MPEC 2023-M65 : COMET P/2023 M1 (PANSTARRS)
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M.P.E.C. 2023-M65 Issued 2023 June 20, 18:53 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2023 M1 (PANSTARRS)
R. Weryk reports the discovery of a comet in four 45-second survey images
taken on Jun. 16 UT by Pan-STARRS 1 (F51), noting a very condensed 0".3 coma.
Prediscovery positions were reported back to Apr. 2023. Additional reports
of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
Q62 2023-06-16 H. Sato 8" 8x120s
G00 2023-06-18 M. Jaeger 15" 18x100s
T14 2023-06-19 R. Weryk 0".3 3" 130-245 3x60s
Observations:
PK23M010 C2023 04 24.56733316 48 04.592-15 22 53.31 22.20GVEM065F52
PK23M010 C2023 04 24.57690716 48 04.487-15 22 50.13 22.57GVEM065F52
PK23M010 C2023 04 30.56101416 46 54.419-14 53 20.49 22.20GVEM065F51
PK23M010 C2023 04 30.57200616 46 54.235-14 53 17.32 22.32GVEM065F51
PK23M010 C2023 05 12.51595016 42 48.336-13 51 32.53 21.55wXEM065F52
PK23M010 C2023 05 12.52693616 42 48.017-13 51 28.92 21.70wXEM065F52
PK23M010 C2023 05 12.54883116 42 47.450-13 51 21.88 21.74wXEM065F52
PK23M010 C2023 05 15.43679116 41 29.705-13 36 11.60 21.62GVEM065F51
PK23M010 C2023 05 15.45880016 41 29.049-13 36 04.73 21.15GVEM065F51
PK23M010 C2023 05 15.46981616 41 28.720-13 36 01.00 21.31GVEM065F51
PK23M010 1C2023 05 24.34859716 36 55.944-12 49 55.56 20.67GVEM065G96
PK23M010 1C2023 05 24.35556716 36 55.699-12 49 53.80 20.78GVEM065G96
PK23M010 1C2023 05 24.36127616 36 55.458-12 49 52.28 20.50GVEM065G96
PK23M010* C2023 06 16.40850616 23 59.436-11 07 10.86 20.42wXEM065F51
PK23M010 C2023 06 16.42034116 23 59.049-11 07 08.33 20.42wXEM065F51
PK23M010 C2023 06 16.43214616 23 58.666-11 07 05.71 20.45wXEM065F51
PK23M010 C2023 06 16.44396116 23 58.284-11 07 03.12 20.45wXEM065F51
PK23M010 C2023 06 16.51683216 23 55.938-11 06 47.45 20.03GVEM065F51
PK23M010 C2023 06 16.51764716 23 55.904-11 06 47.26 19.99GVEM065F51
PK23M010 1C2023 06 16.65432 16 23 51.73 -11 06 14.8 VEM065Q62
PK23M010 1C2023 06 16.66042 16 23 51.55 -11 06 13.2 19.9 GVEM065Q62
PK23M010 KC2023 06 18.08363916 23 08.57 -11 01 20.8 19.5 GXEM065W62
PK23M010 KC2023 06 18.10454716 23 07.92 -11 01 16.9 19.4 GXEM065W62
PK23M010 KC2023 06 18.12510616 23 07.27 -11 01 12.6 19.5 GXEM065W62
PK23M010 KC2023 06 18.90977 16 22 43.91 -10 58 34.4 20.2 GVEM065G00
PK23M010 KC2023 06 18.91471 16 22 43.87 -10 58 32.5 20.8 GVEM065G00
PK23M010 KC2023 06 18.91965 16 22 43.63 -10 58 31.8 20.2 GVEM065G00
PK23M010 3C2023 06 19.36370016 22 30.669-10 57 02.88 20.17GVEM065T14
PK23M010 3C2023 06 19.36490916 22 30.630-10 57 02.64 20.16GVEM065T14
PK23M010 3C2023 06 19.36613416 22 30.593-10 57 02.40 20.16GVEM065T14
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M.
Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J.
Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, A. Schultz, I.
Smith. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, P. Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J.
Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers,
T. de Boer, H. Gao, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
G00 AZM Martinsberg, Oed. Observers M. Jaeger, E. Prosperi, S. Prosperi.
Measurer M. Jaeger. 0.35-m f/4.2 reflector + CCD.
G96 Mt. Lemmon Survey. Observer J. B. Fazekas. 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. 1.5-m reflector + 10K
CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, A.
Acohido, T. Burdullis. Measurers R. Weryk, R. Wainscoat. 3.6-m Canada-
France-Hawaii Telescope + CCD.
W62 Comet Hunter Observatory2, New Ringgold. Observer J. Maikner. 0.30-m
f/3.8 Riccardi-Honders + CCD.
Orbital elements:
P/2023 M1 (PANSTARRS)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Dec. 14.42069 TT Rudenko
q 2.8258524 (2000.0) P Q
n 0.05486660 Peri. 79.69914 +0.43367812 +0.89197369
a 6.8590512 Node 216.86530 -0.88737806 +0.39816960
e 0.5880112 Incl. 12.28937 -0.15647194 +0.21411189
P 18.0
From 30 observations 2023 Apr. 24-June 19, mean residual 0".1.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 05 21 16 38 43.8 -13 07 05 2.2522 3.2439 166.2 4.3 20.4
...
2023 06 05 16 30 17.9 -11 53 35 2.1904 3.1909 168.5 3.6 20.2
...
2023 06 13 16 25 47.8 -11 19 52 2.1822 3.1636 162.0 5.7 20.2
...
2023 06 19 16 22 41.3 -10 58 13 2.1870 3.1437 156.2 7.5 20.2
2023 06 20 16 22 12.3 -10 54 57 2.1887 3.1405 155.3 7.8 20.2
2023 06 21 16 21 43.9 -10 51 47 2.1906 3.1372 154.3 8.1 20.2
...
2023 06 27 16 19 10.0 -10 35 04 2.2070 3.1179 148.3 9.9 20.2
...
2023 07 05 16 16 35.8 -10 18 58 2.2410 3.0930 140.4 12.1 20.2
...
2023 07 20 16 14 56.8 -10 08 10 2.3366 3.0486 126.1 15.6 20.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-M65
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