[Iaude] MPEC O16: COMET C/2024 M1 (ATLAS)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sat Jul 20 00:17:51 EDT 2024
M.P.E.C. 2024-O16 Issued 2024 July 20, 04:15 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 M1 (ATLAS)
H. Sato reports cometary activity of an asteroidal NEOCP candidate (first
reported by ATLAS Chile - W68 on Jun. 29 UT) on 8 stacked 30-second
follow-up exposures taken on Jul. 3 UT, noting a very condensed 7" coma.
Prediscovery positions were reported back to 2022. Additional reports of
cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
W88 2024-07-08 N. Paul 7".7 15x50s
X07 2024-07-08 K. Yoshimoto 8" 6" 240 20x30s
X07 2024-07-18 T. Prystavski 8".7 8".7 272 11x60s
Observations:
CK24M010 &C2022 05 10.39199518 17 08.80 -59 32 24.1 23.0 gWEO016W84
CK24M010 &C2023 06 06.30197219 42 07.48 -76 10 08.2 20.9 zWEO016W84
CK24M010* C2024 06 29.42281704 52 44.549-39 09 57.60 17.86oVEO016W68
CK24M010 C2024 06 29.42694304 52 45.055-39 09 54.43 17.69oVEO016W68
CK24M010 C2024 06 29.43200904 52 45.622-39 09 50.94 17.93oVEO016W68
CK24M010 C2024 06 29.44441704 52 47.004-39 09 41.72 18.37oVEO016W68
CK24M010 C2024 06 30.17361 04 54 11.28 -39 00 35.9 18.4 RoEO016K95
CK24M010 C2024 06 30.17545 04 54 11.46 -39 00 34.6 18.0 RoEO016K95
CK24M010 C2024 06 30.18944 04 54 13.07 -39 00 23.7 18.6 RoEO016K95
CK24M010 C2024 06 30.19036 04 54 13.22 -39 00 23.2 18.3 RoEO016K95
CK24M010 C2024 06 30.19127 04 54 13.23 -39 00 21.1 17.9 RoEO016K95
CK24M010 C2024 06 30.33546004 54 30.04 -38 58 33.3 WEO016X09
CK24M010 C2024 06 30.34881104 54 31.58 -38 58 23.9 WEO016X09
CK24M010 C2024 06 30.36120104 54 32.99 -38 58 14.9 WEO016X09
CK24M010 C2024 06 30.36686004 54 33.67 -38 58 11.1 WEO016X09
CK24M010 C2024 06 30.40079904 54 37.52 -38 57 45.8 WEO016X09
CK24M010 C2024 06 30.40859304 54 38.45 -38 57 39.8 WEO016X09
CK24M010 C2024 06 30.42080204 54 39.80 -38 57 31.3 WEO016X09
CK24M010 C2024 07 01.17565 04 56 06.45 -38 48 09.6 18.1 RoEO016K95
CK24M010 C2024 07 01.17749 04 56 06.68 -38 48 08.3 18.0 RoEO016K95
CK24M010 0B2024 07 01.18568 04 56 07.694-38 48 02.23 18.3 VZEO016M49
CK24M010 0B2024 07 01.19030 04 56 08.208-38 47 58.85 19.1 VZEO016M49
CK24M010 0B2024 07 01.19457 04 56 08.688-38 47 55.36 18.3 VZEO016M49
CK24M010 C2024 07 01.34476004 56 25.92 -38 46 03.2 WEO016X09
CK24M010 C2024 07 01.37359304 56 29.24 -38 45 42.0 WEO016X09
CK24M010 C2024 07 01.39540104 56 31.72 -38 45 26.1 WEO016X09
CK24M010 |C2024 07 01.41076004 56 33.490-38 45 15.20 18.0 GVEO016807
CK24M010 |C2024 07 01.41223004 56 33.640-38 45 14.00 18.0 GVEO016807
CK24M010 |C2024 07 01.41370004 56 33.820-38 45 13.10 18.2 GVEO016807
CK24M010 |C2024 07 01.41516004 56 33.980-38 45 11.80 18.1 GVEO016807
CK24M010 C2024 07 01.42502304 56 35.10 -38 45 04.5 WEO016X09
CK24M010 C2024 07 01.43910 04 56 36.71 -38 44 54.3 18.2 GVEO016W79
CK24M010 C2024 07 01.43999204 56 36.82 -38 44 53.9 WEO016X09
CK24M010 C2024 07 01.44192 04 56 37.02 -38 44 52.3 18.4 GVEO016W79
CK24M010 C2024 07 01.44473 04 56 37.35 -38 44 50.0 18.3 GVEO016W79
CK24M010 KC2024 07 01.72595 04 57 09.49 -38 41 22.1 18.2 VqEO016E94
CK24M010 KC2024 07 01.73701 04 57 10.75 -38 41 13.8 18.3 VqEO016E94
CK24M010 KC2024 07 01.74766 04 57 11.96 -38 41 06.0 18.2 VqEO016E94
CK24M010 0C2024 07 03.39778 05 00 19.51 -38 20 55.4 VEO016X07
CK24M010 0C2024 07 03.39991 05 00 19.75 -38 20 54.2 17.6 GVEO016X07
CK24M010 C2024 07 03.69647505 00 53.239-38 17 17.70 18.2 GVEO016474
CK24M010 C2024 07 03.69849405 00 53.465-38 17 15.90 18.1 GVEO016474
CK24M010 C2024 07 03.70051505 00 53.693-38 17 14.50 18.2 GVEO016474
CK24M010 C2024 07 03.70253605 00 53.926-38 17 13.06 18.0 GVEO016474
CK24M010 C2024 07 03.70455605 00 54.146-38 17 11.58 18.2 GVEO016474
CK24M010 C2024 07 04.43913 05 02 16.87 -38 08 20.6 18.1 GVEO016W89
CK24M010 C2024 07 04.44195 05 02 17.21 -38 08 18.2 17.8 GVEO016W89
CK24M010 C2024 07 04.44477 05 02 17.53 -38 08 16.2 17.7 GVEO016W89
CK24M010 "C2024 07 05.40264 05 04 04.80 -37 56 46.2 17.7 GVEO016W88
CK24M010 "C2024 07 05.40406 05 04 04.95 -37 56 45.0 17.7 GVEO016W88
CK24M010 KC2024 07 05.68259 05 04 36.03 -37 53 25.0 18.2 VqEO016E94
CK24M010 KC2024 07 05.68340 05 04 36.09 -37 53 24.8 18.2 VqEO016E94
CK24M010 KC2024 07 05.71230 05 04 39.33 -37 53 04.0 17.9 VqEO016E94
CK24M010 KC2024 07 05.71255 05 04 39.36 -37 53 03.7 17.9 VqEO016E94
CK24M010 KC2024 07 05.74183 05 04 42.61 -37 52 42.7 18.1 VqEO016E94
CK24M010 KC2024 07 05.74195 05 04 42.61 -37 52 43.2 17.9 VqEO016E94
CK24M010 %C2024 07 06.39227 05 05 54.986-37 44 59.93 17.7 GVEO016W88
CK24M010 %C2024 07 06.39987 05 05 55.750-37 44 53.95 18.1 GVEO016W88
CK24M010 3C2024 07 06.41686 05 05 57.655-37 44 42.11 18.0 GVEO016W88
CK24M010 C2024 07 06.42339805 05 58.409-37 44 37.50 17.86oVEO016W68
CK24M010 C2024 07 06.42942805 05 59.071-37 44 33.50 17.87oVEO016W68
CK24M010 3C2024 07 06.43081 05 05 59.150-37 44 32.82 17.7 GVEO016W88
CK24M010 C2024 07 06.43366405 05 59.551-37 44 30.80 17.66oVEO016W68
CK24M010 C2024 07 06.44382005 06 00.655-37 44 23.78 17.81oVEO016W68
CK24M010 KC2024 07 06.71734 05 06 30.95 -37 41 08.4 18.2 VqEO016E94
CK24M010 KC2024 07 06.73287 05 06 32.68 -37 40 57.6 18.1 VqEO016E94
CK24M010 KC2024 07 06.74840 05 06 34.39 -37 40 46.8 18.2 VqEO016E94
CK24M010 C2024 07 06.82452 05 06 42.85 -37 39 53.2 18.2 GVEO016Q59
CK24M010 C2024 07 06.82733 05 06 43.13 -37 39 51.2 18.2 GVEO016Q59
CK24M010 C2024 07 06.83015 05 06 43.47 -37 39 49.1 17.9 GVEO016Q59
CK24M010 KC2024 07 07.37597 05 07 43.76 -37 33 22.0 18.3 VqEO016I47
CK24M010 KC2024 07 07.39250 05 07 45.60 -37 33 10.9 18.2 VqEO016I47
CK24M010 KC2024 07 07.41163 05 07 47.66 -37 32 57.6 18.2 VqEO016I47
CK24M010 C2024 07 07.42144705 07 48.763-37 32 50.96 18.05oVEO016W68
CK24M010 C2024 07 07.42553305 07 49.190-37 32 48.34 18.00oVEO016W68
CK24M010 C2024 07 07.43295005 07 50.011-37 32 42.86 17.89oVEO016W68
CK24M010 "C2024 07 07.44039 05 07 50.82 -37 32 37.7 17.8 GVEO016W88
CK24M010 "C2024 07 07.44179 05 07 51.03 -37 32 36.8 17.7 GVEO016W88
CK24M010 KC2024 07 07.69999 05 08 19.41 -37 29 34.3 18.0 VqEO016E94
CK24M010 KC2024 07 07.72281 05 08 21.92 -37 29 18.5 18.2 VqEO016E94
CK24M010 KC2024 07 07.74541 05 08 24.40 -37 29 02.9 18.1 VqEO016E94
CK24M010 KC2024 07 08.39023 05 09 35.21 -37 21 30.2 17.9 GVEO016X03
CK24M010 KC2024 07 08.39201 05 09 35.40 -37 21 29.1 18.0 GVEO016X03
CK24M010 C2024 07 08.39439 05 09 35.66 -37 21 27.5 18.0 GVEO016X03
CK24M010 &C2024 07 08.40822 05 09 37.17 -37 21 18.0 VEO016X07
CK24M010 &C2024 07 08.41308 05 09 37.71 -37 21 14.6 VEO016X07
CK24M010 &C2024 07 08.41791 05 09 38.22 -37 21 11.2 18.4 TVEO016X07
CK24M010 %C2024 07 08.41869 05 09 38.311-37 21 10.40 18.4 GVEO016W88
CK24M010 %C2024 07 08.42715 05 09 39.230-37 21 04.72 18.2 GVEO016W88
CK24M010 C2024 07 10.81414 05 13 58.57 -36 53 32.7 17.9 GVEO016Q58
CK24M010 C2024 07 10.81696 05 13 58.85 -36 53 30.9 17.9 GVEO016Q58
CK24M010 C2024 07 10.81977 05 13 59.17 -36 53 28.9 17.9 GVEO016Q58
CK24M010 C2024 07 14.42265205 20 22.675-36 12 59.47 17.77oVEO016W68
CK24M010 C2024 07 14.42870 05 20 23.36 -36 12 55.3 18.0 GVEO016W89
CK24M010 C2024 07 14.43123605 20 23.580-36 12 53.86 17.49oVEO016W68
CK24M010 C2024 07 14.43152 05 20 23.64 -36 12 53.5 18.1 GVEO016W89
CK24M010 C2024 07 14.43434 05 20 23.92 -36 12 51.7 18.1 GVEO016W89
CK24M010 C2024 07 14.43711605 20 24.218-36 12 49.97 17.96oVEO016W68
CK24M010 C2024 07 15.41453305 22 06.629-36 02 03.84 17.58oVEO016W68
CK24M010 C2024 07 15.41996405 22 07.171-36 02 00.42 17.79oVEO016W68
CK24M010 C2024 07 15.43998805 22 09.242-36 01 47.68 17.78oVEO016W68
CK24M010 C2024 07 15.44360405 22 09.634-36 01 44.98 17.69oVEO016W68
CK24M010 KC2024 07 16.69735 05 24 19.97 -35 48 04.1 18.7 VqEO016E94
CK24M010 KC2024 07 16.71476 05 24 21.77 -35 47 53.1 18.6 VqEO016E94
CK24M010 KC2024 07 16.73213 05 24 23.54 -35 47 41.9 18.6 VqEO016E94
CK24M010 C2024 07 18.41205405 27 16.308-35 29 38.11 17.91oVEO016W68
CK24M010 C2024 07 18.41845005 27 16.978-35 29 34.30 17.91oVEO016W68
CK24M010 3B2024 07 18.42299 05 27 17.42 -35 29 31.5 18.0 TVEO016X07
CK24M010 3B2024 07 18.42893 05 27 18.03 -35 29 27.8 VEO016X07
CK24M010 C2024 07 18.43668605 27 18.802-35 29 23.14 17.53oVEO016W68
CK24M010 KC2024 07 19.39036 05 28 55.98 -35 19 14.8 18.2 GXEO016X07
CK24M010 KC2024 07 19.39758 05 28 56.72 -35 19 10.3 18.4 GXEO016X07
CK24M010 KC2024 07 19.40552 05 28 57.52 -35 19 05.5 18.6 GXEO016X07
CK24M010 C2024 07 19.41421005 28 58.380-35 18 59.69 17.40oVEO016W68
CK24M010 C2024 07 19.41703105 28 58.680-35 18 58.28 17.60oVEO016W68
CK24M010 C2024 07 19.42213905 28 59.189-35 18 54.76 17.44oVEO016W68
CK24M010 C2024 07 19.42960205 28 59.930-35 18 49.90 17.49oVEO016W68
CK24M010 C2024 07 19.43483905 29 00.401-35 18 46.22 17.31oVEO016W68
CK24M010 C2024 07 19.43808505 29 00.792-35 18 45.29 17.68oVEO016W68
CK24M010 C2024 07 19.44228905 29 01.195-35 18 41.98 17.61oVEO016W68
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 0.6-m f/6.3 Reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.8 Ritchey-Chretien + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.35-m f/10 Schmidt-
Cassegrain + CCD, 0.41-m f/4.5 reflector + CCD.
I47 Pierre Auger Observatory, Malargue. Observer M. Masek. 0.3-m f/6.8
reflector + CCD.
K95 MASTER-SAAO Observatory, Sutherland. Observers Y. Kechin, V. Lipunov, E.
Gorbovskoy, D. Buckley, P. Balanutsa, V. Kornilov, A. Kuznetsov, N.
Tiurina, O. Gress, D. Zimnukhov. 0.4-m f/2.5 reflector CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius, T.
Steinbach, L. Demetz, P. Ditz, R. Hellot. Measurer D. Husar. 0.25-m
f/4.5 reflector + CMO.
Q58 Siding Spring-LCO Clamshell #1. Observer A. Hale. 0.35-m f/3 Cassegrain
+ CCD.
Q59 Siding Spring-LCO Clamshell #2. Observer A. Hale. 0.35-m f/3 Cassegrain
+ CCD.
W68 ATLAS Chile, Rio Hurtado. Observers L. Denneau, R. Siverd, J. Tonry, H.
Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, J. Robinson,
R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector + CCD.
W79 Cerro Tololo-LCO Aqawan B #1. Observer A. Hale. 0.35-m f/3 Cassegrain +
CCD.
W84 Cerro Tololo-DECam. Observers J. Carballo-Bello, J. Esteves, A. Cortesi,
J. Medoff. Measurer S. Deen. 4.0-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, 0.43-m f/6.8
CDK17 + CCD.
W89 Cerro Tololo-LCO Aqawan A #1. Observer A. Hale. 0.35-m f/3 Cassegrain +
CCD.
X03 Observatoire SADR, Poroto. Observers J. L. Virlichie, P. Traverse, H.
Roy. Measurer P. Traverse. 0.35-m f/4.7 Newtonian reflector + CCD.
X07 iTelescope Deep Sky Chile, Rio Hurtado. Observers H. Sato, K. Yoshimoto,
T. Prystavski, M. Urbanik. 0.51-m f/6.8 astrograph + CCD, 0.51-m f/6.8
corrected Dall-Kirkham + CCD, 0.25-m f/3.8 Newtonian reflector + CMO,
0.36-m f/2.2 reflector + CCD.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
Orbital elements:
C/2024 M1 (ATLAS)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2024 Nov. 20.03882 TT Rudenko
q 1.7034779 (2000.0) P Q
n 0.00605275 Peri. 345.60102 +0.29853878 -0.20460995
a 29.8195417 Node 76.21495 +0.94276116 -0.08883721
e 0.9428738 Incl. 73.70992 +0.14857990 +0.97480394
P 163
>From 120 observations 2022 May 10-2024 July 19, mean residual 0".2.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 06 20 04 34 02.1 -41 11 50 2.7449 2.5326 67.3 21.7 18.2
...
2024 07 05 05 03 19.5 -38 01 37 2.6269 2.4079 66.4 22.8 17.9
...
2024 07 13 05 17 52.1 -36 28 51 2.5625 2.3431 66.1 23.4 17.7
...
2024 07 19 05 28 16.0 -35 23 24 2.5125 2.2954 66.0 23.9 17.6
2024 07 20 05 29 57.4 -35 12 50 2.5040 2.2875 66.0 23.9 17.6
2024 07 21 05 31 38.1 -35 02 22 2.4955 2.2797 66.0 24.0 17.6
...
2024 07 27 05 41 26.6 -34 01 36 2.4430 2.2332 66.1 24.6 17.4
...
2024 08 04 05 53 48.9 -32 45 57 2.3690 2.1728 66.5 25.3 17.2
...
2024 08 19 06 14 38.6 -30 38 51 2.2152 2.0656 68.2 27.1 16.9
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-O16
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