[Iaude] MPEC E01: COMET C/2019 G2 (PANSTARRS)
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Fri Mar 1 00:16:40 EST 2024
M.P.E.C. 2024-E01 Issued 2024 March 1, 05:13 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/2019 G2 (PANSTARRS)
D. Rankin reports cometary activity of a near-parabolic minor planet
A/2019 G2 (discovered by Pan-STARRS 1 on Apr. 2, 2019 UT) in images taken
on Jan. 14, 2020 UT by Catalina Sky Survey (703), noting a 7" condensed coma
and abroad 10" tail at position angle 130 deg. Additional reports of cometary
features are as follows:
OC Date Reporter Coma Tail PA Exposures
W84 2019-02-27 S. Deen 4" 2"
W84 2019-02-28 S. Deen 2" 4" 200-240
W84 2019-03-02 S. Deen 1".5
568 2019-12-03 S. Deen 2" 8" 270-290
Observations:
CK19G020 &C2019 02 27.34981514 21 44.73 -12 19 11.4 VEE001W84
CK19G020 &C2019 02 28.33056714 20 45.45 -12 09 49.1 VEE001W84
CK19G020 &C2019 03 02.33608814 18 38.41 -11 49 55.6 VEE001W84
CK19G020* C2019 04 02.44043 13 29 10.279-04 26 38.73 21.3 wUEE001F51
CK19G020 C2019 04 02.45326 13 29 08.692-04 26 24.69 21.4 wUEE001F51
CK19G020 C2019 04 02.46612 13 29 07.098-04 26 11.24 21.2 wUEE001F51
CK19G020 KC2019 04 03.26175113 27 29.38 -04 11 49.1 21.0 VuEE001H21
CK19G020 KC2019 04 03.26784413 27 28.60 -04 11 42.3 21.3 VuEE001H21
CK19G020 KC2019 04 03.27332813 27 27.93 -04 11 36.5 20.9 VuEE001H21
CK19G020 C2019 04 03.32180 13 27 21.94 -04 10 43.5 VEE001I52
CK19G020 C2019 04 03.32691 13 27 21.24 -04 10 38.0 VEE001I52
CK19G020 C2019 04 03.32858 13 27 21.09 -04 10 35.9 21.1 GVEE001I52
CK19G020 C2019 04 03.33024 13 27 20.93 -04 10 34.1 VEE001I52
CK19G020 1C2019 04 03.53738 13 26 55.39 -04 06 44.1 VEE001Q62
CK19G020 1C2019 04 03.54145 13 26 54.85 -04 06 40.1 VEE001Q62
CK19G020 1C2019 04 03.54501 13 26 54.41 -04 06 36.0 21.4 GVEE001Q62
CK19G020 C2019 04 07.06569 13 19 31.91 -03 01 42.1 21.8 VVEE001033
CK19G020 C2019 04 07.06926 13 19 31.45 -03 01 38.0 21.6 VVEE001033
CK19G020 C2019 04 07.07284 13 19 30.98 -03 01 34.3 21.5 VVEE001033
CK19G020 C2019 04 07.07640 13 19 30.49 -03 01 30.8 21.7 VVEE001033
CK19G020 C2019 04 07.07998 13 19 30.02 -03 01 26.8 21.5 VVEE001033
CK19G020 |C2019 04 07.22938 13 19 11.08 -02 58 34.6 21.4 VuEE001807
CK19G020 |C2019 04 07.23322 13 19 10.57 -02 58 30.2 21.3 VuEE001807
CK19G020 |C2019 04 07.23681 13 19 10.11 -02 58 25.8 21.4 VuEE001807
CK19G020 C2019 04 07.42882213 18 45.614-02 54 53.18 21.2 GVEE001F51
CK19G020 C2019 04 07.43927413 18 44.277-02 54 41.47 21.5 GVEE001F51
CK19G020 C2019 04 07.44973513 18 42.918-02 54 29.73 21.2 GVEE001F51
CK19G020 C2019 04 07.46020613 18 41.602-02 54 17.82 21.0 GVEE001F51
CK19G020 C2019 04 09.38464613 14 34.076-02 18 01.91 21.2 GVEE001F51
CK19G020 C2019 04 09.39628813 14 32.559-02 17 48.65 21.6 GVEE001F51
CK19G020 C2019 04 09.40795213 14 31.051-02 17 35.61 20.7 GVEE001F51
CK19G020 C2019 04 09.41962613 14 29.517-02 17 22.39 21.3 GVEE001F51
CK19G020 KC2019 04 11.26820 13 10 29.14 -01 42 13.3 21.6 RoEE001691
CK19G020 KC2019 04 11.27627 13 10 28.09 -01 42 03.8 21.5 RoEE001691
CK19G020 KC2019 04 11.28433 13 10 26.98 -01 41 55.1 21.4 RoEE001691
CK19G020 C2019 04 11.30221 13 10 24.59 -01 41 34.7 21.8 GVEE001I52
CK19G020 C2019 04 11.30470 13 10 24.37 -01 41 32.7 21.0 GVEE001I52
CK19G020 C2019 04 11.30720 13 10 23.95 -01 41 28.8 21.3 GVEE001I52
CK19G020 C2019 04 11.30970 13 10 23.65 -01 41 27.0 21.1 GVEE001I52
CK19G020 KC2019 04 12.24042 13 08 21.74 -01 23 38.4 oEE001711
CK19G020 KC2019 04 12.24410 13 08 21.31 -01 23 33.5 oEE001711
CK19G020 KC2019 04 12.24779 13 08 20.82 -01 23 29.3 oEE001711
CK19G020 C2019 04 15.40227 13 01 24.86 -00 22 58.2 21.5 GVEE001V06
CK19G020 C2019 04 15.40423 13 01 24.63 -00 22 56.2 21.4 GVEE001V06
CK19G020 C2019 04 15.40618 13 01 24.48 -00 22 53.8 VEE001V06
CK19G020 C2019 04 15.40814 13 01 24.21 -00 22 51.9 VEE001V06
CK19G020 C2019 04 24.30129 12 41 50.151+02 26 17.69 21.9 wUEE001F51
CK19G020 C2019 04 24.32475 12 41 47.058+02 26 43.92 22.1 wUEE001F51
CK19G020 C2019 04 24.33650 12 41 45.510+02 26 56.81 21.6 wUEE001F51
CK19G020 KC2019 05 01.95289 12 25 33.64 +04 44 09.5 20.9 qEE001215
CK19G020 KC2019 05 01.95418 12 25 33.46 +04 44 10.8 21.0 qEE001215
CK19G020 KC2019 05 01.95546 12 25 33.29 +04 44 12.3 21.0 qEE001215
CK19G020 1C2019 05 06.72601112 15 57.230+06 04 04.40 21.5 GVEE001N50
CK19G020 1C2019 05 06.73221212 15 56.496+06 04 10.53 22.3 GVEE001N50
CK19G020 1C2019 05 06.73841112 15 55.742+06 04 16.33 21.6 GVEE001N50
CK19G020 _C2019 07 05.27281811 10 54.668+14 43 38.21 22.6 GVEE001568
CK19G020 _C2019 07 05.27469411 10 54.641+14 43 38.70 22.6 GVEE001568
CK19G020 _C2019 07 05.27657411 10 54.609+14 43 38.84 22.4 GVEE001568
CK19G020 _C2019 07 05.27844911 10 54.557+14 43 39.22 22.7 GVEE001568
CK19G020 C2019 12 02.51354 11 12 11.15 +30 37 07.9 19.9 GVEE001G96
CK19G020 C2019 12 02.51867 11 12 10.82 +30 37 16.6 VEE001G96
CK19G020 C2019 12 02.52381 11 12 10.41 +30 37 24.8 VEE001G96
CK19G020 C2019 12 02.52893 11 12 10.03 +30 37 33.0 20.3 GVEE001G96
CK19G020 _C2019 12 03.60330211 10 51.084+31 07 43.25 20.9 GVEE001568
CK19G020 _C2019 12 03.60587011 10 50.889+31 07 47.64 21.0 GVEE001568
CK19G020 KC2019 12 05.10527 11 08 51.54 +31 51 23.5 20.1 RqEE001C10
CK19G020 KC2019 12 05.11788 11 08 50.45 +31 51 45.2 20.1 RqEE001C10
CK19G020 KC2019 12 05.13049 11 08 49.44 +31 52 07.7 19.9 RqEE001C10
CK19G020 oC2019 12 06.46716 11 06 53.67 +32 32 36.8 19.1 RqEE001H06
CK19G020 oC2019 12 06.46815 11 06 53.51 +32 32 38.3 19.1 RqEE001H06
CK19G020 |C2019 12 20.51245 10 34 27.82 +41 05 52.7 VEE001H06
CK19G020 |C2019 12 20.51727 10 34 26.82 +41 06 04.6 VEE001H06
CK19G020 |C2019 12 20.52208 10 34 25.83 +41 06 16.4 19.2 GVEE001H06
CK19G020 C2019 12 29.51781709 55 36.23 +47 34 36.8 19.76oVEE001T08
CK19G020 C2019 12 29.52108609 55 35.22 +47 34 44.6 19.53oVEE001T08
CK19G020 C2019 12 29.52708409 55 33.18 +47 35 00.2 18.59oVEE001T08
CK19G020 C2019 12 29.53732109 55 29.91 +47 35 27.9 19.50oVEE001T08
CK19G020 |C2019 12 30.50131 09 50 07.82 +48 16 44.5 VEE001H06
CK19G020 |C2019 12 30.50491 09 50 06.51 +48 16 53.3 19.2 GVEE001H06
CK19G020 oC2020 01 01.42294 09 38 39.29 +49 37 20.3 19.2 RqEE001H06
CK19G020 oC2020 01 01.42366 09 38 39.05 +49 37 22.2 19.2 RqEE001H06
CK19G020 KC2020 01 02.10551 09 34 19.24 +50 05 10.0 18.9 RqEE001L27
CK19G020 KC2020 01 02.11691 09 34 14.82 +50 05 37.5 19.2 RqEE001L27
CK19G020 KC2020 01 02.12832 09 34 10.40 +50 06 05.0 19.2 RqEE001L27
CK19G020 C2020 01 02.51930909 31 37.69 +50 21 51.7 19.51oVEE001T08
CK19G020 C2020 01 02.52211409 31 36.64 +50 21 58.5 19.35oVEE001T08
CK19G020 C2020 01 02.53119309 31 33.02 +50 22 20.0 19.37oVEE001T08
CK19G020 C2020 01 02.54421309 31 27.67 +50 22 51.2 19.41oVEE001T08
CK19G020 C2020 01 05.26272 09 12 29.01 +52 06 31.6 19.1 GVEE001703
CK19G020 C2020 01 05.26817 09 12 26.55 +52 06 43.4 18.8 GVEE001703
CK19G020 C2020 01 05.27362 09 12 24.08 +52 06 56.0 18.4 GVEE001703
CK19G020 C2020 01 05.27907 09 12 21.57 +52 07 08.2 19.5 GVEE001703
CK19G020 C2020 01 06.60477009 02 18.13 +52 53 21.2 19.19oVEE001T08
CK19G020 C2020 01 06.60880209 02 16.14 +52 53 29.1 19.32oVEE001T08
CK19G020 C2020 01 06.61471309 02 13.51 +52 53 40.8 19.36oVEE001T08
CK19G020 C2020 01 06.62587209 02 08.25 +52 54 03.5 19.16oVEE001T08
CK19G020 C2020 01 14.29171 07 55 50.34 +55 59 51.8 19.0 GVEE001703
CK19G020 C2020 01 14.29466 07 55 48.71 +55 59 53.2 19.2 GVEE001G96
CK19G020 C2020 01 14.29730 07 55 47.24 +55 59 54.7 18.7 GVEE001703
CK19G020 C2020 01 14.29993 07 55 45.76 +55 59 57.6 19.1 GVEE001G96
CK19G020 C2020 01 14.30294 07 55 44.10 +56 00 00.5 19.7 GVEE001703
CK19G020 C2020 01 14.30520 07 55 42.83 +56 00 02.3 19.4 GVEE001G96
CK19G020 C2020 01 14.30865 07 55 40.83 +56 00 04.2 VEE001703
CK19G020 C2020 01 14.31045 07 55 39.89 +56 00 06.3 19.5 GVEE001G96
CK19G020 |C2020 01 19.21699 07 10 07.97 +56 29 32.6 VEE001H06
CK19G020 |C2020 01 19.21962 07 10 06.56 +56 29 32.5 VEE001H06
CK19G020 |C2020 01 19.22225 07 10 05.11 +56 29 31.9 19.2 GVEE001H06
CK19G020 C2020 01 20.16809 07 01 30.42 +56 26 57.5 19.6 GVEE001703
CK19G020 C2020 01 20.17343 07 01 27.68 +56 26 57.5 19.4 GVEE001703
CK19G020 C2020 01 20.18411 07 01 21.75 +56 26 54.3 19.6 GVEE001703
CK19G020 C2020 01 24.37462806 25 23.016+55 47 26.73 19.62wUEE001F51
CK19G020 C2020 01 24.38759506 25 16.631+55 47 15.66 19.78wUEE001F51
CK19G020 C2020 01 24.40048106 25 10.351+55 47 04.53 19.78wUEE001F51
CK19G020 C2020 01 24.41337206 25 04.036+55 46 53.30 19.86wUEE001F51
CK19G020 KC2020 01 24.78539 06 22 05.18 +55 41 21.3 20.0 RoEE001461
CK19G020 KC2020 01 24.79940 06 21 58.41 +55 41 09.0 20.6 RoEE001461
CK19G020 KC2020 02 20.78232 04 20 19.38 +44 43 37.4 20.5 RoEE001461
CK19G020 KC2020 02 20.79100 04 20 18.35 +44 43 25.6 21.0 RoEE001461
CK19G020 KC2020 02 21.79286 04 18 23.79 +44 20 51.6 21.3 RoEE001461
CK19G020 KC2020 02 21.79889 04 18 23.09 +44 20 43.0 20.6 RoEE001461
CK19G020 _C2020 09 13.60089003 49 54.583+28 06 55.25 23.1 GVEE001568
CK19G020 _C2020 09 13.60276403 49 54.417+28 06 54.61 23.1 GVEE001568
CK19G020 _C2020 09 13.60471503 49 54.268+28 06 53.93 24.0 GVEE001568
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig, B.
Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observers V.
Kecskemethy, C. Kalup, B. Seli. Measurer K. Sarneczky. 1.02-m
Ritchey-Chretien + CCD.
568 Maunakea. Observers K. J. Meech, J. Kleyna, J. V. Keane, E. Bufanda.
Measurers M. Micheli, J. Kleyna. 3.6-m Canada-France-Hawaii Telescope +
CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
703 Catalina Sky Survey. Observers G. J. Leonard, D. Rankin. Measurers E. J.
Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 0.68-m Schmidt + 10K
CCD.
711 McDonald Observatory, Fort Davis. Observer J. G. Ries. 2.1-m reflector +
CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
C10 Maisoncelles. Observer J.-F. Soulier. 0.30-m f/3.8 Newtonian reflector +
CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman, K. Chambers, E. Magnier. Measurers K. Chambers, S. Chastel, T.
de Boer, L. Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien +
CCD.
G96 Mt. Lemmon Survey. Observers T. A. Pruyne, G. J. Leonard. Measurers E.
J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector +
10K CCD.
H06 iTelescope Observatory, Mayhill. Observers T. Prystavski, H. Sato.
0.43-m f/4.5 astrograph + CCD, 0.43-m f/6.8 astrograph + CCD + f/4.5 focal
reducer, 0.51-m f/4.5 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, T. A.
Pruyne. Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C.
Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M.
Larson, G. J. Leonard, T. A. Pruyne, R. L. Seaman, F. C. Shelly. 1.0-m
reflector + CCD.
L27 29PREMOTE Observatory, Dauban. Observer J.-F. Soulier. 0.20-m f/4
Newtonian reflector + CCD.
N50 Himalayan Chandra Telescope, IAO, Hanle. Observers K. J. Meech, J.
Kleyna, D. Sahu, B. Bhatt. Measurers M. Micheli, J. Kleyna. 2.01-m
reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N.
Erasmus. 0.5-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer D. C. Fuls. Measurers B. M.
Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, R. L. Seaman, F. C. Shelly. 1.55-m reflector + CCD.
W84 Cerro Tololo-DECam. Observer . Measurer S. Deen. 4.0-m reflector + CCD.
Orbital elements:
C/2019 G2 (PANSTARRS)
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5
T 2019 Dec. 7.59371 TT Rudenko
q 2.2979525 (2000.0) P Q
z +0.0024448 Peri. 82.64971 -0.55066110 +0.81775059
+/-0.0000011 Node 208.17862 +0.55457856 +0.50838290
e 0.9943819 Incl. 159.22454 +0.62387096 +0.26987181
>From 123 observations 2019 Feb. 27-2020 Sept. 13, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2024 01 31 23 56 00.1 -11 45 11 13.2382 12.5618 45.1 3.2 31.6
...
2024 02 15 23 58 37.1 -11 24 08 13.4879 12.6539 31.2 2.3 31.7
...
2024 02 23 00 00 14.1 -11 12 38 13.5986 12.7029 24.2 1.8 31.7
...
2024 02 29 00 01 31.2 -11 04 06 13.6706 12.7396 19.2 1.5 31.7
2024 03 01 00 01 44.3 -11 02 41 13.6817 12.7457 18.5 1.4 31.7
2024 03 02 00 01 57.5 -11 01 17 13.6925 12.7518 17.7 1.4 31.7
...
2024 03 08 00 03 18.2 -10 53 00 13.7514 12.7884 13.5 1.0 31.8
...
2024 03 16 00 05 08.1 -10 42 27 13.8144 12.8372 10.4 0.8 31.8
...
2024 03 31 00 08 34.8 -10 24 56 13.8842 12.9285 16.3 1.2 31.8
(Last issue was M.P.E.C. 2024-D146)
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-E01
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