MPEC 2020-G94 : COMET C/2020 F8 (SWAN)
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M.P.E.C. 2020-G94 Issued 2020 April 12, 23:24 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 F8 (SWAN)
Following detection of this object by M. Mattiazzo in data taken Mar. 25
from the Solar Wind Anisotropies (SWAN) camera on the Solar and Heliospheric
Observer (SOHO) spacecraft, ground-based follow up observations were performed.
Reports of cometary features are as follows:
OC Date Reporter Coma Tail PA Exposures
Q56 2020-04-11 E. Guido 8' 25' 220 3x120s
Q38 2020-04-11 M. Mattiazzo 4' 15' 223
Q62 2020-04-12 B. Ltkenhner 4' 18' 224
Q62 2020-04-12 N. Paul 5'.6 6' 219 2x60s
Q62 2020-04-12 K. Yoshimoto 7'.3 13' 220 4x60s
Q62 2020-04-12 E. Guido 3' 10x30s
Q63 2020-04-12 P. Breitenstein 2'.3 7' 220 6x70s
Q62 2020-04-12 H. Sato 5'.5 20' 220
Observations:
CK20F080 C2020 04 09.33799 22 53 01.04 -38 40 51.8 10.7 B EG094I47
CK20F080 V2020 04 09.34749 22 53 02.32 -38 40 35.5 9.8 B EG094247
CK20F080 v2020 04 09.34749 1 289.6224 -24.6339 2350 EG094247
CK20F080 C2020 04 10.39343 22 55 10.36 -38 08 13.1 8.7 V EG094I47
CK20F080 C2020 04 10.39526 22 55 10.60 -38 08 09.5 10.3 R EG094I47
CK20F080 C2020 04 10.39710 22 55 10.74 -38 08 06.4 8.7 V EG094I47
CK20F080 C2020 04 10.39889 22 55 11.00 -38 08 03.1 10.3 R EG094I47
CK20F080 C2020 04 10.40073 22 55 11.25 -38 07 59.3 8.7 V EG094I47
CK20F080 C2020 04 10.40624 22 55 11.98 -38 07 49.0 10.3 R EG094I47
CK20F080 C2020 04 10.40992 22 55 12.34 -38 07 42.8 8.7 V EG094I47
CK20F080 C2020 04 10.41543 22 55 13.00 -38 07 32.5 10.3 R EG094I47
CK20F080 C2020 04 10.87250 22 56 09.79 -37 52 55.1 12.9 VqEG094323
CK20F080 C2020 04 10.87383 22 56 09.98 -37 52 52.2 12.8 VqEG094323
CK20F080 C2020 04 10.87531 22 56 10.10 -37 52 49.8 12.9 VqEG094323
CK20F080 C2020 04 10.87636 22 56 10.31 -37 52 47.8 12.9 VqEG094323
CK20F080 C2020 04 10.87902 22 56 10.63 -37 52 42.6 12.8 VqEG094323
CK20F080 C2020 04 10.88534 22 56 11.36 -37 52 31.1 12.9 VqEG094323
CK20F080 C2020 04 10.88725 22 56 11.60 -37 52 26.8 12.8 VqEG094323
CK20F080 C2020 04 10.88901 22 56 11.84 -37 52 23.4 12.8 VqEG094323
CK20F080 KC2020 04 11.35242 22 57 10.13 -37 37 14.9 12.6 VqEG094I48
CK20F080 C2020 04 11.35511 22 57 10.55 -37 37 09.5 12.0 VqEG094I39
CK20F080 KC2020 04 11.35840 22 57 10.93 -37 37 03.6 12.8 VqEG094I48
CK20F080 C2020 04 11.36339 22 57 11.55 -37 36 53.1 10.2 RqEG094I47
CK20F080 KC2020 04 11.36456 22 57 11.51 -37 36 51.1 12.7 VqEG094I48
CK20F080 C2020 04 11.36958 22 57 12.34 -37 36 41.6 11.9 VqEG094I39
CK20F080 C2020 04 11.37211 22 57 12.61 -37 36 36.4 11.9 VqEG094I39
CK20F080 KC2020 04 11.37490 22 57 13.03 -37 36 30.6 12.7 VqEG094I48
CK20F080 C2020 04 11.39970 22 57 16.04 -37 35 42.6 11.9 VqEG094I39
CK20F080 C2020 04 11.40008 22 57 16.28 -37 35 40.5 13.9 GVEG094X02
CK20F080 C2020 04 11.40249 22 57 16.58 -37 35 36.0 12.7 GVEG094X02
CK20F080 C2020 04 11.40431 22 57 16.81 -37 35 32.3 13.9 GVEG094X02
CK20F080 C2020 04 11.41088 22 57 17.51 -37 35 19.9 10.4 RqEG094I47
CK20F080 C2020 04 11.41181 22 57 17.61 -37 35 17.9 10.2 RqEG094I47
CK20F080 C2020 04 11.41274 22 57 17.75 -37 35 16.5 10.3 RqEG094I47
CK20F080 KC2020 04 11.65041 22 57 48.03 -37 27 20.4 12.1 RqEG094E94
CK20F080 KC2020 04 11.65079 22 57 48.03 -37 27 19.8 12.7 VqEG094E94
CK20F080 KC2020 04 11.65527 22 57 48.58 -37 27 10.7 12.7 VqEG094E94
CK20F080 KC2020 04 11.65847 22 57 49.15 -37 27 03.8 12.0 RqEG094E94
CK20F080 KC2020 04 11.65975 22 57 49.17 -37 27 01.5 12.7 VqEG094E94
CK20F080 KC2020 04 11.66250 22 57 49.57 -37 26 56.1 12.1 RqEG094E94
CK20F080 KC2020 04 11.66422 22 57 49.70 -37 26 52.8 12.7 VqEG094E94
CK20F080 KC2020 04 11.66653 22 57 50.07 -37 26 48.2 12.0 RqEG094E94
CK20F080 KC2020 04 11.66871 22 57 50.30 -37 26 43.8 12.7 VqEG094E94
CK20F080 KC2020 04 11.67055 22 57 50.60 -37 26 39.5 12.1 RqEG094E94
CK20F080 KC2020 04 11.67322 22 57 50.88 -37 26 35.1 12.7 VqEG094E94
CK20F080 KC2020 04 11.67772 22 57 51.41 -37 26 26.3 12.7 VqEG094E94
CK20F080 KC2020 04 11.67861 22 57 51.67 -37 26 23.8 11.9 RqEG094E94
CK20F080 KC2020 04 11.68223 22 57 51.99 -37 26 16.9 12.7 VqEG094E94
CK20F080 KC2020 04 11.68688 22 57 52.57 -37 26 08.2 12.7 VqEG094E94
CK20F080 KC2020 04 11.69198 22 57 53.22 -37 25 57.6 12.7 VqEG094E94
CK20F080 KC2020 04 11.69646 22 57 53.82 -37 25 48.6 12.7 VqEG094E94
CK20F080 KC2020 04 11.70094 22 57 54.38 -37 25 39.8 12.7 VqEG094E94
CK20F080 KC2020 04 11.70541 22 57 54.93 -37 25 30.9 12.7 VqEG094E94
CK20F080 KC2020 04 11.70989 22 57 55.53 -37 25 22.1 12.7 VqEG094E94
CK20F080 KC2020 04 11.71091 22 57 55.66 -37 25 19.5 11.9 RqEG094E94
CK20F080 KC2020 04 11.71438 22 57 56.08 -37 25 13.3 12.7 VqEG094E94
CK20F080 KC2020 04 11.71932 22 57 56.72 -37 25 03.5 12.7 VqEG094E94
CK20F080 C2020 04 11.77720 22 58 04.10 -37 23 07.0 11.0 GVEG094Q56
CK20F080 C2020 04 11.77876 22 58 04.38 -37 23 03.8 11.5 GVEG094Q38
CK20F080 C2020 04 11.78137 22 58 04.60 -37 22 58.8 11.5 GVEG094Q38
CK20F080 C2020 04 11.78400 22 58 04.96 -37 22 53.9 11.6 GVEG094Q38
CK20F080 C2020 04 11.78708 22 58 05.35 -37 22 48.6 11.5 GVEG094Q38
CK20F080 C2020 04 11.78933 22 58 05.66 -37 22 43.3 11.2 GVEG094Q56
CK20F080 C2020 04 11.79906 22 58 06.89 -37 22 23.4 11.1 GVEG094Q56
CK20F080 C2020 04 12.37384 22 59 21.03 -37 02 45.5 10.4 RqEG094I47
CK20F080 C2020 04 12.37757 22 59 21.47 -37 02 37.4 10.3 RqEG094I47
CK20F080 C2020 04 12.41483 22 59 26.26 -37 01 21.4 10.4 RqEG094I47
CK20F080 C2020 04 12.41670 22 59 26.52 -37 01 17.4 10.2 RqEG094I47
CK20F080 C2020 04 12.41856 22 59 26.79 -37 01 13.4 10.3 RqEG094I47
CK20F080 {C2020 04 12.76198 23 00 11.60 -36 49 14.1 10.8 RqEG094Q62
CK20F080 {C2020 04 12.76291 23 00 11.72 -36 49 12.1 10.8 RqEG094Q62
CK20F080 C2020 04 12.77840 23 00 13.78 -36 48 39.7 13.2 GVEG094Q62
CK20F080 C2020 04 12.77942 23 00 13.91 -36 48 37.4 13.2 GVEG094Q62
CK20F080 C2020 04 12.78043 23 00 14.02 -36 48 35.5 13.2 GVEG094Q62
CK20F080 C2020 04 12.78149 23 00 14.17 -36 48 33.2 13.2 GVEG094Q62
CK20F080 C2020 04 12.78257 23 00 14.31 -36 48 30.7 13.2 GVEG094Q62
CK20F080 2C2020 04 12.78701 23 00 14.94 -36 48 20.4 9.8 VqEG094Q62
CK20F080 2C2020 04 12.78782 23 00 15.03 -36 48 18.5 9.8 VqEG094Q62
CK20F080 2C2020 04 12.78858 23 00 15.17 -36 48 17.9 9.7 VqEG094Q62
CK20F080 aC2020 04 12.79101 23 00 15.44 -36 48 13.0 8.5 RqEG094Q62
CK20F080 0C2020 04 12.79147 23 00 15.49 -36 48 12.4 13.2 GVEG094Q62
CK20F080 aC2020 04 12.79378 23 00 15.72 -36 48 07.9 qEG094Q62
CK20F080 C2020 04 12.79477 23 00 15.62 -36 48 09.4 11.8 RtEG094Q63
CK20F080 C2020 04 12.79660 23 00 15.86 -36 48 05.5 11.8 RtEG094Q63
CK20F080 C2020 04 12.79935 23 00 16.21 -36 47 59.8 11.8 RtEG094Q63
CK20F080 0C2020 04 12.79969 23 00 16.49 -36 47 55.8 12.4 GVEG094Q62
CK20F080 1C2020 04 12.80044 23 00 16.62 -36 47 53.7 VEG094Q62
CK20F080 1C2020 04 12.80299 23 00 16.94 -36 47 48.1 VEG094Q62
CK20F080 0C2020 04 12.80549 23 00 17.25 -36 47 43.5 12.7 GVEG094Q62
CK20F080 1C2020 04 12.80617 23 00 17.38 -36 47 41.4 9.4 GVEG094Q62
Observer details:
247 Roving Observer. Observer M. Masek.
323 Perth Observatory, Bickley. Observers P. Camilleri, J. Oey, R. Groom.
Measurer P. Camilleri. 0.34-m f/5 reflector + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.41-m f/4.5
Newtonian reflector + CCD, 0.35-m f/10 Schmidt-Cassegrain + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observer A. Chapman. 0.20-m f/4
reflector + CCD.
I47 Pierre Auger Observatory, Malargue. Observer M. Masek. , 0.3-m f/6.8
reflector + CCD.
I48 Observatorio El Catalejo, Santa Rosa. Observer J. Spagnotto. 0.20-m f/5
reflector + CCD.
Q38 Swan Hill. Observer M. Mattiazzo.
Q56 Heavens Mirror Observatory, Yass. Observers E. Guido, M. Rocchetto, A.
Valvasori. 0.1-m f/3.6 astrograph + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers N. Paul, B. Lutkenhoner,
M. Urbanik, K. Yoshimoto, A. Valvasori, E. Guido, H. Sato. 0.50-m f/6.8
reflector + CCD, 0.5-m f/4.4 reflector + CCD, 0.43-m f/6.8 reflector + CCD,
0.50-m f/6.8 reflector + CCD + f/4.5 focal reducer, 0.3-m f/9 reflector +
CCD, 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer.
Q63 Siding Spring-LCO A. Observers P. Breitenstein, L. Broering. 1.0-m
Ritchey-Chretien + CCD.
X02 Telescope Live, El Sauce. Observers E. Guido, M. Rocchetto. 0.6-m f/6.5
astrograph + CCD.
Orbital elements:
C/2020 F8 (SWAN)
Epoch 2020 May 31.0 TT = JDT 2459000.5
T 2020 May 27.59223 TT Rudenko
q 0.4295541 (2000.0) P Q
z +0.0000111 Peri. 68.33064 -0.38667804 +0.03006559
+/-0.0000000 Node 260.17022 -0.62816555 +0.72316900
e 0.9999952 Incl. 110.69778 +0.67519489 +0.69001642
From 90 observations 2020 Apr. 9-2020 Apr. 12, mean residual 0".8.
Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2020 03 13 22 07 03.0 -48 08 00 2.1187 1.6442 48.8 27.1 11.8
...
2020 03 28 22 30 40.9 -43 43 34 1.7316 1.3934 53.6 35.2 10.6
...
2020 04 05 22 44 39.9 -40 41 37 1.5071 1.2544 55.7 41.2 9.9
...
2020 04 11 22 56 25.3 -37 48 51 1.3318 1.1476 56.8 47.0 9.2
2020 04 12 22 58 32.1 -37 15 39 1.3021 1.1296 56.9 48.0 9.1
2020 04 13 23 00 42.3 -36 40 53 1.2722 1.1116 57.0 49.2 9.0
...
2020 04 19 23 15 10.3 -32 30 34 1.0915 1.0022 56.9 57.1 8.2
...
2020 04 27 23 40 35.7 -23 54 00 0.8530 0.8542 53.9 72.3 7.0
...
2020 05 12 01 17 42.4 +14 52 01 0.5572 0.5849 28.5 124.4 4.4
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-G94
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