[Iaude] MPEC Y69: COMET C/2018 Y1 (Iwamoto)
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Dec 25 21:21:16 EST 2018
M.P.E.C. 2018-Y69 Issued 2018 Dec. 26, 02:16 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2018 Y1 (Iwamoto)
Observations:
CK18Y010 kC2018 12 20.52992 14 17 40.92 -24 40 09.0 14.1 RoEY069H06
CK18Y010 kC2018 12 20.53301 14 17 40.90 -24 40 07.6 14.2 RoEY069H06
CK18Y010 C2018 12 20.83657 14 17 39.68 -24 39 21.3 mEY069349
CK18Y010 KC2018 12 20.83769 14 17 39.71 -24 39 21.2 uEY069367
CK18Y010 KC2018 12 20.84052 14 17 39.73 -24 39 20.0 uEY069367
CK18Y010 KC2018 12 20.84336 14 17 39.65 -24 39 19.4 uEY069367
CK18Y010 C2018 12 20.84609 14 17 39.62 -24 39 20.0 mEY069349
CK18Y010 KC2018 12 20.84619 14 17 39.68 -24 39 19.3 uEY069367
CK18Y010 KC2018 12 20.84903 14 17 39.66 -24 39 19.2 12.6 TuEY069367
CK18Y010 C2018 12 20.85558 14 17 39.60 -24 39 18.1 12.7 TmEY069349
CK18Y010 C2018 12 20.86472 14 17 39.60 -24 39 17.5 13.7 TtEY069403
CK18Y010 C2018 12 20.87274 14 17 39.57 -24 39 15.8 tEY069403
CK18Y010 C2018 12 20.87784 14 17 39.54 -24 39 13.0 tEY069403
CK18Y010 9C2018 12 21.27501 14 17 37.81 -24 38 11.4 15.8 NUEY069G40
CK18Y010 9C2018 12 21.27747 14 17 37.78 -24 38 11.4 15.7 NUEY069G40
CK18Y010 9C2018 12 21.27790 14 17 37.75 -24 38 11.4 15.7 NUEY069G40
CK18Y010 9C2018 12 21.28136 14 17 37.78 -24 38 10.9 15.8 NUEY069G40
CK18Y010 9C2018 12 21.28419 14 17 37.72 -24 38 10.2 15.8 NUEY069G40
CK18Y010 9C2018 12 21.28483 14 17 37.75 -24 38 10.5 15.8 NUEY069G40
CK18Y010 9C2018 12 21.28834 14 17 37.75 -24 38 09.7 15.8 NUEY069G40
CK18Y010 $C2018 12 21.31296 14 17 37.73 -24 37 59.2 15.4 RoEY069W88
CK18Y010 C2018 12 21.33046 14 17 37.69 -24 37 58.2 15.8 GVEY069W96
CK18Y010 $C2018 12 21.34411 14 17 37.60 -24 37 55.2 15.3 RoEY069W88
CK18Y010 C2018 12 21.34592 14 17 37.54 -24 37 56.3 15.8 GVEY069W96
CK18Y010 C2018 12 21.36362 14 17 37.47 -24 37 53.6 15.6 GVEY069W96
CK18Y010 C2018 12 21.83900 14 17 34.87 -24 36 41.4 qEY069D95
CK18Y010 C2018 12 21.84871 14 17 34.80 -24 36 40.3 qEY069D95
CK18Y010 C2018 12 21.85087 14 17 34.77 -24 36 39.7 12.5 TqEY069D95
CK18Y010 C2018 12 22.24204 14 17 32.56 -24 35 34.0 15.2 NqEY069J22
CK18Y010 C2018 12 22.24388 14 17 32.65 -24 35 33.4 15.2 NqEY069J22
CK18Y010 C2018 12 22.26292 14 17 31.92 -24 35 30.1 13.5 NUEY069970
CK18Y010 C2018 12 22.27262 14 17 31.99 -24 35 27.7 13.6 NUEY069970
CK18Y010 9C2018 12 22.27582 14 17 32.31 -24 35 28.1 15.8 NUEY069G40
CK18Y010 9C2018 12 22.27981 14 17 32.31 -24 35 27.4 15.8 NUEY069G40
CK18Y010 9C2018 12 22.28168 14 17 32.32 -24 35 27.4 15.8 NUEY069G40
CK18Y010 9C2018 12 22.28656 14 17 32.30 -24 35 26.7 15.8 NUEY069G40
CK18Y010 9C2018 12 22.28948 14 17 32.22 -24 35 26.5 15.7 NUEY069G40
CK18Y010 KC2018 12 22.29149 14 17 32.23 -24 35 19.5 15.5 RqEY069I47
CK18Y010 KC2018 12 22.30086 14 17 32.18 -24 35 18.2 15.5 RqEY069I47
CK18Y010 KC2018 12 22.30862 14 17 32.21 -24 35 17.6 15.6 NqEY069W96
CK18Y010 KC2018 12 22.31023 14 17 32.13 -24 35 16.6 15.5 RqEY069I47
CK18Y010 KC2018 12 22.33670 14 17 32.03 -24 35 13.4 15.3 NqEY069W96
CK18Y010 KC2018 12 22.36782 14 17 31.87 -24 35 08.3 15.5 NqEY069W96
CK18Y010 XC2018 12 22.71480 14 17 29.51 -24 34 08.5 15.8 RUEY069Q62
CK18Y010 XC2018 12 22.71877 14 17 29.47 -24 34 07.7 15.6 RUEY069Q62
CK18Y010 XC2018 12 22.72267 14 17 29.46 -24 34 07.0 16.0 RUEY069Q62
CK18Y010 3C2018 12 22.72811 14 17 29.43 -24 34 06.8 14.9 NqEY069Q62
CK18Y010 3C2018 12 22.73210 14 17 29.38 -24 34 05.9 15.0 NqEY069Q62
CK18Y010 NC2018 12 22.73581 14 17 29.30 -24 34 04.3 15.3 RqEY069Q62
CK18Y010 3C2018 12 22.73635 14 17 29.33 -24 34 05.1 14.9 NqEY069Q62
CK18Y010 NC2018 12 22.73667 14 17 29.33 -24 34 04.7 15.1 RqEY069Q62
CK18Y010 NC2018 12 22.73751 14 17 29.37 -24 34 04.1 15.2 RqEY069Q62
CK18Y010 C2018 12 22.84271 14 17 28.53 -24 33 53.1 qEY069D95
CK18Y010 C2018 12 22.84702 14 17 28.48 -24 33 52.4 qEY069D95
CK18Y010 C2018 12 22.84918 14 17 28.44 -24 33 51.7 12.2 TqEY069D95
CK18Y010 KC2018 12 23.24655 14 17 25.70 -24 32 33.7 15.3 VqEY069A77
CK18Y010 KC2018 12 23.24696 14 17 25.64 -24 32 33.4 15.4 VqEY069A77
CK18Y010 KC2018 12 23.24819 14 17 25.19 -24 32 28.1 15.2 VqEY069A77
CK18Y010 KC2018 12 23.25161 14 17 25.51 -24 32 40.8 16.2 GVEY069C95
CK18Y010 KC2018 12 23.25410 14 17 25.25 -24 32 39.2 15.9 GVEY069C95
CK18Y010 9C2018 12 23.27230 14 17 25.41 -24 32 36.9 UEY069G40
CK18Y010 9C2018 12 23.28481 14 17 25.26 -24 32 34.7 15.7 NUEY069G40
CK18Y010 C2018 12 23.32424 14 17 25.08 -24 32 23.0 15.4 RqEY069W96
CK18Y010 C2018 12 23.36863 14 17 24.74 -24 32 14.7 15.5 RqEY069W96
CK18Y010 WC2018 12 23.72028 14 17 21.87 -24 31 11.3 15.7 NqEY069Q62
CK18Y010 WC2018 12 23.72184 14 17 21.85 -24 31 11.0 15.9 NqEY069Q62
CK18Y010 ?C2018 12 23.74210 14 17 21.70 -24 31 08.2 15.9 NUEY069Q62
CK18Y010 ?C2018 12 23.74391 14 17 21.66 -24 31 07.6 16.0 NUEY069Q62
CK18Y010 ?C2018 12 23.74562 14 17 21.67 -24 31 07.1 16.1 NUEY069Q62
CK18Y010 C2018 12 23.84440 14 17 20.73 -24 30 53.7 12.3 TmEY069349
CK18Y010 C2018 12 23.84985 14 17 20.64 -24 30 53.1 mEY069349
CK18Y010 KC2018 12 24.23407 14 17 17.54 -24 29 42.7 15.0 VqEY069A77
CK18Y010 KC2018 12 24.23764 14 17 17.26 -24 29 42.4 14.9 VqEY069A77
CK18Y010 KC2018 12 24.24305314 17 16.88 -24 29 41.2 16.0 GVEY069C95
CK18Y010 KC2018 12 24.24356 14 17 17.17 -24 29 41.8 15.0 VqEY069A77
CK18Y010 KC2018 12 24.25619714 17 16.72 -24 29 36.5 16.0 GVEY069C95
CK18Y010 KC2018 12 24.28336 14 17 16.87 -24 29 27.2 15.6 VqEY069I47
CK18Y010 KC2018 12 24.29577 14 17 16.77 -24 29 25.0 15.7 VqEY069I47
CK18Y010 KC2018 12 24.30571 14 17 16.64 -24 29 23.3 15.6 VqEY069I47
CK18Y010 WC2018 12 24.71102 14 17 12.71 -24 28 07.5 14.3 NqEY069Q62
CK18Y010 WC2018 12 24.71784 14 17 12.61 -24 28 06.1 14.3 NqEY069Q62
CK18Y010 C2018 12 24.82958 14 17 11.50 -24 27 49.4 cEY069D74
CK18Y010 C2018 12 24.84354 14 17 11.35 -24 27 47.9 cEY069D74
CK18Y010 C2018 12 24.85727 14 17 11.17 -24 27 45.1 cEY069D74
CK18Y010 C2018 12 24.86425 14 17 11.00 -24 27 44.7 13.5 TcEY069D74
CK18Y010 3C2018 12 25.32836 14 17 06.26 -24 26 08.0 16.1 NUEY069W88
CK18Y010 3C2018 12 25.33512 14 17 06.13 -24 26 06.5 16.0 NUEY069W88
CK18Y010 3C2018 12 25.34204 14 17 06.08 -24 26 05.5 16.0 NUEY069W88
CK18Y010 WC2018 12 25.71528 14 17 01.78 -24 24 51.0 14.1 NqEY069Q62
CK18Y010 WC2018 12 25.71840 14 17 01.73 -24 24 50.5 14.2 NqEY069Q62
Observer details:
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
403 Kani. Observer Y. Mizuno. 0.32-m f/5.4 reflector + CCD.
970 Chelmsford. Observer N. James. 0.07-m f/4.8 refractor + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer F. Kugel. 0.06-m f/5.8 refractor + CCD, 0.28-m f/2.2
Schmidt-Cassegrain + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
D74 Nakagawa. Observers H. Hori, K. Imamura. Measurer H. Hori. 1.13-m
f/9.7 reflector + CCD.
D95 Kurihara. Observer T. Takahashi. 0.25-m f/4.2 reflector + CCD.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.43-m
f/6.8 Corrected Dall-Kirkham + CCD, 0.5-m f/6.8 Corrected Dall-Kirkham +
CCD.
H06 iTelescope Observatory, Mayhill. Observer R. Fidrich. Measurer
K. Sarneczky. 0.10-m f/5.0 reflector + CCD.
I47 Pierre Auger Observatory, Malargue. Observer M. Masek. 0.3-m f/6.8
reflector + CCD.
J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/2.9
astrograph + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers Y.-P. Chan, H.-J. Tan,
R. Ligustri, G. van Buitenen, N. James, B. Lutkenhoner. Measurers
H.-J. Tan, R. Ligustri, G. van Buitenen, N. James, B. Lutkenhoner. 0.5-m
f/4.4 reflector + CCD, , 0.50-m f/6.8 reflector + CCD + f/4.5 focal
reducer.
W88 Slooh.com Chile Observatory, La Dehesa. Observers T. Zalezsak,
B. Lutkenhoner. Measurers K. Sarneczky, B. Lutkenhoner. 0.36-m
Schmidt-Cassegrain + CCD, 0.35-m f/11 Schmidt-Cassegrain + CCD.
W96 CAO, San Pedro de Atacama (since 2013). Observers A. Maury, J.-B. de
Vanssay, T. Noel, J.-F. Soulier, J.-G. Bosch. Measurers T. Noel,
J.-F. Soulier, J.-G. Bosch. 0.4-m f/5 Ritchey-Chretien + CCD.
Orbital elements:
C/2018 Y1 (Iwamoto)
T 2019 Feb. 6.59314 TT MPCW
q 1.2804722 (2000.0) P Q
Peri. 357.94768 -0.85838632 +0.47988560
Node 147.20883 +0.47531291 +0.61098901
e 1.0 Incl. 160.43789 +0.19300403 +0.62960483
>From 97 observations 2018 Dec. 18-25.
Ephemeris:
C/2018 Y1 (Iwamoto)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2018 11 26 14 14 28.0 -25 20 05 2.5037 1.6722 25.9 14.9 14.2
...
2018 12 11 14 17 23.4 -24 59 47 2.1709 1.5429 39.4 23.9 13.6
...
2018 12 19 14 17 44.9 -24 43 52 1.9610 1.4810 47.2 29.2 13.2
...
2018 12 25 14 17 09.5 -24 27 14 1.7899 1.4387 53.4 33.3 12.8
2018 12 26 14 16 58.1 -24 23 55 1.7603 1.4321 54.4 33.9 12.8
2018 12 27 14 16 44.9 -24 20 26 1.7304 1.4255 55.5 34.6 12.7
...
2019 01 02 14 14 41.5 -23 54 45 1.5452 1.3887 62.0 38.7 12.4
...
2019 01 10 14 09 11.8 -23 01 40 1.2842 1.3469 71.5 43.8 11.8
...
2019 01 25 13 40 03.6 -18 50 24 0.7691 1.2947 94.4 49.3 10.6
Gareth V. Williams (C) Copyright 2018 MPC M.P.E.C. 2018-Y69
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