[Iaude] MPEC B74: COMET P/2023 S4 = P/2017 O4 (Hogan)
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Jan 20 18:43:23 EST 2024
M.P.E.C. 2024-B74 Issued 2024 January 20, 23:38 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 S4 = P/2017 O4 (Hogan)
J. Hogan reports the discovery of a comet in survey images taken on
Dec. 14 UT by Mt. Lemmon Survey (G96), noting a very condensed 3".8 coma
and a straight 24".8 tail at position angle 250-260 deg. Prediscovery positions
were reported back to Jul. 2017. Additional reports of cometary features
are as follows:
OC Date Reporter Coma Tail PA Exposures
F51 2023-12-04 R. Weryk 0".1 30" 260 4x45s
I52 2023-12-17 G. J. Leonard 6" 15" 260
X07 2023-12-19 H. Sato 5" 5" 290 12x60s
W62 2023-12-20 J. Maikner 4" 10" 235 80x120s
F51 2023-01-01 R. Weryk 0".4 20" 260 4x45s
Observations:
PK17O040 5C2005 06 14.46100419 34 48.62 -23 09 50.8 23.6 rWEB074T14
PK17O040 5C2005 06 14.48545119 34 47.71 -23 09 53.3 WEB074T14
PK17O040 5C2005 06 15.45739319 34 13.17 -23 11 29.7 23.8 rWEB074T14
PK17O040 5C2017 07 17.61600801 04 44.19 +06 10 23.7 24.0 VWEB074T14
PK17O040 5C2017 07 23.62323101 09 09.25 +06 37 56.4 23.7 VWEB074T14
PK17O040* C2017 07 30.58221601 13 30.560+07 05 03.15 23.43GVEB074F51
PK17O040 C2017 07 30.59155201 13 30.870+07 05 05.15 23.40GVEB074F51
PK17O040 C2017 07 30.60089301 13 31.191+07 05 07.85 VEB074F51
PK17O040 C2017 09 17.47725301 14 41.870+07 22 38.42 23.11GVEB074F51
PK17O040 C2017 09 17.48929901 14 41.475+07 22 36.55 22.90GVEB074F51
PK17O040 C2017 09 17.50140501 14 41.047+07 22 34.22 22.63GVEB074F51
PK17O040 C2017 09 17.51353901 14 40.635+07 22 32.15 22.57GVEB074F51
PK17O040 C2017 09 24.41120401 10 33.604+07 00 16.20 22.33GVEB074F51
PK17O040 C2017 09 24.42395201 10 33.064+07 00 13.60 22.30GVEB074F51
PK17O040 C2017 09 24.43657701 10 32.572+07 00 10.81 22.40GVEB074F51
PK17O040 C2017 09 24.44923101 10 32.033+07 00 08.22 21.97GVEB074F51
PK17O040 C2017 10 11.40642500 58 05.506+05 51 35.82 22.26GVEB074F51
PK17O040 C2017 10 11.41820000 58 04.932+05 51 32.88 22.50GVEB074F51
PK17O040 C2017 10 11.42999500 58 04.363+05 51 29.68 22.46GVEB074F51
PK17O040 C2017 10 11.44183700 58 03.782+05 51 26.82 21.71GVEB074F51
PK17O040 C2017 10 18.37606400 52 50.156+05 22 30.77 21.85GVEB074F51
PK17O040 C2017 10 18.37673400 52 50.112+05 22 30.71 22.25GVEB074F51
PK17O040 C2017 10 18.38895900 52 49.573+05 22 27.56 21.98GVEB074F51
PK17O040 C2017 10 18.40117600 52 48.979+05 22 24.32 22.06GVEB074F51
PK17O040 C2017 10 18.41268700 52 48.454+05 22 21.64 22.27GVEB074F51
PK17O040 C2017 10 18.41332800 52 48.417+05 22 21.73 22.48GVEB074F51
PK17O040 C2017 10 23.37978000 49 18.364+05 03 04.55 22.05GVEB074F51
PK17O040 C2017 10 23.39187300 49 17.838+05 03 01.79 22.17GVEB074F51
PK17O040 C2017 10 23.40396300 49 17.346+05 02 59.20 22.08GVEB074F51
PK17O040 C2017 10 23.41611200 49 16.838+05 02 56.52 22.14GVEB074F51
PK17O040 C2017 11 19.28739900 38 13.059+04 06 54.14 22.61GVEB074F51
PK17O040 C2017 11 19.32267300 38 12.774+04 06 53.46 22.55GVEB074F51
PK17O040 KC2019 01 05.61087409 10 59.767+17 52 33.19 24.07GVEB074F51
PK17O040 C2019 01 14.57890409 04 49.781+18 21 05.59 23.01GVEB074F51
PK17O040 C2019 01 14.59256209 04 49.129+18 21 08.57 23.18GVEB074F51
PK17O040 C2019 01 14.60617309 04 48.476+18 21 11.19 23.52GVEB074F51
PK17O040 C2019 01 14.61980309 04 47.862+18 21 13.80 23.01GVEB074F51
PK17O040 &C2021 06 13.02828416 12 01.82 -22 10 28.3 24.3 RWEB074W84
PK17O040 &C2021 06 13.15893516 11 55.77 -22 10 14.0 24.2 RWEB074W84
PK23S040 C2023 08 18.60263204 31 23.907+22 15 05.85 21.57GVEB074F52
PK23S040 C2023 08 18.60775404 31 24.296+22 15 06.77 22.14GVEB074F52
PK23S040 C2023 08 18.61288304 31 24.753+22 15 07.80 22.59GVEB074F52
PK23S040 C2023 08 18.61800304 31 25.140+22 15 08.64 22.26GVEB074F52
PK23S040 C2023 08 24.59046604 39 29.696+22 33 44.41 22.32GVEB074F52
PK23S040 C2023 08 24.59490204 39 30.016+22 33 45.08 21.99GVEB074F52
PK23S040 C2023 08 24.59935304 39 30.402+22 33 46.08 21.59GVEB074F52
PK23S040*1C2023 09 25.45478205 13 25.583+23 39 54.14 20.91GVEB074G96
PK23S040 1C2023 09 25.45992205 13 25.770+23 39 54.94 22.29GVEB074G96
PK23S040 1C2023 09 25.46506005 13 25.954+23 39 54.94 21.63GVEB074G96
PK23S040 1C2023 09 25.47019605 13 26.260+23 39 54.94 21.44GVEB074G96
PK23S040 C2023 10 22.47828405 24 33.314+24 06 34.66 21.63GVEB074F52
PK23S040 C2023 10 22.48913205 24 33.308+24 06 35.17 21.57GVEB074F52
PK23S040 C2023 10 22.49999005 24 33.318+24 06 35.70 21.68GVEB074F52
PK23S040 C2023 10 22.51087405 24 33.304+24 06 36.09 21.66GVEB074F52
PK23S040 C2023 11 08.61547905 20 39.706+24 13 45.80 21.34wXEB074F51
PK23S040 C2023 11 08.62965705 20 39.269+24 13 45.88 21.11wXEB074F51
PK23S040 C2023 11 08.63672905 20 39.054+24 13 46.22 21.74wXEB074F51
PK23S040 C2023 12 04.32980805 01 19.560+24 03 57.60 20.91GVEB074F51
PK23S040 C2023 12 04.34405305 01 18.739+24 03 56.89 20.74GVEB074F51
PK23S040 C2023 12 04.35817605 01 17.936+24 03 56.23 20.65GVEB074F51
PK23S040 C2023 12 04.37365105 01 17.054+24 03 55.41 20.76GVEB074F51
PK23S040 1C2023 12 15.25301604 51 18.598+23 51 38.02 19.99GVEB074G96
PK23S040 1C2023 12 15.25819304 51 18.317+23 51 37.62 20.38GVEB074G96
PK23S040 1C2023 12 15.26339004 51 17.989+23 51 36.86 20.09GVEB074G96
PK23S040 1C2023 12 15.26856404 51 17.741+23 51 36.90 20.33GVEB074G96
PK23S040 C2023 12 15.31698804 51 15.048+23 51 32.51 20.71GVEB074I52
PK23S040 C2023 12 15.33209804 51 14.227+23 51 31.86 20.46GVEB074I52
PK23S040 C2023 12 15.34717604 51 13.392+23 51 30.02 20.70GVEB074I52
PK23S040 C2023 12 15.36246604 51 12.503+23 51 29.09 20.63GVEB074I52
PK23S040 C2023 12 15.48745504 51 05.883+23 51 21.09 21.21wXEB074F51
PK23S040 C2023 12 15.48745604 51 05.982+23 51 20.77 20.57GVEB074F51
PK23S040 C2023 12 15.50175304 51 05.161+23 51 19.55 20.65wXEB074F51
PK23S040 C2023 12 15.50175404 51 05.164+23 51 19.55 20.72GVEB074F51
PK23S040 C2023 12 15.51409704 51 04.490+23 51 18.81 20.98wXEB074F51
PK23S040 C2023 12 15.51409804 51 04.493+23 51 18.42 20.81GVEB074F51
PK23S040 KB2023 12 16.11953704 50 32.664+23 50 30.23 20.0 VZEB074Y89
PK23S040 KB2023 12 16.13441004 50 31.632+23 50 28.76 ZEB074Y89
PK23S040 KB2023 12 16.14932304 50 30.957+23 50 27.34 20.3 VZEB074Y89
PK23S040 mC2023 12 17.30452304 49 30.839+23 48 59.00 20.50GVEB074I52
PK23S040 mC2023 12 17.30945604 49 30.572+23 48 58.90 VEB074I52
PK23S040 mC2023 12 17.31436104 49 30.320+23 48 58.57 20.39GVEB074I52
PK23S040 mC2023 12 17.31926904 49 30.040+23 48 58.03 20.08GVEB074I52
PK23S040 KC2023 12 18.87724 04 48 10.67 +23 46 54.4 20.6 GVEB074G00
PK23S040 KC2023 12 18.89221 04 48 09.78 +23 46 53.9 19.9 GVEB074G00
PK23S040 KC2023 12 18.90721 04 48 09.03 +23 46 52.2 19.8 GVEB074G00
PK23S040 0C2023 12 19.10181 04 47 59.35 +23 46 43.1 VEB074X07
PK23S040 0C2023 12 19.10712 04 47 59.09 +23 46 42.7 20.4 GVEB074X07
PK23S040 KC2023 12 19.79081404 47 25.04 +23 45 41.7 20.1 GVEB074L06
PK23S040 KC2023 12 19.79396504 47 24.88 +23 45 41.5 20.0 GVEB074L06
PK23S040 KC2023 12 19.79712004 47 24.73 +23 45 41.2 20.2 GVEB074L06
PK23S040 KC2023 12 19.83709 04 47 22.72 +23 45 38.1 21.2 VqEB074A77
PK23S040 KC2023 12 19.84924 04 47 22.01 +23 45 39.0 21.1 VqEB074A77
PK23S040 KC2023 12 19.87676604 47 20.68 +23 45 35.7 VEB074587
PK23S040 KC2023 12 19.88099704 47 20.44 +23 45 35.2 20.1 GVEB074587
PK23S040 KC2023 12 19.89087704 47 19.95 +23 45 34.5 VEB074587
PK23S040 KC2023 12 20.09219504 47 10.05 +23 45 19.0 20.1 GXEB074W62
PK23S040 KC2023 12 20.12657504 47 08.30 +23 45 16.2 20.0 GXEB074W62
PK23S040 KC2023 12 20.15394004 47 06.90 +23 45 14.0 19.9 GXEB074W62
PK23S040 KB2023 12 30.81611 04 39 25.582+23 31 26.87 20.6 VZEB074J57
PK23S040 KB2023 12 30.82990 04 39 25.042+23 31 25.72 21.1 VZEB074J57
PK23S040 KB2023 12 30.84285 04 39 24.550+23 31 24.28 20.9 VZEB074J57
PK23S040 C2024 01 01.23718604 38 35.394+23 29 46.64 21.23wXEB074F51
PK23S040 C2024 01 01.25013404 38 34.925+23 29 45.87 21.26wXEB074F51
PK23S040 C2024 01 01.26307204 38 34.467+23 29 44.93 21.28wXEB074F51
PK23S040 C2024 01 01.27604104 38 33.989+23 29 44.33 21.26wXEB074F51
PK23S040 KC2024 01 12.11916 04 33 55.14 +23 19 09.6 19.8 GVEB074X03
PK23S040 KC2024 01 12.13888 04 33 54.82 +23 19 09.2 19.9 GVEB074X03
PK23S040 KC2024 01 12.15670 04 33 54.43 +23 19 08.6 19.2 GVEB074X03
PK23S040 KC2024 01 12.74711204 33 45.16 +23 18 36.8 21.3 VSEB074L01
PK23S040 KC2024 01 12.75426604 33 45.06 +23 18 36.7 21.4 VSEB074L01
PK23S040 KC2024 01 12.77813 04 33 44.68 +23 18 36.3 21.7 VvEB074A77
PK23S040 KC2024 01 12.78692 04 33 44.48 +23 18 36.2 21.5 VvEB074A77
PK23S040 KC2024 01 12.79399 04 33 44.28 +23 18 36.5 21.7 VvEB074A77
PK23S040 IC2024 01 12.81248804 33 44.03 +23 18 34.1 21.5 VSEB074L01
PK23S040 KC2024 01 15.94461 04 33 03.83 +23 16 35.2 20.7 GVEB074204
PK23S040 KC2024 01 16.01209 04 33 03.17 +23 16 33.1 21.0 GVEB074204
PK23S040 KC2024 01 17.09662404 32 53.690+23 15 59.60 20.75GVEB074V06
PK23S040 KC2024 01 17.11684904 32 53.490+23 15 59.10 20.63GVEB074V06
PK23S040 KC2024 01 17.13319404 32 53.320+23 15 58.70 20.73GVEB074V06
PK23S040 KC2024 01 17.18110504 32 52.870+23 15 57.40 21.04GVEB074V06
Observer details:
204 Schiaparelli Observatory. Observer A. Aletti. Measurers A. Aletti, M.
Auteri. 0.36-m f/7.5 reflector + CCD.
587 Sormano. Observers A. Fumagalli, A. Testa. Measurer A. Testa. 0.5-m
f/6.8 reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observer F. Kugel. 0.4-m f/2.8
reflector+CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith, J. Bulger. 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. 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. Observers R. A. Kowalski, J. K. Hogan. 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. Observers K. W. Wierzchos, 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.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. fornas, G. Fornas, E. Arce, V. Mas. 0.43-m f/6.8 Reflector 0.4m + CMO.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, L. Poropat. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea. Observers E. Valli, G.
Ventre. Measurer P. Sicoli. 0.36m Schmidt Cassegrain + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observer B. Gladman. Measurer
S. Deen. 3.58-m Canada-France-Hawaii Telescope + CCD.
V06 Catalina Sky Survey-Kuiper. Observer G. J. Leonard. Measurers T. Beuden,
V. F. Carvajal, 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. 1.55-m
reflector + 1K CCD.
W62 Comet Hunter Observatory2, New Ringgold. Observer J. Maikner. 0.30-m
f/3.8 Riccardi-Honders + CCD.
W84 Cerro Tololo-DECam. Observer S. Sheppard. Measurer S. Deen. 4.0-m
reflector + 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.
Y89 Proxima Centauri Observatory, Valdin. Observer R. Hahn. 0.36-m f/2.0
reflector + CMO.
Orbital elements:
P/2023 S4 (Hogan)
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 16.62827 TT Rudenko
q 2.5415671 (2000.0) P Q
n 0.17766596 Peri. 11.42155 +0.78578970 -0.61843352
a 3.1337660 Node 26.78619 +0.56593739 +0.71331694
e 0.1889735 Incl. 1.09759 +0.24949832 +0.32972552
P 5.55
>From 120 observations 2005 June 14-2024 Jan. 17, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 12 21 04 46 25.6 +23 44 09 1.6814 2.6429 164.6 5.7 20.8
...
2024 01 05 04 36 36.8 +23 25 35 1.7820 2.6619 147.1 11.6 21.0
...
2024 01 13 04 33 41.1 +23 18 28 1.8569 2.6725 138.3 14.2 21.1
...
2024 01 19 04 32 41.3 +23 15 10 1.9212 2.6807 132.0 15.8 21.2
2024 01 20 04 32 37.5 +23 14 49 1.9325 2.6821 130.9 16.1 21.2
2024 01 21 04 32 35.3 +23 14 30 1.9440 2.6835 129.9 16.3 21.2
...
2024 01 27 04 32 58.1 +23 13 47 2.0159 2.6919 123.9 17.7 21.3
...
2024 02 04 04 35 00.6 +23 15 45 2.1191 2.7034 116.2 19.1 21.4
...
2024 02 19 04 43 10.3 +23 27 09 2.3288 2.7259 102.9 20.7 21.7
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-B74
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