[Iaude] MPEC F91: COMET C/2024 E2 (Bok)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Wed Mar 27 16:12:01 EDT 2024
M.P.E.C. 2024-F91 Issued 2024 March 27, 20:07 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 E2 (Bok)
J. Maikner reports cometary activity of an asteroidal NEOCP candidate
(first reported by Kitt Peak-Bok - V00 on Mar. 10 UT), noting a condensed
2" coma and a straight 9".5 tail at position angle 130 deg in 50 stacked
120-sec exposures obtained on Mar. 14 UT. Additional reports of cometary
features are as follows:
OC Date Reporter Coma Tail PA Exposures
088 2024-03-14 L. Elenin 3" 2".5 320
Z31 2024-03-25 P. Breitenstein 4" 5" 250-290 9x120s
Observations:
CK24E020* C2024 03 10.25252208 29 30.829+22 09 00.79 22.75GVEF091V00
CK24E020 C2024 03 10.25814908 29 30.592+22 09 01.69 22.33GVEF091V00
CK24E020 C2024 03 10.26376308 29 30.347+22 09 02.95 22.31GVEF091V00
CK24E020 C2024 03 10.26937008 29 30.142+22 09 04.07 23.50GVEF091V00
CK24E020 KC2024 03 11.10489608 28 57.36 +22 12 07.3 22.6 GVEF091H21
CK24E020 KC2024 03 11.11645308 28 56.90 +22 12 09.4 22.4 GVEF091H21
CK24E020 KC2024 03 11.11934208 28 56.80 +22 12 10.0 22.1 GVEF091H21
CK24E020 mC2024 03 11.19206108 28 53.951+22 12 26.24 21.87GVEF091V00
CK24E020 mC2024 03 11.20024808 28 53.623+22 12 27.65 22.02GVEF091V00
CK24E020 mC2024 03 11.20465908 28 53.447+22 12 28.80 22.00GVEF091V00
CK24E020 mC2024 03 11.20836108 28 53.303+22 12 29.56 21.84GVEF091V00
CK24E020 KC2024 03 12.12166 08 28 17.97 +22 15 46.5 21.6 GVEF091291
CK24E020 KC2024 03 12.13674 08 28 17.39 +22 15 49.9 22.0 GVEF091291
CK24E020 KC2024 03 12.15192 08 28 16.79 +22 15 53.2 22.1 GVEF091291
CK24E020 KC2024 03 13.26628508 27 34.232+22 19 49.84 21.87GVEF091V06
CK24E020 KC2024 03 13.28688608 27 33.440+22 19 54.16 21.97GVEF091V06
CK24E020 KC2024 03 13.33635908 27 31.565+22 20 04.52 22.09GVEF091V06
CK24E020 KB2024 03 13.96012 08 27 08.13 +22 22 14.7 20.6 RZEF091106
CK24E020 KB2024 03 13.98640 08 27 07.21 +22 22 20.2 20.5 RZEF091106
CK24E020 KB2024 03 13.99954 08 27 06.67 +22 22 22.8 20.6 RZEF091106
CK24E020 KC2024 03 14.07106408 27 04.09 +22 22 38.1 21.2 GXEF091W62
CK24E020 KC2024 03 14.09492208 27 03.19 +22 22 43.0 21.2 GXEF091W62
CK24E020 KC2024 03 14.11692 08 27 02.38 +22 22 48.7 21.2 GVEF091291
CK24E020 KC2024 03 14.11807208 27 02.31 +22 22 47.9 20.9 GXEF091W62
CK24E020 KC2024 03 14.13193 08 27 01.80 +22 22 50.5 21.8 GVEF091291
CK24E020 KC2024 03 14.14697 08 27 01.23 +22 22 53.8 21.6 GVEF091291
CK24E020 KC2024 03 14.76142 08 26 38.426+22 25 01.07 21.4 GXEF091088
CK24E020 KC2024 03 14.78251 08 26 37.660+22 25 05.21 21.4 GXEF091088
CK24E020 1C2024 03 16.14710608 25 47.885+22 29 41.85 LEF091658
CK24E020 1C2024 03 16.15379608 25 47.630+22 29 43.23 LEF091658
CK24E020 1C2024 03 16.15937508 25 47.417+22 29 44.37 LEF091658
CK24E020 1C2024 03 16.16495408 25 47.221+22 29 45.75 LEF091658
CK24E020 1C2024 03 16.17053208 25 47.019+22 29 47.01 LEF091658
CK24E020 5C2024 03 16.94808 08 25 19.08 +22 32 22.4 21.7 GVEF091Z24
CK24E020 5C2024 03 16.95538 08 25 18.79 +22 32 24.0 21.4 GVEF091Z24
CK24E020 1C2024 03 25.16086808 20 47.481+22 57 42.80 LEF091658
CK24E020 1C2024 03 25.16532408 20 47.353+22 57 43.70 LEF091658
CK24E020 1C2024 03 25.16979208 20 47.221+22 57 44.48 LEF091658
CK24E020 1C2024 03 25.17425908 20 47.085+22 57 45.28 LEF091658
CK24E020 1C2024 03 25.17871508 20 46.950+22 57 45.91 LEF091658
CK24E020 1C2024 03 25.18318308 20 46.824+22 57 46.37 LEF091658
CK24E020 3C2024 03 25.97684 08 20 22.80 +23 00 02.5 20.9 G EF091Z31
CK24E020 3C2024 03 25.98127 08 20 22.65 +23 00 02.4 20.9 G EF091Z31
CK24E020 3C2024 03 25.98569 08 20 22.48 +23 00 03.7 20.6 G EF091Z31
Observer details:
088 Kottomia. Observers A. Abdelaziz, R. Hassan, A. Eid. Measurer L. Elenin.
1.88-m f/8.0 reflector + CCD.
106 Crni Vrh. Observer H. Mikuz. 0.60-m f/3.3 reflector + CMO.
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 1.8-m f/2.7 reflector + CCD.
658 National Research Council of Canada. Observers D. D. Balam, C. E. Spratt.
Measurers D. D. Balam, D. W. E. Green. 1.82-m Reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
V00 Kitt Peak-Bok. Observer M. J. Brucker. Measurers M. J. Brucker, C. E.
Woodward, T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A.
R. Gibbs, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, C.
Lejoly, G. J. Leonard, R. A. Mastaler, R. S. McMillan, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + 4x4K mosaic
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.
Z24 Tenerife Observatory-LCO B, Tenerife. Observer A. Hale. 1.0-m f/8
Schmidt-Cassegrain + CCD.
Z31 Tenerife Observatory-LCO A, Tenerife. Observer P. Breitenstein. 1.0-m
Ritchey-Chretien + CCD.
Orbital elements:
C/2024 E2 (Bok)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2023 May 29.59532 TT Bell
q 7.6218237 (2000.0) P Q
z -0.0153847 Peri. 347.84729 -0.83555428 +0.47358475
+/-0.0000003 Node 135.81815 +0.53159108 +0.56883495
e 1.1172594 Incl. 156.44582 +0.13878028 +0.67241674
>From 44 observations 2024 Mar. 10-25, mean residual 0".2.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 02 26 09 52 54.0 +05 41 57 6.6528 7.6281 169.5 1.4 21.4
...
2024 03 12 09 41 27.7 +07 16 10 6.7262 7.6246 152.9 3.4 21.5
...
2024 03 20 09 35 51.3 +08 04 21 6.7983 7.6232 143.6 4.4 21.5
...
2024 03 26 09 31 57.9 +08 38 54 6.8656 7.6224 136.7 5.1 21.5
2024 03 27 09 31 20.7 +08 44 31 6.8778 7.6223 135.6 5.3 21.5
2024 03 28 09 30 44.0 +08 50 04 6.8903 7.6222 134.4 5.4 21.5
...
2024 04 03 09 27 15.6 +09 22 24 6.9707 7.6217 127.6 6.0 21.5
...
2024 04 11 09 23 09.6 +10 02 32 7.0906 7.6213 118.6 6.6 21.6
...
2024 04 26 09 17 12.9 +11 07 55 7.3436 7.6216 102.3 7.4 21.7
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-F91
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