MPEC 2023-N18 : COMET P/2015 T3 = P/2023 M3 (PANSTARRS)
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M.P.E.C. 2023-N18 Issued 2023 July 7, 01:54 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/2015 T3 = P/2023 M3 (PANSTARRS)
An object detected on June 26 UT by Mt. Lemmon Survey (G96) was initially
reported as a possible new comet. M. Suzuki (Kitami, Japan) identified this
as comet P/2015 T3 (PANSTARRS).
Observations:
PK23M030 C2023 06 22.44585 00 21 09.99 -06 13 03.9 18.7 GVEN018703
PK23M030 C2023 06 22.44983 00 21 10.31 -06 13 02.8 19.0 GVEN018703
PK23M030 C2023 06 22.45381 00 21 10.67 -06 13 04.2 19.2 GVEN018703
PK23M030 C2023 06 22.45779 00 21 10.92 -06 13 01.1 19.6 GVEN018703
PK23M030*1C2023 06 26.42483600 26 58.952-06 04 48.11 19.12GVEN018G96
PK23M030 1C2023 06 26.43005900 26 59.420-06 04 47.57 18.89GVEN018G96
PK23M030 1C2023 06 26.43527200 26 59.867-06 04 46.67 19.01GVEN018G96
PK23M030 1C2023 06 26.44051500 27 00.292-06 04 46.38 19.25GVEN018G96
PK23M030 KC2023 06 27.09906 00 27 56.60 -06 03 40.1 19.4 VZEN018C95
PK23M030 KC2023 06 27.11419 00 27 57.90 -06 03 38.8 ZEN018C95
PK23M030 1C2023 06 27.60902400 28 40.033-06 02 47.05 20.60GVEN018T12
PK23M030 1C2023 06 27.61030400 28 40.144-06 02 46.90 20.63GVEN018T12
PK23M030 1C2023 06 28.42777000 29 49.322-06 01 31.98 19.23GVEN018703
PK23M030 1C2023 06 28.43339500 29 49.646-06 01 32.56 19.39GVEN018703
PK23M030 1C2023 06 28.43902300 29 50.104-06 01 30.61 19.91GVEN018703
PK23M030 KC2023 06 29.15080 00 30 49.73 -06 00 26.9 VEN018M21
PK23M030 HC2023 06 29.17308 00 30 51.56 -06 00 25.1 19.3 GVEN018M21
PK23M030 3C2023 06 29.33506 00 31 05.22 -06 00 10.8 18.0 TVEN018X07
PK23M030 3C2023 06 29.33892 00 31 05.47 -06 00 10.6 VEN018X07
PK23M030 0C2023 06 29.37909 00 31 08.78 -06 00 07.9 VEN018X07
PK23M030 0C2023 06 29.38354 00 31 09.16 -06 00 07.8 18.7 GVEN018X07
PK23M030 1C2023 06 29.59836400 31 27.059-05 59 54.54 18.79GVEN018T12
PK23M030 1C2023 06 29.59912400 31 27.125-05 59 54.20 18.62GVEN018T12
PK23M030 1C2023 06 29.59975400 31 27.168-05 59 54.17 19.31GVEN018T12
PK23M030 1C2023 06 29.60288400 31 27.410-05 59 53.83 19.32GVEN018T12
PK23M030 1C2023 06 29.60391400 31 27.541-05 59 54.09 18.05GVEN018T12
PK23M030 1C2023 06 29.60541400 31 27.634-05 59 53.50 18.78GVEN018T12
PK23M030 1C2023 06 29.60662700 31 27.720-05 59 53.52 18.96GVEN018T12
PK23M030 1C2023 06 29.60819700 31 27.849-05 59 53.33 18.94GVEN018T12
PK23M030 KC2023 07 01.18753 00 33 37.65 -05 57 59.5 19.7 VZEN018M49
PK23M030 KC2023 07 01.19286 00 33 38.09 -05 57 59.3 19.5 VZEN018M49
PK23M030 1C2023 07 01.43286900 33 57.744-05 57 49.21 18.83GVEN018703
PK23M030 1C2023 07 01.43824700 33 58.180-05 57 49.68 18.80GVEN018703
PK23M030 1C2023 07 01.44362000 33 58.568-05 57 48.49 19.36GVEN018703
PK23M030 1C2023 07 01.44900000 33 58.964-05 57 48.24 19.13GVEN018703
PK23M030 C2023 07 02.05288 00 34 47.88 -05 57 08.1 19.5 GVEN018M28
PK23M030 C2023 07 02.05446 00 34 48.28 -05 57 07.0 19.3 GVEN018M28
PK23M030 C2023 07 02.05763 00 34 48.20 -05 57 04.6 19.3 GVEN018M28
PK23M030 KC2023 07 02.38832 00 35 14.84 -05 56 51.0 19.4 GVEN018X03
PK23M030 KC2023 07 02.40366 00 35 16.05 -05 56 50.3 18.9 GVEN018X03
PK23M030 KC2023 07 02.40513 00 35 16.16 -05 56 50.6 19.0 GVEN018X03
PK23M030 KC2023 07 03.17820 00 36 17.96 -05 56 14.0 19.8 VZEN018M49
PK23M030 KC2023 07 03.18531 00 36 18.49 -05 56 13.7 19.9 VZEN018M49
PK23M030 KC2023 07 03.19242 00 36 19.06 -05 56 13.2 19.3 VZEN018M49
Observer details:
703 Catalina Sky Survey. Observers G. J. Leonard, A. Serrano. Measurers B.
Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, A. Serrano, K. W.
Wierzchos. 0.68-m Schmidt + 10K CCD.
C95 SATINO Remote Observatory, Haute Provence. Observers D. Husar, K. Meo.
Measurer D. Husar. 0.30-m f/5.8 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.
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.
M28 Lesedi Telescope-SAAO Observatory, Sutherland. Observers N. Erasmus, S.
Potter, C. van Gend, S. Chandra. Measurers N. Erasmus, T. Ngwane. 1.0-m
f/8 Reflector + CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.6 reflector + CCD.
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.
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.
X07 iTelescope Deep Sky Chile, Rio Hurtado. Observers T. Prystavski, H. Sato.
0.51-m f/6.8 Corrected Dall-Kirkham + CCD, 0.51-m f/6.8 astrograph + CCD.
Orbital elements:
P/2015 T3 (PANSTARRS)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 3.66076 TT Rudenko
q 2.1546162 (2000.0) P Q
n 0.12136068 Peri. 196.69789 +0.72051342 +0.66864115
a 4.0403350 Node 119.86870 -0.60953817 +0.73706058
e 0.4667234 Incl. 12.23633 -0.33064123 +0.09828892
P 8.12
From 99 observations 2015 Sept. 17-2023 July 3, mean residual 0".7.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2023 06 07 23 56 34.7 -07 05 38 2.1164 2.1720 79.4 27.3 19.0
...
2023 06 22 00 20 29.7 -06 14 05 1.9788 2.1903 87.8 27.6 18.9
...
2023 06 30 00 32 00.1 -05 59 22 1.9070 2.2026 92.7 27.5 18.8
...
2023 07 06 00 39 58.3 -05 54 51 1.8543 2.2129 96.5 27.2 18.8
2023 07 07 00 41 14.5 -05 54 41 1.8457 2.2147 97.1 27.1 18.8
2023 07 08 00 42 29.5 -05 54 40 1.8371 2.2165 97.8 27.0 18.8
...
2023 07 14 00 49 36.5 -05 58 14 1.7861 2.2281 101.8 26.5 18.7
...
2023 07 22 00 57 57.8 -06 13 01 1.7209 2.2449 107.4 25.6 18.7
...
2023 08 06 01 09 39.1 -07 11 58 1.6107 2.2805 118.9 22.9 18.6
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-N18
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