MPEC 2018-F137: COMET C/2018 F3 (Johnson)
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Read MPEC 2018-F138
M.P.E.C. 2018-F137 Issued 2018 Mar. 28, 14:37 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/2018 F3 (Johnson)
Observations:
CK18F030* C2018 03 20.26663 11 21 02.03 -03 03 23.1 19.4 GUEF137G96
CK18F030 C2018 03 20.27175 11 21 01.60 -03 03 15.9 19.5 GUEF137G96
CK18F030 C2018 03 20.27686 11 21 01.23 -03 03 07.8 19.5 GUEF137G96
CK18F030 C2018 03 20.28198 11 21 00.83 -03 02 59.2 19.7 GUEF137G96
CK18F030 C2018 03 20.31178611 20 58.35 -03 02 10.2 20.1 GUEF137H01
CK18F030 C2018 03 20.31569811 20 58.04 -03 02 03.9 20.3 GUEF137H01
CK18F030 C2018 03 20.32599511 20 57.21 -03 01 47.7 20.1 GUEF137H01
CK18F030 C2018 03 20.33319411 20 56.63 -03 01 36.5 20.2 GUEF137H01
CK18F030 C2018 03 20.34897 11 20 55.38 -03 01 12.5 19.9 GUEF137I52
CK18F030 C2018 03 20.35370 11 20 55.01 -03 01 04.9 20.3 GUEF137I52
CK18F030 C2018 03 20.35568 11 20 54.82 -03 01 01.8 19.7 GUEF137I52
CK18F030 KC2018 03 20.38277 11 20 52.89 -03 00 14.3 20.9 RUEF137474
CK18F030 KC2018 03 20.38699 11 20 52.57 -03 00 07.2 19.8 RUEF137474
CK18F030 KC2018 03 20.38910 11 20 52.36 -03 00 04.5 20.7 RUEF137474
CK18F030 KC2018 03 20.39332 11 20 52.06 -02 59 57.8 20.2 RUEF137474
CK18F030 C2018 03 21.01177 11 20 02.97 -02 43 50.5 19.7 VSEF137033
CK18F030 C2018 03 21.01494 11 20 02.70 -02 43 45.6 19.7 VSEF137033
CK18F030 C2018 03 21.01812 11 20 02.46 -02 43 40.9 19.4 VSEF137033
CK18F030 C2018 03 21.23635 11 19 45.40 -02 37 58.4 20.0 GUEF137I52
CK18F030 C2018 03 21.23967 11 19 45.14 -02 37 52.2 21.5 GUEF137I52
CK18F030 C2018 03 21.24129 11 19 45.03 -02 37 50.4 20.2 GUEF137I52
CK18F030 C2018 03 21.81235 11 19 00.33 -02 22 57.8 19.7 VSEF137033
CK18F030 C2018 03 21.97756 11 18 47.33 -02 18 39.9 19.7 VSEF137033
CK18F030 KC2018 03 22.02776 11 18 43.31 -02 17 24.9 20.2 RqEF137A77
CK18F030 |C2018 03 22.03718 11 18 42.85 -02 17 03.6 20.4 GUEF137807
CK18F030 |C2018 03 22.03976 11 18 42.68 -02 16 59.1 20.5 GUEF137807
CK18F030 |C2018 03 22.04224 11 18 42.48 -02 16 55.2 20.7 GUEF137807
CK18F030 KC2018 03 22.04592 11 18 41.92 -02 16 55.3 20.1 RqEF137A77
CK18F030 KC2018 03 22.06408 11 18 40.53 -02 16 28.2 19.9 RqEF137A77
CK18F030 C2018 03 22.20983 11 18 29.32 -02 12 38.2 20.4 GUEF137I52
CK18F030 C2018 03 22.21233 11 18 29.19 -02 12 34.2 20.4 GUEF137I52
CK18F030 C2018 03 22.21311 11 18 29.15 -02 12 33.4 20.2 GUEF137I52
CK18F030 C2018 03 22.21555 11 18 28.94 -02 12 29.1 20.1 GUEF137I52
CK18F030 C2018 03 23.54582 11 16 46.43 -01 38 09.7 20.3 RrEF137P93
CK18F030 C2018 03 23.55066 11 16 46.04 -01 38 01.9 20.3 RrEF137P93
CK18F030 C2018 03 23.55550 11 16 45.78 -01 37 54.4 20.3 RrEF137P93
CK18F030 C2018 03 23.56034 11 16 45.41 -01 37 47.1 20.2 RrEF137P93
CK18F030 KC2018 03 23.91389 11 16 18.43 -01 28 43.9 20.0 UEF137104
CK18F030 KC2018 03 23.95983 11 16 14.99 -01 27 34.2 19.6 UEF137104
CK18F030 9C2018 03 23.97585 11 16 13.88 -01 27 08.5 20.4 VUEF137G40
CK18F030 9C2018 03 24.04241 11 16 08.76 -01 25 24.8 20.0 VUEF137G40
CK18F030 9C2018 03 24.15697 11 15 59.82 -01 22 30.5 20.2 VUEF137G40
CK18F030 1C2018 03 24.55694 11 15 29.86 -01 12 14.1 vEF137Q62
CK18F030 1C2018 03 24.55970 11 15 29.63 -01 12 09.3 vEF137Q62
CK18F030 1C2018 03 24.56246 11 15 29.46 -01 12 05.4 19.4 wvEF137Q62
CK18F030 |C2018 03 28.19529 11 11 03.60 +00 18 51.4 20.6 GUEF137807
CK18F030 |C2018 03 28.19835 11 11 03.38 +00 18 56.2 20.7 GUEF137807
CK18F030 |C2018 03 28.20141 11 11 03.16 +00 19 00.9 20.6 GUEF137807
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D. Grazia.
Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD, 1.00-m f/10.0 astrograph + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observer J.-F. Soulier. 0.20-m f/4
Newtonian reflector + CCD.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD.
G96 Mt. Lemmon Survey. Observer J. A. Johnson. Measurers B. M. Africano,
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
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 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
B. M. Africano, E. J. Christensen. Measurers B. M. Africano,
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson,
R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.
1.0-m reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura,
S. Urakawa. 1.0-m f/3.0 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Orbital elements:
C/2018 F3 (Johnson)
T 2017 Aug. 14.95776 TT MPCW
q 2.4748420 (2000.0) P Q
Peri. 292.75128 -0.41371552 -0.90288006
Node 173.03760 +0.17237279 +0.04831237
e 1.0 Incl. 105.47990 -0.89393909 +0.42716919
From 46 observations 2018 Mar. 20-28.
Ephemeris:
C/2018 F3 (Johnson)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2018 02 26 11 52 27.6 -12 53 49 2.3301 3.2316 151.0 8.6 19.9
...
2018 03 13 11 30 59.9 -06 17 15 2.3470 3.3314 170.6 2.8 20.1
...
2018 03 21 11 20 04.0 -02 44 08 2.4014 3.3859 169.6 3.0 20.2
...
2018 03 27 11 12 29.5 -00 10 46 2.4627 3.4272 162.5 5.0 20.3
2018 03 28 11 11 17.6 +00 14 00 2.4745 3.4342 161.1 5.4 20.3
2018 03 29 11 10 07.0 +00 38 29 2.4868 3.4411 159.8 5.7 20.3
...
2018 04 04 11 03 30.0 +02 59 25 2.5696 3.4830 151.8 7.8 20.5
...
2018 04 12 10 55 58.0 +05 49 13 2.7019 3.5394 141.2 10.2 20.6
...
2018 04 27 10 46 03.5 +10 07 25 3.0041 3.6468 122.6 13.4 21.0
Gareth V. Williams (C) Copyright 2018 MPC M.P.E.C. 2018-F137
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