MPEC 2020-A132 : COMET C/2020 A2 (Iwamoto)
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M.P.E.C. 2020-A132 Issued 2020 January 15, 17:18 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 A2 (Iwamoto)
This object was reported on 2020 Jan. 9 UT as a possible comet by
M. Iwamoto (872) and it was placed on the PCCP. On Jan. 13, G. Borisov (L51)
reported this object as having a diffuse 40" coma. Additional reports of
cometary features were as follows:
OC Date Reporter Coma Tail PA Exposures
C42 Jan. 9 X. Gao 30"
D88 Jan. 13 Y. Sugiyama 40"
A71 Jan. 14 M. Jaeger 160" 5x150s
G96 Jan. 14 G. Leonard 35"
H06 Jan. 14 H. Sato 90"
I52 Jan. 14 K. W. Wierzchos 45" 4x10s
K61 Jan. 15 M. Adamovsky 20" 22x20s
H06 Jan. 14 M. Mattiazzo 60" 10x30s
950 Jan. 15 M. Masek 72" 24x60s
Observations:
CK20A020* C2020 01 08.8604 17 52 58.28 +05 44 30.0 zEA132872
CK20A020 C2020 01 08.8611 17 52 58.72 +05 44 29.4 12.8 RzEA132872
CK20A020 C2020 01 09.99024 17 53 49.42 +06 32 03.2 15.0 VVEA132C42
CK20A020 C2020 01 10.00810 17 53 50.16 +06 32 47.9 14.4 VVEA132C42
CK20A020 C2020 01 10.02587 17 53 51.13 +06 33 33.3 14.6 VVEA132C42
CK20A020 C2020 01 13.14624 17 56 20.46 +08 51 54.7 14.5 RqEA132L51
CK20A020 C2020 01 13.15671 17 56 20.87 +08 52 20.6 14.4 RqEA132L51
CK20A020 C2020 01 13.16714 17 56 21.48 +08 52 50.3 14.6 RqEA132L51
CK20A020 C2020 01 13.85728 17 56 56.41 +09 25 02.1 14.5 R EA132403
CK20A020 C2020 01 13.85896 17 56 56.55 +09 25 05.8 14.3 R EA132403
CK20A020 KC2020 01 13.86199 17 56 56.61 +09 25 15.7 SEA132D88
CK20A020 C2020 01 13.86269 17 56 56.66 +09 25 19.7 EA132403
CK20A020 KC2020 01 13.86498 17 56 56.76 +09 25 24.5 14.4 RSEA132D88
CK20A020 C2020 01 13.86641 17 56 56.98 +09 25 29.4 EA132403
CK20A020 KC2020 01 14.17141 17 57 12.50 +09 39 49.5 15.7 VtEA132A71
CK20A020 KC2020 01 14.17455 17 57 12.66 +09 39 59.7 15.8 VtEA132A71
CK20A020 KC2020 01 14.17884 17 57 12.88 +09 40 11.5 16.8 VtEA132A71
CK20A020 KC2020 01 14.18489 17 57 13.21 +09 40 28.5 16.8 VtEA132A71
CK20A020 KC2020 01 14.19052 17 57 13.59 +09 40 44.1 16.8 VtEA132A71
CK20A020 KC2020 01 14.22025 17 57 15.02 +09 42 08.8 16.3 VtEA132A71
CK20A020 KC2020 01 14.25596 17 57 16.89 +09 43 48.6 15.2 RqEA132970
CK20A020 KC2020 01 14.26055 17 57 17.12 +09 44 02.0 15.4 RqEA132970
CK20A020 KC2020 01 14.26513 17 57 17.31 +09 44 15.9 15.5 RqEA132970
CK20A020 *C2020 01 14.27910 17 57 18.13 +09 44 57.2 15.7 GVEA132G40
CK20A020 *C2020 01 14.28846 17 57 18.62 +09 45 24.8 15.7 GVEA132G40
CK20A020 *C2020 01 14.29193 17 57 18.84 +09 45 34.2 15.6 GVEA132G40
CK20A020 C2020 01 14.51124917 57 30.29 +09 56 01.0 17.0 GVEA132H01
CK20A020 C2020 01 14.52230217 57 30.87 +09 56 33.0 17.0 GVEA132H01
CK20A020 C2020 01 14.52784917 57 31.17 +09 56 48.9 17.0 GVEA132H01
CK20A020 |C2020 01 14.53141 17 57 31.34 +09 56 59.0 VEA132H06
CK20A020 C2020 01 14.53291 17 57 31.35 +09 57 03.4 15.6 GVEA132H06
CK20A020 |C2020 01 14.53500 17 57 31.53 +09 57 09.0 VEA132H06
CK20A020 C2020 01 14.53579 17 57 31.44 +09 57 11.7 15.9 GVEA132H06
CK20A020 C2020 01 14.53660717 57 31.61 +09 57 14.0 17.0 GVEA132H01
CK20A020 |C2020 01 14.53863 17 57 31.70 +09 57 19.8 VEA132H06
CK20A020 C2020 01 14.54167 17 57 31.87 +09 57 29.9 16.0 GVEA132H06
CK20A020 |C2020 01 14.54225 17 57 31.89 +09 57 29.9 13.4 GVEA132H06
CK20A020 C2020 01 14.54324917 57 31.95 +09 57 33.2 16.9 GVEA132H01
CK20A020 C2020 01 14.54814 17 57 32.19 +09 57 47.5 15.8 GVEA132G96
CK20A020 C2020 01 14.55263 17 57 32.43 +09 58 01.1 15.9 GVEA132G96
CK20A020 C2020 01 14.55710 17 57 32.63 +09 58 13.2 15.8 GVEA132G96
CK20A020 C2020 01 14.55731 17 57 32.71 +09 58 14.6 14.0 GVEA132I52
CK20A020 C2020 01 14.55822 17 57 32.70 +09 58 17.1 14.1 GVEA132I52
CK20A020 C2020 01 14.55913 17 57 32.66 +09 58 19.6 14.2 GVEA132I52
CK20A020 C2020 01 14.56101 17 57 32.85 +09 58 24.7 15.8 GVEA132G96
CK20A020 C2020 01 14.86443 17 57 48.76 +10 13 01.0 qEA132D74
CK20A020 C2020 01 14.87234 17 57 49.21 +10 13 22.6 qEA132D74
CK20A020 KC2020 01 15.15582 17 58 04.33 +10 27 06.2 16.2 VqEA132L34
CK20A020 KC2020 01 15.15834 17 58 04.50 +10 27 13.3 17.0 VqEA132L34
CK20A020 KC2020 01 15.17496 17 58 05.25 +10 28 01.7 14.6 RVEA132K61
CK20A020 KC2020 01 15.17607 17 58 05.25 +10 28 05.4 14.4 RVEA132K61
CK20A020 KC2020 01 15.17671 17 58 05.33 +10 28 06.9 14.5 RVEA132K61
CK20A020 KC2020 01 15.17814 17 58 05.42 +10 28 11.3 14.6 RVEA132K61
CK20A020 KC2020 01 15.17974 17 58 05.53 +10 28 15.1 14.8 RVEA132K61
CK20A020 C2020 01 15.20152 17 58 06.76 +10 29 20.3 15.5 VqEA132L34
CK20A020 C2020 01 15.21362 17 58 07.43 +10 29 55.9 16.6 VqEA132L34
CK20A020 C2020 01 15.21968 17 58 07.75 +10 30 13.2 15.9 VqEA132L34
CK20A020 KC2020 01 15.27476 17 58 10.73 +10 32 55.6 13.2 RqEA132950
CK20A020 9C2020 01 15.27992 17 58 10.96 +10 33 10.1 16.3 GVEA132G40
CK20A020 KC2020 01 15.28081 17 58 11.04 +10 33 13.2 13.2 RqEA132950
CK20A020 9C2020 01 15.28436 17 58 11.18 +10 33 23.0 17.3 GVEA132G40
CK20A020 KC2020 01 15.28644 17 58 11.31 +10 33 29.5 13.2 RqEA132950
CK20A020 9C2020 01 15.28845 17 58 11.42 +10 33 34.9 17.2 GVEA132G40
Observer details:
403 Kani. Observer Y. Mizuno. Measurer S. Nakano. 0.32-m f/5.4 reflector +
CCD.
872 Tokushima. Observer M. Iwamoto. Measurer S. Nakano.
950 La Palma. Observer M. Masek. 0.25-m f/6.8 reflector + CCD.
970 Chelmsford. Observer N. James. 0.28-m f/10 Schmidt-Cassegrain + CCD.
A71 Stixendorf. Observers M. Jaeger, E. Prosperi, S. Prosperi. Measurer M.
Jaeger. 0.28-m f/2.2 reflector + CCD.
C42 Xingming Observatory, Mt. Nanshan. Observers G. Sun, Z. Xu, X. Gao.
Measurers G. Sun, Q.-Z. Ye. 0.11-m f/5.0 refractor + CCD.
D74 Nakagawa. Observer K. Imamura. 1.13-m f/9.7 reflector + CCD.
D88 Hiratsuka. Observer Y. Sugiyama. 0.25-m f/5.0 reflector + CCD.
G40 Slooh.com Canary Islands Observatory. Observers M. Suzuki, B. Lutkenhoner.
0.43-m f/6.8 Corrected Dall-Kirkham + CCD.
G96 Mt. Lemmon Survey. Observer 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H06 iTelescope Observatory, Mayhill. Observers H. Sato, M. Mattiazzo. 0.43-m
f/6.8 astrograph + CCD + f/4.5 focal reducer, 0.50-m f/6.8 astrograph + CCD
+ f/4.5 focal reducer.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
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.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector + CCD.
L34 Galhassin Robotic Telescope, Isnello. Observer A. Nastasi. 0.4-m f/3.8
Ritchey-Chretien + CCD.
L51 MARGO, Nauchnij. Observer G. Borisov. 0.30-m f/1.5 astrograph + CCD.
Orbital elements:
C/2020 A2 (Iwamoto)
T 2020 Jan. 8.21467 TT Bell
q 0.9800231 (2000.0) P Q
Peri. 67.92844 -0.34902617 -0.44413715
Node 286.28629 -0.76962645 +0.63824087
e 1.0 Incl. 120.71963 +0.53465490 +0.62880107
From 63 observations 2020 Jan. 8-15.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2019 12 16 17 38 50.6 -07 28 53 1.9705 1.0588 15.9 14.7 15.2
...
2019 12 31 17 47 03.2 +00 10 08 1.7694 0.9904 26.4 26.2 14.7
...
2020 01 08 17 52 20.5 +05 09 10 1.6285 0.9800 33.9 34.0 14.5
...
2020 01 14 17 57 03.4 +09 31 46 1.5115 0.9851 39.9 39.8 14.3
2020 01 15 17 57 55.7 +10 19 34 1.4914 0.9871 40.9 40.7 14.3
2020 01 16 17 58 49.6 +11 08 40 1.4710 0.9893 41.9 41.6 14.3
...
2020 01 22 18 04 56.4 +16 34 44 1.3473 1.0087 48.2 46.7 14.2
...
2020 01 30 18 15 46.6 +25 35 50 1.1854 1.0497 57.0 51.9 14.1
...
2020 02 14 18 55 50.2 +50 00 21 0.9553 1.1645 73.6 54.4 14.1
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-A132
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