MPEC 2017-F136: COMET C/2017 C1 (NEOWISE)
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M.P.E.C. 2017-F136 Issued 2017 Mar. 26, 19:51 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/2017 C1 (NEOWISE)
Observations:
CK17C010 |C2017 03 05.40424 13 57 59.44 +68 52 17.4 vEF136H06
CK17C010 |C2017 03 05.40648 13 57 57.75 +68 52 16.1 vEF136H06
CK17C010 |C2017 03 05.40872 13 57 56.05 +68 52 14.7 19.5 TvEF136H06
CK17C010 |C2017 03 25.11940 11 01 16.22 +55 05 17.0 vEF136H06
CK17C010 |C2017 03 25.12166 11 01 15.60 +55 05 08.4 vEF136H06
CK17C010 |C2017 03 25.12392 11 01 14.89 +55 04 59.9 20.3 TvEF136H06
Observer details:
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Orbital elements:
C/2017 C1 (NEOWISE)
Epoch 2017 Jan. 7.0 TT = JDT 2457760.5
T 2017 Jan. 18.88728 TT MPCW
q 1.5012048 (2000.0) P Q
n 0.01070605 Peri. 110.16291 -0.32732344 -0.94405507
a 20.3883985 Node 357.47000 +0.02719781 +0.03315710
e 0.9263697 Incl. 65.73163 +0.94452086 -0.32811679
P 92.06
From 34 observations 2017 Feb. 6-Mar. 25, mean residual 0".5.
C/2017 C1 (NEOWISE)
Epoch 2107 June 25.0 TT = JDT 2490800.5
T 2107 June 29.02581 TT MPCW
q 1.5067347 (2000.0) P Q
n 0.01030986 Peri. 109.60659 -0.31702005 -0.94746824
a 20.9074373 Node 357.32726 +0.03042726 +0.03457796
e 0.9279331 Incl. 65.55953 +0.94793063 -0.31797532
P 95.60
From 34 observations 2017 Feb. 6-Mar. 25, mean residual 0".5.
C/2017 C1 (NEOWISE)
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5
T 2017 Jan. 18.88887 TT MPCW
q 1.5012064 (2000.0) P Q
n 0.01070379 Peri. 110.16400 -0.32734260 -0.94404856
a 20.3912674 Node 357.47019 +0.02719887 +0.03315319
e 0.9263799 Incl. 65.73154 +0.94451418 -0.32813593
P 92.08
From 34 observations 2017 Feb. 6-Mar. 25, mean residual 0".5.
Ephemeris:
C/2017 C1 (NEOWISE)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 02 24 15 42 29.9 +67 55 46 1.0238 1.5778 103.2 37.6 20.0
...
2017 03 11 12 51 36.6 +66 56 01 0.9616 1.6499 115.1 33.0 20.1
...
2017 03 19 11 37 53.2 +61 03 32 0.9676 1.6961 119.5 30.7 20.2
...
2017 03 25 11 01 50.5 +55 12 40 0.9939 1.7338 121.1 29.5 20.4
2017 03 26 10 57 08.9 +54 10 47 1.0002 1.7403 121.2 29.4 20.4
2017 03 27 10 52 46.5 +53 08 26 1.0069 1.7469 121.2 29.2 20.4
...
2017 04 02 10 32 11.4 +46 52 26 1.0585 1.7878 120.6 28.8 20.6
...
2017 04 10 10 15 41.6 +38 55 12 1.1540 1.8454 117.6 28.8 21.0
...
2017 04 25 10 03 26.7 +26 29 45 1.3980 1.9615 108.3 29.1 21.7
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-F136
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