MPEC 2022-J76 : COMET C/2022 H1 (PANSTARRS)
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M.P.E.C. 2022-J76 Issued 2022 May 10, 03:58 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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 C/2022 H1 (PANSTARRS)
R. Weryk reports the discovery of a comet in four 45-second w-band survey
images taken on Apr. 21 UT by Pan-STARRS 2 (F52), noting a condensed 0".3 coma
with visible assymetry towards north-west. Pre-discovery positions were reported
from Feb. 2022. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
Q62 2022-04-23 H. Sato 4" 8x120s
L87 2022-05-09 J. Camarasa 4"
Observations:
CK22H010 C2022 03 02.64387413 11 34.138-30 02 19.81 20.81GVEJ076F52
CK22H010 C2022 03 02.64450313 11 34.124-30 02 19.95 20.81GVEJ076F52
CK22H010* C2022 04 21.35854412 50 35.854-31 07 11.17 20.66wUEJ076F52
CK22H010 C2022 04 21.36885812 50 35.555-31 07 11.24 20.61wUEJ076F52
CK22H010 C2022 04 21.37914712 50 35.296-31 07 11.26 20.78wUEJ076F52
CK22H010 C2022 04 21.38944812 50 35.008-31 07 11.05 20.52wUEJ076F52
CK22H010 KC2022 04 21.94161112 50 20.369-31 07 05.48 19.6 GXEJ076Y00
CK22H010 KC2022 04 21.94874212 50 20.182-31 07 05.12 19.6 GXEJ076Y00
CK22H010 KC2022 04 21.95569812 50 19.999-31 07 04.80 20.3 GXEJ076Y00
CK22H010 |C2022 04 22.19042 12 50 13.70 -31 07 02.6 20.3 GVEJ076807
CK22H010 |C2022 04 22.19411 12 50 13.59 -31 07 02.5 20.4 GVEJ076807
CK22H010 |C2022 04 22.19781 12 50 13.48 -31 07 02.5 20.3 GVEJ076807
CK22H010 KC2022 04 23.48168 12 49 39.57 -31 06 46.1 20.2 RqEJ076E94
CK22H010 KC2022 04 23.50473 12 49 38.93 -31 06 45.8 20.3 RqEJ076E94
CK22H010 1C2022 04 23.51673 12 49 38.67 -31 06 45.9 VEJ076Q62
CK22H010 1C2022 04 23.52293 12 49 38.52 -31 06 45.8 19.8 GVEJ076Q62
CK22H010 KC2022 04 23.52847 12 49 38.29 -31 06 45.1 20.3 RqEJ076E94
CK22H010 KC2022 04 25.46756 12 48 47.73 -31 06 12.9 20.0 RqEJ076E94
CK22H010 KC2022 04 25.49058 12 48 47.15 -31 06 12.6 20.0 RqEJ076E94
CK22H010 KC2022 04 26.33636 12 48 25.30 -31 05 55.4 20.4 RqEJ076E94
CK22H010 KC2022 04 26.35017 12 48 24.91 -31 05 53.3 20.5 RqEJ076E94
CK22H010 KC2022 04 26.35933 12 48 24.78 -31 05 54.1 20.5 RqEJ076E94
CK22H010 KC2022 04 26.37042 12 48 24.39 -31 05 54.2 20.4 RqEJ076E94
CK22H010 KC2022 04 26.38379 12 48 24.13 -31 05 52.7 20.5 RqEJ076E94
CK22H010 KC2022 04 26.38984 12 48 24.04 -31 05 53.2 20.5 RqEJ076E94
CK22H010 KC2022 04 29.79013 12 46 57.91 -31 04 27.6 VEJ076M21
CK22H010 KC2022 04 29.81020 12 46 57.47 -31 04 27.6 20.3 GVEJ076M21
CK22H010 KC2022 04 30.06450512 46 51.101-31 04 19.63 19.9 GXEJ076Y00
CK22H010 KC2022 04 30.07512312 46 50.837-31 04 18.05 19.9 GXEJ076Y00
CK22H010 KC2022 04 30.08542612 46 50.508-31 04 18.26 19.9 GXEJ076Y00
CK22H010 KC2022 05 01.33085 12 46 19.89 -31 03 39.4 20.0 RqEJ076E94
CK22H010 KC2022 05 01.36461 12 46 19.05 -31 03 38.3 19.9 RqEJ076E94
CK22H010 KC2022 05 01.39844 12 46 18.26 -31 03 37.5 19.9 RqEJ076E94
CK22H010 KC2022 05 02.37586 12 45 54.50 -31 03 05.0 19.8 RqEJ076E94
CK22H010 KC2022 05 02.38758 12 45 54.19 -31 03 04.3 19.9 RqEJ076E94
CK22H010 KC2022 05 02.39928 12 45 53.82 -31 03 03.6 20.0 RqEJ076E94
CK22H010 KC2022 05 02.41058 12 45 53.66 -31 03 03.0 20.0 RqEJ076E94
CK22H010 KC2022 05 05.34931 12 44 43.91 -31 01 13.3 19.1 RqEJ076E94
CK22H010 KC2022 05 05.35858 12 44 43.73 -31 01 12.9 19.2 RqEJ076E94
CK22H010 KC2022 05 05.36786 12 44 43.56 -31 01 12.7 19.0 RqEJ076E94
CK22H010 KC2022 05 06.54970 12 44 16.17 -31 00 24.7 18.8 RqEJ076E94
CK22H010 KC2022 05 06.57087 12 44 15.69 -31 00 24.0 19.0 RqEJ076E94
CK22H010 KC2022 05 06.59202 12 44 15.24 -31 00 23.5 18.9 RqEJ076E94
CK22H010 C2022 05 07.03357112 44 05.25 -31 00 04.0 19.7 GVEJ076W86
CK22H010 C2022 05 07.03740012 44 05.15 -31 00 04.0 20.0 GVEJ076W86
CK22H010 C2022 05 07.04117212 44 05.08 -31 00 03.7 20.1 GVEJ076W86
CK22H010 KC2022 05 07.47617 12 43 55.19 -30 59 44.3 20.3 RqEJ076E94
CK22H010 KC2022 05 07.49458 12 43 54.79 -30 59 43.6 20.3 RqEJ076E94
CK22H010 KC2022 05 07.51304 12 43 54.28 -30 59 42.9 20.4 RqEJ076E94
CK22H010 KC2022 05 07.53227 12 43 53.91 -30 59 42.3 20.4 RqEJ076E94
CK22H010 KC2022 05 08.87379112 43 24.058-30 58 42.85 19.6 GVEJ076L87
CK22H010 KC2022 05 08.88711212 43 23.731-30 58 42.28 VEJ076L87
CK22H010 KC2022 05 08.89918412 43 23.431-30 58 41.92 VEJ076L87
CK22H010 KC2022 05 08.99106712 43 21.494-30 58 37.81 19.7 GXEJ076Y00
CK22H010 KC2022 05 09.00414012 43 21.173-30 58 37.38 20.3 GXEJ076Y00
CK22H010 KC2022 05 09.01690712 43 20.909-30 58 36.91 20.0 GXEJ076Y00
CK22H010 KC2022 05 09.94041112 43 00.706-30 57 54.68 19.7 GVEJ076L87
CK22H010 KC2022 05 09.94839112 43 00.509-30 57 54.18 19.7 GVEJ076L87
CK22H010 KC2022 05 09.95596612 43 00.305-30 57 53.03 19.6 GVEJ076L87
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.35-m f/10 Schmidt-
Cassegrain + CCD, 0.41-m f/4.5 Newtonian reflector + CCD, 0.41-m f/4.5
Newtonian + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J. Fairlamb,
H. Gao, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
L87 Moonbase South Observatory, Hakos. Observer G. Duszanowicz. Measurer J.
Camarasa. 0.36-m f/7.7 0.36-m f/7.7 reflector + CCD.
M21 Schiaparelli Southern Observatory, Hakos. Observers A. Aletti, F.
Bellini, L. Buzzi, G. Galli. Measurer A. Aletti. 0.36-m f/8.4 reflector
+ CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD.
W86 Cerro Tololo-LCO B. Observer J. D. Armstrong. 1.0-m f/8 modified
Ritchey-Chretien + CCD.
Y00 SONEAR Observatory, Oliveira. Observer C. Jacques. 0.45-m f/2.9
reflector + CCD, 0.45-m f/2.9 0.45-m f/2.9 reflector + CCD.
Orbital elements:
C/2022 H1 (PANSTARRS)
Epoch 2024 Jan. 11.0 TT = JDT 2460320.5
T 2024 Jan. 18.86880 TT Rudenko
q 7.6950645 (2000.0) P Q
z +0.0011500 Peri. 246.24256 -0.33491477 +0.93841578
+/-0.0000782 Node 6.37355 -0.30027475 -0.02089080
e 0.9911510 Incl. 49.88832 -0.89312215 -0.34487592
From 59 observations 2022 Mar. 2-May 9, mean residual 0".5.
C/2022 H1 (PANSTARRS)
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5
T 2024 Jan. 18.84063 TT Rudenko
q 7.6944381 (2000.0) P Q
z +0.0008117 Peri. 246.25496 -0.33464646 +0.93850427
+/-0.0000782 Node 6.37952 -0.30030399 -0.02073283
e 0.9937543 Incl. 49.88880 -0.89321289 -0.34464458
From 59 observations 2022 Mar. 2-May 9, mean residual 0".5.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2022 04 10 12 55 45.8 -31 05 30 7.7313 8.6579 156.3 2.7 19.8
...
2022 04 25 12 48 59.9 -31 06 22 7.7002 8.6170 154.2 2.9 19.8
...
2022 05 03 12 45 39.4 -31 02 43 7.7095 8.5955 149.8 3.4 19.8
...
2022 05 09 12 43 21.3 -30 58 37 7.7277 8.5795 145.6 3.8 19.8
2022 05 10 12 42 59.5 -30 57 51 7.7316 8.5768 144.8 3.9 19.8
2022 05 11 12 42 38.0 -30 57 04 7.7358 8.5742 144.1 4.0 19.8
...
2022 05 17 12 40 37.3 -30 51 59 7.7659 8.5583 139.3 4.4 19.8
...
2022 05 25 12 38 20.0 -30 44 40 7.8184 8.5374 132.7 5.0 19.8
...
2022 06 09 12 35 24.6 -30 31 42 7.9500 8.4986 119.7 6.0 19.8
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-J76
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