[Iaude] MPEC K31: COMET C/2024 J2 (Wierzchos)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sun May 19 19:53:53 EDT 2024
M.P.E.C. 2024-K31 Issued 2024 May 19, 23:51 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 J2 (Wierzchos)
K. W. Wierzchos reports the discovery of a comet in survey images taken by
Mt. Lemmon Survey (G96) on May 11 UT, noting a condensed 5" coma and a broad
7" tail at position angle 220 - 250 deg. Prediscovery positions were reported
back to Mar. 2024. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
I52 2024-05-11 T. Beuden 4".5
U94 2024-05-12 H. Sato 8"
G00 2024-05-13 M. Jaeger 12" 21x60s
I52 2024-05-14 K. Wierzchos 7"
G00 2024-05-14 M. Jaeger 12" 25x80s
Observations:
CK24J020 C2024 03 18.60921614 57 28.705+35 46 25.83 22.05GVEK031F52
CK24J020 C2024 03 18.62168014 57 28.445+35 46 37.90 20.95GVEK031F52
CK24J020 C2024 03 18.63409714 57 28.225+35 46 50.22 21.60GVEK031F52
CK24J020 KC2024 03 29.58085314 52 52.749+38 43 20.83 21.44GVEK031F52
CK24J020 KC2024 04 20.56979514 36 41.575+44 01 14.38 21.98GVEK031F52
CK24J020 KC2024 04 26.53752314 30 59.499+45 11 44.43 21.17GVEK031F52
CK24J020 KC2024 04 27.60895214 29 55.500+45 23 28.55 21.09GVEK031F51
CK24J020*1C2024 05 11.26844114 15 42.948+47 26 27.67 21.29GVEK031G96
CK24J020 1C2024 05 11.27403514 15 42.595+47 26 29.54 19.98GVEK031G96
CK24J020 1C2024 05 11.27958414 15 42.116+47 26 32.14 19.99GVEK031G96
CK24J020 1C2024 05 11.28502214 15 41.886+47 26 34.12 20.11GVEK031G96
CK24J020 KC2024 05 11.35014814 15 37.609+47 27 02.74 20.75GVEK031I52
CK24J020 KC2024 05 11.35769614 15 37.091+47 27 05.98 20.77GVEK031I52
CK24J020 KC2024 05 11.36511014 15 36.562+47 27 09.40 VEK031I52
CK24J020 KC2024 05 11.37253214 15 36.220+47 27 14.00 VEK031I52
CK24J020 KB2024 05 11.93885 14 15 00.49 +47 31 10.4 21.1 VqEK031Y66
CK24J020 KB2024 05 11.94093 14 15 00.41 +47 31 11.8 20.5 VqEK031Y66
CK24J020 KB2024 05 11.94302 14 15 00.22 +47 31 12.9 21.1 VqEK031Y66
CK24J020 KC2024 05 11.96284 14 14 58.81 +47 31 21.0 19.7 GVEK031104
CK24J020 KC2024 05 11.96316 14 14 58.88 +47 31 20.2 20.0 RqEK031L27
CK24J020 KC2024 05 11.97536 14 14 57.96 +47 31 24.9 19.6 GVEK031104
CK24J020 KC2024 05 12.00900 14 14 55.89 +47 31 38.3 20.0 RqEK031L27
CK24J020 KC2024 05 12.02828 14 14 54.61 +47 31 46.1 20.1 GXEK031K83
CK24J020 KC2024 05 12.05359 14 14 52.92 +47 31 57.1 20.6 GXEK031K83
CK24J020 KC2024 05 12.05480 14 14 52.97 +47 31 57.1 20.1 RqEK031L27
CK24J020 KC2024 05 12.10063 14 14 50.01 +47 32 15.8 20.1 RqEK031L27
CK24J020 0C2024 05 12.30489 14 14 37.23 +47 33 40.9 VEK031U94
CK24J020 0C2024 05 12.31399 14 14 36.60 +47 33 44.5 20.5 GVEK031U94
CK24J020 KB2024 05 13.88268 14 12 57.57 +47 44 04.7 19.9 VZEK031185
CK24J020 KB2024 05 13.89444 14 12 56.86 +47 44 09.3 ZEK031185
CK24J020 KB2024 05 13.90643 14 12 55.97 +47 44 12.3 19.5 VZEK031185
CK24J020 KC2024 05 13.98703 14 12 50.82 +47 44 44.0 20.3 GVEK031G00
CK24J020 KC2024 05 13.99127 14 12 50.55 +47 44 45.7 20.5 GVEK031G00
CK24J020 KC2024 05 13.99552 14 12 50.37 +47 44 47.3 20.4 GVEK031G00
CK24J020 KC2024 05 14.21325414 12 36.716+47 46 10.81 20.11GVEK031I52
CK24J020 KC2024 05 14.21990214 12 36.346+47 46 12.14 19.89GVEK031I52
CK24J020 KC2024 05 14.22567314 12 35.939+47 46 14.56 20.16GVEK031I52
CK24J020 KC2024 05 14.23150314 12 35.564+47 46 17.08 20.22GVEK031I52
CK24J020 KB2024 05 14.94149 14 11 50.98 +47 50 39.8 20.8 GXEK031A71
CK24J020 KB2024 05 14.95004 14 11 50.30 +47 50 42.3 20.5 GXEK031A71
CK24J020 KB2024 05 14.95810 14 11 49.81 +47 50 45.2 19.7 GXEK031A71
CK24J020 KB2024 05 15.93440 14 10 48.58 +47 56 32.5 20.0 GXEK031M45
CK24J020 KB2024 05 15.94249 14 10 48.05 +47 56 35.3 XEK031M45
CK24J020 KB2024 05 16.04291 14 10 41.87 +47 57 11.5 qEK031Y66
CK24J020 KB2024 05 16.04500 14 10 41.72 +47 57 12.0 qEK031Y66
CK24J020 KB2024 05 16.04708 14 10 41.51 +47 57 12.7 qEK031Y66
CK24J020 KB2024 05 16.93883 14 09 46.21 +48 02 13.9 qEK031Y66
CK24J020 KB2024 05 16.94057 14 09 46.05 +48 02 15.0 qEK031Y66
CK24J020 KB2024 05 16.94196 14 09 45.99 +48 02 15.4 qEK031Y66
CK24J020 KC2024 05 17.87711414 08 47.92 +48 07 15.9 20.1 GUEK031L06
CK24J020 KC2024 05 17.88130514 08 47.67 +48 07 17.4 20.0 GUEK031L06
CK24J020 KB2024 05 17.93883 14 08 44.16 +48 07 35.7 21.3 VqEK031Y66
CK24J020 KB2024 05 17.94091 14 08 43.99 +48 07 36.7 20.4 VqEK031Y66
CK24J020 KB2024 05 17.94300 14 08 43.90 +48 07 37.1 22.1 VqEK031Y66
CK24J020 DC2024 05 19.15756 14 07 29.21 +48 13 46.8 22.0 GVEK031695
CK24J020 DC2024 05 19.16406 14 07 28.81 +48 13 48.8 21.6 GVEK031695
CK24J020 DC2024 05 19.17055 14 07 28.40 +48 13 50.8 21.7 GVEK031695
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D.
Grazia. Measurer P. Bacci. 0.60-m f/4 reflector + CCD.
185 Observatoire Astronomique Jurassien-Vicques. Observer D. Lachat. 0.61-m
f/3.2 reflector + CMO.
695 Kitt Peak. Observer A. F. Tubbiolo. 2.3-m f/9 reflector + CCD.
A71 Stixendorf. Observers M. Jaeger, E. Prosperi. Measurer M. Jaeger.
0.34-m f/4.2 reflector + CMO.
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. 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. 0.4-m f/3.2 reflector + CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. 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. 1.5-m reflector +
10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers T. Beuden, K. W.
Wierzchos. 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. 1.0-m prime focus + CCD.
K83 Beppe Forti Astronomical Observatory, Montelupo. Observers M. Tombelli,
G. Interrante, T. Bitossi, R. Ciani, A. Mazzanti. Measurers M. Tombelli,
F. Bernardi, A. Squilloni, F. Cheli. 0.40-m f/8 Ritchey-Chretien + CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea. Observer G. Ventre. Measurer
P. Sicoli. 0.36m Schmidt Cassegrain + CCD.
L27 29PREMOTE Observatory, Dauban. Observer J.-F. Soulier. 0.25-m f/3.5
Newtonian reflector + CCD.
M45 Starhopper Observatory, Sfantu Gheorghe. Observer F. Ursache. 0.41-m
f/7.5 reflector + CMO.
U94 iTelescope Observatory, Beryl Junction. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Y66 Two-Meter Twin Telescope, TTT2, Teide. Observer M. R. Alarcon.
Measurer M. Serra-Ricart. 0.80-m f/4.38 reflector + CMO.
Orbital elements:
C/2024 J2 (Wierzchos)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 Mar. 19.72757 TT Rudenko
q 1.8107017 (2000.0) P Q
z +0.0067039 Peri. 143.15414 +0.80780912 +0.56877287
+/-0.0000536 Node 189.06022 -0.21969145 +0.53410982
e 0.9878611 Incl. 79.29424 +0.54697357 -0.62547911
>From 57 observations 2024 Mar. 18-May 19, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 04 19 14 38 07.2 +43 41 19 3.5628 4.2075 124.0 11.4 20.5
...
2024 05 04 14 23 22.9 +46 27 22 3.5106 4.0743 117.4 12.7 20.3
...
2024 05 12 14 14 56.6 +47 31 35 3.4998 4.0031 112.9 13.4 20.2
...
2024 05 18 14 08 40.4 +48 07 55 3.4978 3.9496 109.3 14.0 20.2
2024 05 19 14 07 38.8 +48 12 59 3.4979 3.9407 108.7 14.1 20.2
2024 05 20 14 06 37.7 +48 17 48 3.4981 3.9318 108.1 14.2 20.2
...
2024 05 26 14 00 43.2 +48 40 57 3.5015 3.8782 104.3 14.7 20.1
...
2024 06 03 13 53 34.1 +48 57 23 3.5103 3.8067 99.2 15.2 20.0
...
2024 06 18 13 43 22.3 +48 49 30 3.5334 3.6725 89.8 16.1 19.9
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-K31
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