[Iaude] MPEC J126: COMET C/2024 G5 (Leonard)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Tue May 7 22:42:04 EDT 2024
M.P.E.C. 2024-J126 Issued 2024 May 8, 02:39 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 G5 (Leonard)
G. J. Leonard reports the discovery of a comet in four 30-second survey
images taken by Mt. Lemmon Survey (G96) on Apr. 5 UT, noting a condensed
8" coma and a straight 6" tail at position angle 90 deg. Prediscovery positions
were reported back to Dec. 2023. Additional reports of cometary features are as
follows:
OC Date Reporter Coma Tail PA Exposures
291 2024-04-08 C. Lejoly 5".8
G96 2024-04-21 K. Wierzchos 6" 4x30s
Observations:
CK24G050 C2023 12 15.58856309 16 13.819+45 31 14.74 21.73wXEJ126F52
CK24G050 C2023 12 15.61697309 16 12.844+45 31 14.15 21.83wXEJ126F52
CK24G050 C2023 12 15.63121609 16 12.360+45 31 13.95 22.06wXEJ126F52
CK24G050 C2024 01 03.44741309 01 01.974+45 12 37.39 21.19wXEJ126F52
CK24G050 C2024 01 03.46101509 01 01.115+45 12 35.89 21.30wXEJ126F52
CK24G050 C2024 01 03.48827309 00 59.340+45 12 32.63 21.24wXEJ126F52
CK24G050 ZC2024 01 06.39576308 57 49.69 +45 05 55.9 21.2 rWEJ126I41
CK24G050 C2024 01 06.48014908 57 44.089+45 05 43.09 21.30wXEJ126F51
CK24G050 C2024 01 06.49385208 57 43.179+45 05 40.78 21.26wXEJ126F51
CK24G050 C2024 01 06.53100008 57 40.589+45 05 35.55 21.54wXEJ126F51
CK24G050 ZC2024 01 13.42982608 49 28.55 +44 43 46.6 20.4 rWEJ126I41
CK24G050 ZC2024 01 15.27908808 47 08.71 +44 36 19.8 20.2 rWEJ126I41
CK24G050 ZC2024 01 15.34138608 47 03.86 +44 36 03.7 21.5 gWEJ126I41
CK24G050 ZC2024 01 17.44916808 44 20.83 +44 26 39.3 20.9 gWEJ126I41
CK24G050 ZC2024 01 31.38314608 25 44.53 +42 58 36.6 WEJ126I41
CK24G050 C2024 02 05.36898108 19 12.078+42 15 56.80 20.58wXEJ126F52
CK24G050 C2024 02 05.38004608 19 11.207+42 15 50.52 20.58wXEJ126F52
CK24G050 C2024 02 05.39113808 19 10.297+42 15 44.50 20.90wXEJ126F52
CK24G050 C2024 02 05.40221508 19 09.427+42 15 38.29 20.57wXEJ126F52
CK24G050 1C2024 02 17.16236008 05 07.343+40 13 34.68 20.76GVEJ126G96
CK24G050 1C2024 02 17.16799608 05 06.954+40 13 30.50 20.34GVEJ126G96
CK24G050 1C2024 02 17.17364508 05 06.558+40 13 26.87 20.55GVEJ126G96
CK24G050 1C2024 02 17.17929108 05 06.191+40 13 22.98 20.06GVEJ126G96
CK24G050*1C2024 04 05.13126107 44 13.513+29 28 22.66 20.83GVEJ126G96
CK24G050 1C2024 04 05.13876307 44 13.618+29 28 17.44 20.95GVEJ126G96
CK24G050 1C2024 04 05.14407807 44 13.657+29 28 12.11 20.36GVEJ126G96
CK24G050 1C2024 04 05.14940507 44 13.675+29 28 07.54 VEJ126G96
CK24G050 1C2024 04 05.15838107 44 13.848+29 28 00.30 19.92GVEJ126G96
CK24G050 1C2024 04 05.16979407 44 13.909+29 27 51.08 19.99GVEJ126G96
CK24G050 1C2024 04 05.18147307 44 14.057+29 27 41.54 19.99GVEJ126G96
CK24G050 1C2024 04 05.19316207 44 14.183+29 27 31.75 20.33GVEJ126G96
CK24G050 KC2024 04 05.22792707 44 14.521+29 27 02.88 20.52GVEJ126I52
CK24G050 KC2024 04 05.23210307 44 14.590+29 26 58.88 19.66GVEJ126I52
CK24G050 KC2024 04 05.23626707 44 14.640+29 26 55.79 20.92GVEJ126I52
CK24G050 KC2024 04 05.24042907 44 14.780+29 26 52.84 19.73GVEJ126I52
CK24G050 KC2024 04 06.79469207 44 34.01 +29 05 31.9 20.6 GVEJ126L01
CK24G050 KC2024 04 06.80222 07 44 34.17 +29 05 25.3 VEJ126587
CK24G050 KC2024 04 06.80854 07 44 34.25 +29 05 20.5 20.1 GVEJ126587
CK24G050 KC2024 04 06.82342107 44 34.40 +29 05 07.6 20.3 GVEJ126L01
CK24G050 KC2024 04 06.82584807 44 34.45 +29 05 05.8 20.4 GVEJ126L01
CK24G050 KC2024 04 08.12684 07 44 53.06 +28 47 17.6 20.1 RVEJ126291
CK24G050 KC2024 04 08.12973 07 44 53.10 +28 47 15.3 20.3 RVEJ126291
CK24G050 KC2024 04 08.13262 07 44 53.15 +28 47 12.8 20.3 RVEJ126291
CK24G050 C2024 04 08.25225607 44 54.913+28 45 35.29 21.00wXEJ126F51
CK24G050 C2024 04 08.26504207 44 55.074+28 45 24.70 20.73wXEJ126F51
CK24G050 C2024 04 08.27837607 44 55.296+28 45 13.68 20.90wXEJ126F51
CK24G050 C2024 04 08.29113107 44 55.475+28 45 03.18 21.30wXEJ126F51
CK24G050 KC2024 04 08.84661 07 45 04.19 +28 37 27.7 20.8 GVEJ126G00
CK24G050 KB2024 04 08.89733 07 45 05.04 +28 36 45.4 21.2 VqEJ126Y66
CK24G050 KB2024 04 08.89941 07 45 05.03 +28 36 44.2 21.0 VqEJ126Y66
CK24G050 KC2024 04 08.90123 07 45 04.95 +28 36 42.7 20.0 GVEJ126G00
CK24G050 KB2024 04 08.90149 07 45 05.05 +28 36 42.6 21.5 VqEJ126Y66
CK24G050 KB2024 04 09.85104 07 45 20.964+28 23 44.77 19.4 GXEJ126J57
CK24G050 KB2024 04 09.87172 07 45 21.269+28 23 28.50 20.1 GXEJ126J57
CK24G050 KB2024 04 09.89732 07 45 21.75 +28 23 07.5 21.3 VqEJ126Y66
CK24G050 KB2024 04 09.89940 07 45 21.74 +28 23 06.2 21.1 VqEJ126Y66
CK24G050 KB2024 04 09.90148 07 45 21.81 +28 23 04.2 21.0 VqEJ126Y66
CK24G050 0C2024 04 10.15499 07 45 26.28 +28 19 36.4 VEJ126U94
CK24G050 0C2024 04 10.16098 07 45 26.40 +28 19 31.5 20.3 GVEJ126U94
CK24G050 mC2024 04 11.19220907 45 45.210+28 05 30.30 20.93GVEJ126V06
CK24G050 mC2024 04 11.20217407 45 45.370+28 05 22.20 21.78GVEJ126V06
CK24G050 mC2024 04 11.21236107 45 45.570+28 05 13.30 21.04GVEJ126V06
CK24G050 mC2024 04 11.22153807 45 45.690+28 05 06.30 21.55GVEJ126V06
CK24G050 KB2024 04 12.88373 07 46 19.01 +27 42 32.9 20.1 GXEJ126G00
CK24G050 KB2024 04 12.89299 07 46 19.21 +27 42 25.8 20.2 GXEJ126G00
CK24G050 KB2024 04 12.90226 07 46 19.39 +27 42 17.7 19.5 GXEJ126G00
CK24G050 KC2024 04 20.18377 07 49 21.94 +26 04 32.7 20.2 RVEJ126291
CK24G050 KC2024 04 20.20170 07 49 22.49 +26 04 18.1 20.0 RVEJ126291
CK24G050 1C2024 04 21.17460707 49 51.132+25 51 21.56 20.17GVEJ126G96
CK24G050 1C2024 04 21.17981507 49 51.341+25 51 17.57 20.41GVEJ126G96
CK24G050 1C2024 04 21.18502307 49 51.431+25 51 12.56 20.27GVEJ126G96
CK24G050 1C2024 04 21.19024307 49 51.578+25 51 09.22 20.58GVEJ126G96
CK24G050 KB2024 04 21.86234407 50 12.008+25 42 12.62 19.4 VZEJ126Y89
CK24G050 KB2024 04 21.88124407 50 12.618+25 41 58.29 19.2 VZEJ126Y89
CK24G050 KB2024 04 21.90368107 50 13.225+25 41 41.02 19.2 VZEJ126Y89
CK24G050 KB2024 04 22.88406 07 50 43.94 +25 28 40.0 qEJ126Y66
CK24G050 KB2024 04 22.88745 07 50 43.99 +25 28 38.1 qEJ126Y66
CK24G050 KB2024 04 22.89046 07 50 44.11 +25 28 35.0 qEJ126Y66
CK24G050 KB2024 04 24.83472 07 51 47.55 +25 02 51.9 20.8 GVEJ126204
CK24G050 KB2024 04 24.86408 07 51 48.51 +25 02 29.5 VEJ126204
CK24G050 KB2024 04 24.87652 07 51 48.97 +25 02 20.3 qEJ126Y66
CK24G050 KB2024 04 24.87861 07 51 49.02 +25 02 19.1 qEJ126Y66
CK24G050 KB2024 04 24.88069 07 51 49.07 +25 02 17.3 qEJ126Y66
CK24G050 mC2024 04 30.14137007 54 58.439+23 53 12.73 20.81GVEJ126V06
CK24G050 mC2024 04 30.15309507 54 58.889+23 53 03.52 20.92GVEJ126V06
CK24G050 mC2024 04 30.16712207 54 59.422+23 52 52.43 20.96GVEJ126V06
CK24G050 mC2024 04 30.17973807 54 59.893+23 52 42.60 20.89GVEJ126V06
CK24G050 !C2024 05 02.18519 07 56 18.58 +23 26 32.4 20.7 GVEJ126673
CK24G050 !C2024 05 02.20290 07 56 19.24 +23 26 18.4 VEJ126673
CK24G050 KB2024 05 05.87641 07 58 51.91 +22 38 34.4 qEJ126Y66
CK24G050 KB2024 05 05.87872 07 58 52.01 +22 38 33.1 qEJ126Y66
CK24G050 KB2024 05 05.88070 07 58 52.08 +22 38 31.6 qEJ126Y66
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. Measurers L. Buzzi, A.
Aletti. 0.84-m f/3.5 reflector + CMO.
291 LPL/Spacewatch II. Observers C. Lejoly, A. F. Tubbiolo. 1.8-m f/2.7
reflector + CCD.
587 Sormano. Observers A. Fumagalli, A. Testa. Measurer A. Testa. 0.5-m
f/6.8 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Pittichova. 1.0-m
f/15 reflector + CCD.
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, 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, S. Chastel. 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, 0.40-m f/3.2 reflector +
CMO.
G96 Mt. Lemmon Survey. Observers T. Beuden, J. K. Hogan, G. J. Leonard, 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.
I41 Palomar Mountain--ZTF. Observer . Measurer S. Deen. 1.2-m Oschin
Schmidt + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller. 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.
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 CDK + CMO.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, G. D'Agostino, E.
Pettarin, L. Poropat. Measurer E. Pettarin. 1.0-m f/2.9 reflector + CCD.
U94 iTelescope Observatory, Beryl Junction. Observer H. Sato. 0.43-m f/6.8
astrograph + CCD.
V06 Catalina Sky Survey-Kuiper. Observers V. F. Carvajal, 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.
Y66 Two-Meter Twin Telescope, TTT2, Teide. Observer M. R. Alarcon.
Measurer M. Serra-Ricart. 0.80-m f/4.38 reflector + CMO.
Y89 Proxima Centauri Observatory, Valdin. Observer R. Hahn. 0.36-m f/2.0
reflector + CMO.
Orbital elements:
C/2024 G5 (Leonard)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Sept. 6.98478 TT Rudenko
q 2.9529125 (2000.0) P Q
z +0.0018833 Peri. 209.55729 -0.84680943 -0.02523943
+/-0.0000138 Node 316.39882 +0.49259955 -0.41401957
e 0.9944387 Incl. 50.39019 -0.20064761 -0.90991800
>From 92 observations 2023 Dec. 15-2024 May 5, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 04 08 07 44 51.2 +28 49 03 3.0784 3.3129 94.6 17.5 20.6
...
2024 04 23 07 50 47.6 +25 27 10 3.2346 3.2494 81.9 17.8 20.7
...
2024 05 01 07 55 31.8 +23 42 01 3.3181 3.2176 75.5 17.6 20.7
...
2024 05 07 07 59 40.8 +22 24 02 3.3796 3.1948 70.9 17.4 20.7
2024 05 08 08 00 25.0 +22 11 06 3.3897 3.1911 70.1 17.3 20.7
2024 05 09 08 01 10.0 +21 58 10 3.3998 3.1874 69.4 17.2 20.7
...
2024 05 15 08 05 54.7 +20 40 49 3.4590 3.1657 64.9 16.8 20.7
...
2024 05 23 08 12 49.5 +18 57 57 3.5343 3.1383 59.2 16.1 20.7
...
2024 06 07 08 27 16.1 +15 44 11 3.6614 3.0914 49.0 14.3 20.7
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-J126
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