MPEC 2023-N15 : COMET P/2023 M2 (PANSTARRS)
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M.P.E.C. 2023-N15 Issued 2023 July 6, 06:51 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET P/2023 M2 (PANSTARRS)
R. Weryk reports the discovery of a comet in three 45-second w-band survey
images taken on Jun. 22 UT by Pan-STARRS 1 (F51), noting a very condensed 0".3
coma and a straight 6" tail at position angle 270 deg. Additional reports of
cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
T14 2023-06-23 R. Weryk 0".6 18" 250-285 3x60s
T12 2023-06-27 J. Fairlamb 0".2 6" 260 4x30s, 4x60s
T12 2023-06-29 J. Fairlamb 0".4 6" 265 4x45s
M21 2023-07-01 A. Aletti 5" 8" 240 54x60s
Observations:
PK23M020* C2023 06 22.56949522 58 06.149-27 55 06.19 20.35wXEN015F51
PK23M020 C2023 06 22.57979422 58 06.442-27 55 09.22 20.20wXEN015F51
PK23M020 C2023 06 22.59412622 58 06.827-27 55 13.75 20.29wXEN015F51
PK23M020 3C2023 06 23.55710522 58 33.101-28 00 13.30 20.05GVEN015T14
PK23M020 3C2023 06 23.55831222 58 33.132-28 00 13.67 20.01GVEN015T14
PK23M020 3C2023 06 23.55952122 58 33.163-28 00 14.08 20.03GVEN015T14
PK23M020 1C2023 06 23.75647 22 58 38.33 -28 01 13.7 VEN015Q62
PK23M020 1C2023 06 23.76258 22 58 38.47 -28 01 15.7 19.4 GVEN015Q62
PK23M020 KC2023 06 25.14956 22 59 14.24 -28 08 40.5 19.1 RZEN015M49
PK23M020 KC2023 06 25.15311 22 59 14.33 -28 08 41.8 19.5 RZEN015M49
PK23M020 KC2023 06 25.15667 22 59 14.42 -28 08 43.3 18.9 RZEN015M49
PK23M020 #C2023 06 25.20602822 59 15.722-28 09 00.86 20.3 rVEN015J13
PK23M020 C2023 06 26.59643822 59 49.487-28 16 38.54 20.32GVEN015F51
PK23M020 C2023 06 26.60454522 59 49.672-28 16 41.48 20.29GVEN015F51
PK23M020 C2023 06 26.60535822 59 49.691-28 16 41.43 20.25GVEN015F51
PK23M020 1C2023 06 27.56483423 00 11.843-28 22 04.59 20.49GVEN015T12
PK23M020 1C2023 06 27.56569423 00 11.858-28 22 04.94 20.50GVEN015T12
PK23M020 1C2023 06 27.56640423 00 11.867-28 22 05.17 20.54GVEN015T12
PK23M020 1C2023 06 27.56760423 00 11.907-28 22 05.54 20.50GVEN015T12
PK23M020 1C2023 06 27.57126723 00 11.989-28 22 06.82 20.51GVEN015T12
PK23M020 1C2023 06 27.57240723 00 12.009-28 22 07.22 20.55GVEN015T12
PK23M020 1C2023 06 27.57363723 00 12.033-28 22 07.58 20.49GVEN015T12
PK23M020 1C2023 06 27.57542723 00 12.061-28 22 08.20 20.48GVEN015T12
PK23M020 1C2023 06 29.58606023 00 55.132-28 33 43.92 20.43GVEN015T12
PK23M020 1C2023 06 29.58731023 00 55.162-28 33 44.38 20.49GVEN015T12
PK23M020 1C2023 06 29.58839023 00 55.190-28 33 44.76 20.54GVEN015T12
PK23M020 1C2023 06 29.58993023 00 55.218-28 33 45.36 20.51GVEN015T12
PK23M020 C2023 06 30.55742123 01 14.408-28 39 28.49 20.16wXEN015F51
PK23M020 C2023 06 30.56880623 01 14.610-28 39 32.64 20.25wXEN015F51
PK23M020 C2023 06 30.58013923 01 14.821-28 39 36.65 20.25wXEN015F51
PK23M020 C2023 06 30.59146323 01 15.029-28 39 40.80 20.14wXEN015F51
PK23M020 KC2023 07 01.13518 23 01 25.29 -28 42 54.5 19.9 VZEN015M49
PK23M020 KC2023 07 01.13874 23 01 25.39 -28 42 55.5 20.0 VZEN015M49
PK23M020 KC2023 07 01.14229 23 01 25.40 -28 42 56.8 19.9 VZEN015M49
PK23M020 HC2023 07 01.16210 23 01 25.74 -28 43 03.8 VEN015M21
PK23M020 KC2023 07 01.18416 23 01 26.13 -28 43 11.8 19.5 GVEN015M21
PK23M020 KC2023 07 02.25216 23 01 45.50 -28 49 40.8 18.6 GVEN015X03
PK23M020 KC2023 07 02.26940 23 01 45.79 -28 49 47.0 19.5 GVEN015X03
PK23M020 KC2023 07 02.28523 23 01 46.07 -28 49 52.8 19.1 GVEN015X03
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, P. Minguez, A.
Schultz, I. Smith, K. Chambers. Measurers K. Chambers, T. de Boer, J.
Bulger, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P.
Minguez, Y. Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk, S.
Chastel. 1.8-m Ritchey-Chretien + CCD.
J13 La Palma-Liverpool Telescope. Observer F. D. Romanov. 2.00-m f/10
Ritchey-Chretien + CCD.
M21 Schiaparelli Southern Observatory, Hakos. Observers A. Aletti, F.
Bellini, L. Buzzi, G. Galli. Measurers A. Aletti, L. Buzzi. 0.36-m f/8.4
reflector + CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.6 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer J. Fairlamb.
Measurers R. Weryk, J. Fairlamb, Y. Ramanjooloo, R. Wainscoat. 2.24-m
University of Hawaii reflector + CCD.
T14 Canada-France-Hawaii Telescope, Maunakea. Observers R. Wainscoat, L.
Wells, T. Burdullis. Measurers R. Weryk, R. Wainscoat. 3.6-m Canada-
France-Hawaii Telescope + CCD.
X03 Observatoire SADR, Poroto. Observers J. L. Virlichie, P. Traverse, H.
Roy, G. Houdin. Measurer P. Traverse. 0.35-m f/4.7 Newtonian reflector +
CCD.
Orbital elements:
P/2023 M2 (PANSTARRS)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 19.76478 TT Rudenko
q 3.5012714 (2000.0) P Q
n 0.07573860 Peri. 242.21842 +0.77063139 +0.54258252
a 5.5325396 Node 83.05904 -0.39836775 +0.81954632
e 0.3671493 Incl. 19.67780 -0.49742376 +0.18424995
P 13.0
From 39 observations 2023 June 22-July 2, mean residual 0".1.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 06 06 22 48 11.6 -26 45 43 3.1698 3.5097 101.1 16.5 20.5
...
2023 06 21 22 57 21.2 -27 47 09 2.9806 3.5049 113.0 15.5 20.3
...
2023 06 29 23 00 43.0 -28 30 16 2.8887 3.5031 119.5 14.6 20.2
...
2023 07 05 23 02 29.0 -29 06 51 2.8253 3.5022 124.4 13.9 20.2
2023 07 06 23 02 42.8 -29 13 16 2.8153 3.5021 125.3 13.7 20.2
2023 07 07 23 02 55.4 -29 19 47 2.8053 3.5019 126.1 13.6 20.2
...
2023 07 13 23 03 47.0 -30 00 27 2.7492 3.5014 131.0 12.7 20.1
...
2023 07 21 23 03 49.9 -30 58 06 2.6844 3.5012 137.5 11.3 20.1
...
2023 08 05 23 00 39.2 -32 48 50 2.5985 3.5024 148.3 8.8 20.0
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-N15
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