato, M. Urbanik, F.
D. Romanov, G. Gasparovic, Y. Chen, G. Y. Gasparovic, T. Prystavski.
0.43-m f/6.8 astrograph + CCD, 0.43-m f/6.8 reflector + CCD, 0.3-m f/9
reflector + CCD, 0.32-m f/9.0 Ritchey-Chretien + 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 K. Dankov, N. Paul, B.
Lutkenhoner. 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. Observers H. Sato, T. Prystavski,
M. Suzuki. 0.51-m f/6.8 astrograph + CCD, 0.51-m f/6.8 Corrected Dall-
Kirkham + CCD.
X74 Observatorio Campo dos Amarais. Observer L. S. Amaral. 0.31-m f/3.4
Newtonian + CCD.
X93 Munhoz Observatory. Observer A. Brossel. 0.30-m f/4.0 reflector + CMO.
Orbital elements:
C/2023 F3 (ATLAS)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Feb. 2.91921 TT Rudenko
q 5.1898470 (2000.0) P Q
z -0.0007730 Peri. 265.54894 -0.75315134 -0.39250827
+/-0.0000519 Node 109.44333 -0.09741451 +0.86019343
e 1.0040119 Incl. 145.95470 -0.65059471 +0.32558336
From 109 observations 2023 Mar. 28-July 17, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 06 20 17 38 20.5 -40 56 39 5.8152 6.7901 162.3 2.6 18.1
...
2023 07 05 17 19 33.4 -41 14 13 5.8007 6.7223 153.0 3.9 18.1
...
2023 07 13 17 09 58.3 -41 14 51 5.8248 6.6865 145.4 5.0 18.1
...
2023 07 19 17 03 10.3 -41 11 51 5.8562 6.6598 139.3 5.7 18.1
2023 07 20 17 02 04.8 -41 11 05 5.8625 6.6554 138.3 5.8 18.1
2023 07 21 17 00 59.9 -41 10 16 5.8691 6.6510 137.2 6.0 18.1
...
2023 07 27 16 54 47.5 -41 04 04 5.9140 6.6244 131.0 6.6 18.1
...
2023 08 04 16 47 19.3 -40 53 05 5.9874 6.5893 122.6 7.5 18.1
...
2023 08 19 16 36 03.4 -40 28 02 6.1569 6.5241 106.9 8.5 18.1
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-O43
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