[Iaude] MPEC D102: COMET C/2023 X7 (PANSTARRS)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Wed Feb 21 19:23:24 EST 2024
M.P.E.C. 2024-D102 Issued 2024 February 22, 00:20 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/2023 X7 (PANSTARRS)
H. Sato reports cometary activity of an asteroidal NEOCP candidate
(first reported by Pan-STARRS 2 - F52 on Dec. 10, 2023 UT) in ten 60-second
stacked images taken on Jan. 6, 2024 UT by iTelescope Deep Sky Chile (X07),
noting a 7" coma. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
F52 2024-02-04 R. Weryk 0".7 3" 70-150 2x60s
T12 2024-02-20 Y. Ramanjooloo 2".2 3x300s
Observations:
CK23X070* C2023 12 10.38833905 52 53.011-40 52 37.03 20.42wXED102F52
CK23X070 C2023 12 10.39944605 52 52.556-40 52 35.54 20.51wXED102F52
CK23X070 C2023 12 10.41050105 52 52.150-40 52 34.35 20.69wXED102F52
CK23X070 C2023 12 10.42158005 52 51.715-40 52 33.02 20.63wXED102F52
CK23X070 |C2023 12 11.31294205 52 17.730-40 50 42.80 20.1 GVED102807
CK23X070 |C2023 12 11.31771005 52 17.610-40 50 41.60 20.3 GVED102807
CK23X070 |C2023 12 11.32239005 52 17.290-40 50 41.00 20.0 GVED102807
CK23X070 1C2023 12 11.48293 05 52 11.52 -40 50 20.3 VED102Q62
CK23X070 1C2023 12 11.48837 05 52 11.30 -40 50 19.4 VED102Q62
CK23X070 1C2023 12 11.49304 05 52 11.09 -40 50 19.2 19.9 GVED102Q62
CK23X070 1C2023 12 13.13120405 51 08.45 -40 46 32.4 20.3 GVED102W87
CK23X070 1C2023 12 13.13370805 51 08.36 -40 46 32.1 20.2 GVED102W87
CK23X070 1C2023 12 13.13618605 51 08.27 -40 46 31.6 20.3 GVED102W87
CK23X070 1C2023 12 13.13868405 51 08.16 -40 46 31.4 20.3 GVED102W87
CK23X070 |C2023 12 18.09888005 47 56.410-40 32 04.50 20.0 GVED102807
CK23X070 |C2023 12 18.10871005 47 55.990-40 32 02.80 19.9 GVED102807
CK23X070 |C2023 12 18.11117905 47 55.940-40 32 01.80 20.2 GVED102807
CK23X070 KC2023 12 19.14465 05 47 15.71 -40 28 27.6 20.7 GVED102X03
CK23X070 KC2023 12 19.16155 05 47 15.02 -40 28 24.2 20.5 GVED102X03
CK23X070 KC2023 12 19.17845 05 47 14.36 -40 28 20.8 21.4 GVED102X03
CK23X070 0B2023 12 19.89393 05 46 46.64 -40 25 44.6 20.4 VZED102M49
CK23X070 0B2023 12 19.90175 05 46 46.32 -40 25 43.5 20.5 VZED102M49
CK23X070 0B2023 12 19.90957 05 46 46.00 -40 25 41.5 20.3 VZED102M49
CK23X070 C2023 12 25.38396905 43 14.160-40 02 40.64 20.92GVED102F51
CK23X070 C2023 12 25.38478305 43 14.111-40 02 40.25 20.74GVED102F51
CK23X070 0B2023 12 26.84725 05 42 18.18 -39 55 34.3 20.0 VZED102M49
CK23X070 0B2023 12 26.86848 05 42 17.34 -39 55 27.9 19.7 VZED102M49
CK23X070 0B2023 12 26.88971 05 42 16.53 -39 55 21.2 19.7 VZED102M49
CK23X070 0C2024 01 06.08403 05 36 00.98 -38 55 13.1 VED102X07
CK23X070 0C2024 01 06.08849 05 36 00.84 -38 55 11.5 19.8 GVED102X07
CK23X070 C2024 01 06.30042105 35 53.31 -38 53 44.3 20.6 VWED102X09
CK23X070 C2024 01 06.31342605 35 52.78 -38 53 38.5 WED102X09
CK23X070 C2024 01 15.15129705 31 01.95 -37 46 44.4 20.3 VWED102X09
CK23X070 C2024 01 15.15899005 31 01.73 -37 46 41.1 WED102X09
CK23X070 C2024 01 15.16598605 31 01.54 -37 46 37.4 WED102X09
CK23X070 2C2024 01 17.22337705 29 59.91 -37 29 16.2 20.2 GVED102W85
CK23X070 2C2024 01 17.22586505 29 59.86 -37 29 14.8 20.4 GVED102W85
CK23X070 2C2024 01 17.22833905 29 59.77 -37 29 13.7 20.2 GVED102W85
CK23X070 2C2024 01 17.23081705 29 59.70 -37 29 12.5 19.9 GVED102W85
CK23X070 2C2024 01 17.23578405 29 59.55 -37 29 09.7 20.1 GVED102W85
CK23X070 2C2024 01 17.23829205 29 59.48 -37 29 08.4 20.2 GVED102W85
CK23X070 2C2024 01 17.24080105 29 59.41 -37 29 07.1 20.4 GVED102W85
CK23X070 2C2024 01 17.24329205 29 59.33 -37 29 05.9 20.0 GVED102W85
CK23X070 0B2024 01 17.80796 05 29 43.07 -37 24 14.2 19.8 VZED102M49
CK23X070 0B2024 01 17.81578 05 29 42.81 -37 24 09.2 19.9 VZED102M49
CK23X070 0B2024 01 17.82360 05 29 42.56 -37 24 06.1 19.6 VZED102M49
CK23X070 C2024 01 21.28730205 28 06.363-36 53 12.37 20.20wXED102F51
CK23X070 C2024 01 21.29723705 28 06.049-36 53 06.70 20.28wXED102F51
CK23X070 C2024 01 21.30721105 28 05.803-36 53 01.26 20.84wXED102F51
CK23X070 C2024 02 03.04945205 23 25.07 -34 46 17.4 WED102X09
CK23X070 C2024 02 03.05645105 23 24.93 -34 46 12.5 WED102X09
CK23X070 C2024 02 03.06344905 23 24.74 -34 46 07.5 WED102X09
CK23X070 C2024 02 04.25193005 23 04.892-34 33 25.82 20.31GVED102F52
CK23X070 C2024 02 04.25274805 23 04.870-34 33 25.58 20.29GVED102F52
CK23X070 KC2024 02 04.37583 05 23 02.84 -34 32 05.1 20.8 RqED102E94
CK23X070 KC2024 02 04.39466 05 23 02.59 -34 31 54.0 21.0 RqED102E94
CK23X070 KC2024 02 04.42822 05 23 01.95 -34 31 30.5 20.9 RqED102E94
CK23X070 KC2024 02 07.39818 05 22 17.70 -33 59 07.4 20.5 RqED102E94
CK23X070 KC2024 02 07.42495 05 22 17.22 -33 58 48.9 20.6 RqED102E94
CK23X070 KC2024 02 07.44763 05 22 16.91 -33 58 34.1 20.5 RqED102E94
CK23X070 0B2024 02 08.78604105 21 59.363-33 43 43.68 20.4 VZED102M49
CK23X070 0B2024 02 08.79351105 21 59.255-33 43 38.88 19.6 VZED102M49
CK23X070 0B2024 02 10.80710005 21 35.572-33 21 02.88 20.1 VZED102M49
CK23X070 0B2024 02 10.81208405 21 35.524-33 20 59.13 19.9 VZED102M49
CK23X070 0B2024 02 10.81705805 21 35.457-33 20 56.24 20.0 VZED102M49
CK23X070 KC2024 02 19.23662505 20 32.604-31 43 37.96 20.25GVED102F51
CK23X070 1C2024 02 20.23157205 20 29.030-31 31 53.43 20.43GVED102T12
CK23X070 1C2024 02 20.23411205 20 29.015-31 31 51.64 20.57GVED102T12
CK23X070 1C2024 02 20.23790605 20 29.003-31 31 48.96 20.46GVED102T12
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/11 Ritchey-Chretien + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.41-m f/4.5
Newtonian + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.5 reflector + CMO.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer Y.
Ramanjooloo. Measurers R. Weryk, Y. Ramanjooloo, J. Fairlamb, R.
Wainscoat. 2.24-m f/10.1 reflector + CCD.
W85 Cerro Tololo-LCO A. Observers J. D. Armstrong, A. M. Tokuoka. 1.0-m f/8
modified Ritchey-Chretien + CCD.
W87 Cerro Tololo-LCO C. Observer J. D. Armstrong. 1.0-m f/8 modified
Ritchey-Chretien + 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. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
X09 Deep Random Survey, Rio Hurtado. Observers A. Schnabel, D. Ruhela.
Measurer S. Deen. 0.43-m reflector + CMOS.
Orbital elements:
C/2023 X7 (PANSTARRS)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2025 May 14.85498 TT Rudenko
q 4.8213353 (2000.0) P Q
z -0.0004514 Peri. 354.33990 -0.45483176 -0.35862668
+/-0.0000373 Node 119.20819 +0.84934595 -0.44996524
e 1.0021764 Incl. 69.05502 +0.26784236 +0.81787419
>From 69 observations 2023 Dec. 10-2024 Feb. 20, mean residual 0".4.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 01 23 05 27 21.7 -36 37 18 5.6374 6.0578 110.8 8.7 20.6
...
2024 02 07 05 22 23.2 -34 03 31 5.6610 5.9913 104.9 9.2 20.5
...
2024 02 15 05 20 56.9 -32 33 05 5.6862 5.9563 101.1 9.4 20.5
...
2024 02 21 05 20 26.8 -31 22 48 5.7100 5.9302 98.1 9.5 20.5
2024 02 22 05 20 24.7 -31 10 56 5.7143 5.9259 97.5 9.5 20.5
2024 02 23 05 20 23.3 -30 59 02 5.7187 5.9216 97.0 9.5 20.5
...
2024 02 29 05 20 32.0 -29 47 04 5.7473 5.8958 93.8 9.7 20.5
...
2024 03 08 05 21 27.3 -28 10 23 5.7899 5.8617 89.3 9.7 20.5
...
2024 03 23 05 25 17.2 -25 11 06 5.8793 5.7988 80.5 9.8 20.5
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-D102
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