MPEC 2020-H220 : COMET C/2020 H2 (Pruyne)
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M.P.E.C. 2020-H220 Issued 2020 April 28, 18:57 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/2020 H2 (Pruyne)
This object was reported on Apr. 26 UT by T. A. Pruyne of the Catalina Sky
Survey (703) as cometary, noting a very asymmetric fan-shaped 15" coma toward
PA 280 and a 10" tail. Additional reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
A71 2020-04-27 M. Jaeger 5'
L01 2020-04-27 K. Korlevic 65" 18m
G40 2020-04-27 M. Suzuki 1' 6x20s
850 2020-04-27 D. T. Durig 30" 10 60x10s
X02 2020-04-27 E. Guido 1' 55x10s
H06 2020-04-27 H. Sato 2'.9 24x20s
H06 2020-04-27 K. Yoshimoto 1' 10x30s
U69 2020-04-27 B. Lutkenhoner 1'.5 8x60s
Q38 2020-04-27 M. Mattiazzo 1' 10x30s
C73 2020-04-28 S. Deen 80" 4x30s
G40 2020-04-28 B. Lutkenhoner 2' 20x50s
G40 2020-04-28 N. Paul 2' 8x20s
H06 2020-04-28 R. Ligustri 3' 11x30s
H06 2020-04-28 D. Denisenko 1'.5 9x60s
Observations:
CK20H020* C2020 04 26.47112 22 34 35.89 +13 53 49.8 16.2 GVEH220703
CK20H020 C2020 04 26.47904 22 34 36.39 +13 55 01.1 16.2 GVEH220703
CK20H020 C2020 04 26.48300 22 34 36.75 +13 55 34.6 16.1 GVEH220703
CK20H020 C2020 04 26.60018822 34 44.55 +14 12 43.1 18.22oVEH220T08
CK20H020 C2020 04 26.61056122 34 45.18 +14 14 14.9 16.57oVEH220T08
CK20H020 C2020 04 26.62125622 34 45.89 +14 15 48.6 16.91oVEH220T08
CK20H020 C2020 04 26.62463222 34 46.09 +14 16 17.8 18.42oVEH220T08
CK20H020 KC2020 04 27.07254 22 35 16.99 +15 22 46.0 17.1 VqEH220A71
CK20H020 KC2020 04 27.07795 22 35 17.35 +15 23 36.2 17.0 VqEH220A71
CK20H020 KC2020 04 27.08310 22 35 17.67 +15 24 21.9 16.9 VqEH220A71
CK20H020 KC2020 04 27.09160 22 35 18.29 +15 25 38.1 17.0 VqEH220A71
CK20H020 KC2020 04 27.09644622 35 18.59 +15 26 21.6 16.0 GVEH220L01
CK20H020 KC2020 04 27.09649 22 35 18.68 +15 26 22.7 17.1 VqEH220A71
CK20H020 KC2020 04 27.09820922 35 18.73 +15 26 38.5 15.9 GVEH220L01
CK20H020 KC2020 04 27.09995422 35 18.82 +15 26 53.2 16.0 GVEH220L01
CK20H020 KC2020 04 27.10147722 35 18.92 +15 27 06.9 16.2 GVEH220L01
CK20H020 KC2020 04 27.10278322 35 19.08 +15 27 19.0 16.0 GVEH220L01
CK20H020 *C2020 04 27.19238 22 35 25.67 +15 40 53.0 14.7 GVEH220G40
CK20H020 *C2020 04 27.20666 22 35 26.55 +15 43 03.3 14.6 GVEH220G40
CK20H020 KC2020 04 27.40381 22 35 40.92 +16 13 02.6 17.6 VqEH220850
CK20H020 KC2020 04 27.40549 22 35 41.02 +16 13 30.0 17.4 GVEH220X02
CK20H020 KC2020 04 27.40655 22 35 41.10 +16 13 27.9 17.8 VqEH220850
CK20H020 KC2020 04 27.40929 22 35 41.27 +16 13 53.5 17.7 VqEH220850
CK20H020 KC2020 04 27.41199 22 35 41.49 +16 14 18.5 17.7 VqEH220850
CK20H020 KC2020 04 27.41245 22 35 41.42 +16 14 33.3 17.7 GVEH220X02
CK20H020 |C2020 04 27.46172 22 35 45.24 +16 21 55.2 VEH220H06
CK20H020 pC2020 04 27.46272 22 35 45.33 +16 22 04.9 14.2 RqEH220H06
CK20H020 |C2020 04 27.46416 22 35 45.39 +16 22 18.0 VEH220H06
CK20H020 pC2020 04 27.46500 22 35 45.56 +16 22 26.3 qEH220H06
CK20H020 |C2020 04 27.46658 22 35 45.58 +16 22 40.5 VEH220H06
CK20H020 |C2020 04 27.46899 22 35 45.76 +16 23 02.1 13.8 GVEH220H06
CK20H020 #C2020 04 27.48141 22 35 46.69 +16 24 55.5 17.6 GUEH220U69
CK20H020 #C2020 04 27.48413 22 35 46.88 +16 25 20.7 17.0 GUEH220U69
CK20H020 #C2020 04 27.48968 22 35 47.33 +16 26 12.7 17.1 GUEH220U69
CK20H020 C2020 04 27.78851 22 36 09.98 +17 12 45.1 16.3 GVEH220Q38
CK20H020 C2020 04 27.79007 22 36 10.03 +17 12 59.9 15.7 GVEH220Q38
CK20H020 C2020 04 27.79163 22 36 10.41 +17 13 15.7 14.2 GVEH220Q38
CK20H020 C2020 04 27.79319 22 36 10.37 +17 13 30.3 15.2 GVEH220Q38
CK20H020 KC2020 04 28.05122 22 36 30.66 +17 53 44.3 16.5 VqEH220C73
CK20H020 KC2020 04 28.05324 22 36 30.80 +17 54 02.3 qEH220C73
CK20H020 KC2020 04 28.05506 22 36 30.89 +17 54 19.4 qEH220C73
CK20H020 KC2020 04 28.05688 22 36 30.97 +17 54 38.3 16.6 VqEH220C73
CK20H020 KC2020 04 28.05872 22 36 31.12 +17 54 54.0 qEH220C73
CK20H020 KC2020 04 28.06053 22 36 31.37 +17 55 10.7 16.3 VqEH220C73
CK20H020 9C2020 04 28.20630 22 36 43.23 +18 18 22.4 17.5 GVEH220G40
CK20H020 9C2020 04 28.21207 22 36 43.64 +18 19 18.1 17.5 GVEH220G40
CK20H020 9C2020 04 28.21769 22 36 44.09 +18 20 12.3 17.4 GVEH220G40
CK20H020 YC2020 04 28.44285922 37 02.76 +18 56 17.2 16.5 GUEH220H06
CK20H020 YC2020 04 28.44562522 37 02.93 +18 56 45.4 16.6 GUEH220H06
CK20H020 YC2020 04 28.44838022 37 03.23 +18 57 11.1 16.8 GUEH220H06
CK20H020 C2020 04 28.47312 22 37 05.23 +19 01 09.8 VEH220I52
CK20H020 C2020 04 28.47396 22 37 05.28 +19 01 17.8 VEH220I52
Observer details:
703 Catalina Sky Survey. Observer T. A. Pruyne. 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.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/7.8
Schmidt-Cassegrain + 2758$\\times$2208 CCD.
A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer M.
Jaeger. 0.28-m f/2.2 reflector + CCD.
C73 Galati Observatory. Observers O. Tercu, A.-M. Stoian, G. Neagu, D. Zlat,
S. Deen. 0.4-m f/8 Ritchey-Chretien + CCD.
G40 Slooh.com Canary Islands Observatory. Observers M. Suzuki, B. Lutkenhoner.
0.43-m f/6.8 Corrected Dall-Kirkham + CCD.
H06 iTelescope Observatory, Mayhill. Observers H. Sato, K. Yoshimoto, D.
Denisenko. 0.43-m f/6.8 astrograph + CCD + f/4.5 focal reducer, 0.50-m
f/6.8 reflector + CCD + f/4.5 focal reducer.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. 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. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector +
CCD.
Q38 Swan Hill. Observer M. Mattiazzo.
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.
U69 iTelescope SRO Observatory, Auberry. Observer B. Lutkenhoner. 0.61-m
f/6.5 reflector + CCD.
X02 Telescope Live, El Sauce. Observers E. Guido, M. Rocchetto, A. Valvasori.
0.6-m f/6.5 astrograph + CCD.
Orbital elements:
C/2020 H2 (Pruyne)
T 2020 Apr. 27.62059 TT Rudenko
q 0.8337198 (2000.0) P Q
Peri. 26.76554 -0.13695076 -0.56831770
Node 277.68109 -0.99019717 +0.05583663
e 1.0 Incl. 125.04736 -0.02746002 +0.82091245
From 47 observations 2020 Apr. 26-28.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 03 29 22 26 33.7 -21 35 46 1.5427 0.9982 39.4 39.4 18.9
...
2020 04 13 22 27 30.2 -09 03 19 1.1349 0.8777 48.0 58.1 17.7
...
2020 04 21 22 30 13.3 +02 27 15 0.9181 0.8430 51.8 69.4 17.1
...
2020 04 27 22 35 11.2 +15 11 53 0.7780 0.8338 53.9 77.2 16.7
2020 04 28 22 36 25.9 +17 45 37 0.7583 0.8337 54.2 78.3 16.6
2020 04 29 22 37 50.3 +20 27 19 0.7399 0.8341 54.5 79.3 16.6
...
2020 05 05 22 51 17.3 +39 08 18 0.6656 0.8452 56.3 82.8 16.4
...
2020 05 13 23 43 21.3 +65 51 19 0.6869 0.8821 59.0 79.1 16.6
...
2020 05 28 07 47 33.5 +74 26 05 1.0112 1.0056 59.6 60.3 18.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-H220
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