MPEC 2017-K90 : COMET C/2017 K2 (PANSTARRS)
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M.P.E.C. 2017-K90 Issued 2017 May 30, 14:12 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 K2 (PANSTARRS)
Observations:
CK17K020 9C2017 05 24.15020 17 51 01.88 +64 33 54.5 19.2 TqEK090G40
CK17K020 9C2017 05 24.18833 17 51 00.68 +64 33 57.2 19.1 TqEK090G40
CK17K020 _C2017 05 24.55208117 50 49.679+64 34 23.45 21.2 TUEK090568
CK17K020 _C2017 05 24.55406717 50 49.614+64 34 23.50 21.2 TUEK090568
CK17K020 _C2017 05 24.55598317 50 49.552+64 34 23.70 21.3 TUEK090568
CK17K020 KC2017 05 24.87600 17 50 39.80 +64 34 46.5 19.7 ToEK090461
CK17K020 KC2017 05 24.88202 17 50 39.68 +64 34 47.2 19.8 ToEK090461
CK17K020 KC2017 05 24.90072 17 50 39.01 +64 34 48.4 19.9 ToEK090461
CK17K020 KC2017 05 25.92272 17 50 07.67 +64 35 57.4 20.1 ToEK090461
CK17K020 KC2017 05 25.94697 17 50 06.90 +64 35 59.3 19.9 ToEK090461
CK17K020 KC2017 05 25.95681 17 50 06.63 +64 36 00.1 19.9 ToEK090461
CK17K020 KC2017 05 26.01911 17 50 04.65 +64 36 03.9 19.3 TUEK090J95
CK17K020 KC2017 05 26.03215 17 50 04.26 +64 36 04.7 19.5 TUEK090J95
CK17K020 KC2017 05 26.98094 17 49 34.80 +64 37 05.4 UEK090J95
CK17K020 KC2017 05 26.98275 17 49 34.79 +64 37 06.1 19.8 ToEK090461
CK17K020 KC2017 05 26.98499 17 49 34.70 +64 37 05.0 UEK090J95
CK17K020 KC2017 05 26.98904 17 49 34.53 +64 37 05.4 19.2 TUEK090J95
CK17K020 KC2017 05 27.01596 17 49 33.71 +64 37 07.7 19.7 ToEK090461
CK17K020 KC2017 05 27.01692 17 49 33.78 +64 37 07.1 19.7 TqEK090215
CK17K020 KC2017 05 27.01949 17 49 33.68 +64 37 07.4 19.8 TqEK090215
CK17K020 KC2017 05 27.02206 17 49 33.55 +64 37 07.7 19.8 TqEK090215
CK17K020 9C2017 05 27.03354 17 49 33.22 +64 37 08.6 18.8 TqEK090G40
CK17K020 9C2017 05 27.07900 17 49 31.74 +64 37 11.4 18.9 TqEK090G40
CK17K020 9C2017 05 27.14139 17 49 29.84 +64 37 15.2 18.9 TqEK090G40
CK17K020 KC2017 05 27.92074 17 49 05.47 +64 38 01.3 19.4 TUEK090J95
CK17K020 KC2017 05 27.94736 17 49 04.64 +64 38 03.8 19.6 ToEK090461
CK17K020 KC2017 05 27.98068 17 49 03.60 +64 38 06.2 19.9 ToEK090461
CK17K020 KC2017 05 27.99772 17 49 03.08 +64 38 06.5 19.3 NqEK090157
CK17K020 KC2017 05 28.00720 17 49 02.75 +64 38 07.5 19.3 NqEK090157
CK17K020 KC2017 05 28.01666 17 49 02.43 +64 38 08.0 19.2 NqEK090157
CK17K020 KC2017 05 28.01935 17 49 02.32 +64 38 07.7 19.3 TUEK090J95
CK17K020 _C2017 05 28.42348717 48 49.689+64 38 31.08 19.7 TUEK090568
CK17K020 _C2017 05 28.42559417 48 49.609+64 38 31.15 19.3 TUEK090568
CK17K020 KC2017 05 29.95777 17 48 00.94 +64 39 53.4 19.6 ToEK090461
CK17K020 KC2017 05 29.96788 17 48 00.66 +64 39 54.0 20.0 ToEK090461
CK17K020 KC2017 05 30.00851 17 47 59.28 +64 39 56.3 19.5 ToEK090461
Observer details:
157 Frasso Sabino. Observers R. Haver, R. Gorelli. Measurer R. Haver.
0.37-m f/6.70 Cassegrain + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observers K. Sarneczky,
A. Sodor, A. Ordasi, B. Csak, B. Ignacz. Measurer K. Sarneczky. 0.60-m
Schmidt + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, D. Woodworth, K. J. Meech,
J. Kleyna, C. Wipper. Measurers M. Micheli, R. J. Wainscoat, J. Kleyna.
3.6-m Canada-France-Hawaii Telescope + CCD.
G40 Slooh.com Canary Islands Observatory. Observers B. Lutkenhoner,
J. L. Tuten. Measurer B. Lutkenhoner. 0.43-m f/6.8 Corrected
Dall-Kirkham + CCD, 0.5-m f/6.8 Corrected Dall-Kirkham + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2017 K2 (PANSTARRS)
Epoch 2023 Oct. 23.0 TT = JDT 2460240.5
T 2023 Oct. 8.10626 TT MPCW
q 1.6906489 (2000.0) P Q
n 0.00787509 Peri. 244.29696 -0.00057267 +0.08724510
a 25.0206679 Node 85.47691 -0.04095249 +0.99534912
e 0.9324299 Incl. 87.85438 -0.99916093 -0.04084626
P 125
From 50 observations 2017 May 21-30, mean residual 0".3.
C/2017 K2 (PANSTARRS)
Epoch 2130 Sept. 12.0 TT = JDT 2499280.5
T 2130 Sept. 18.08755 TT MPCW
q 1.6877315 (2000.0) P Q
n 0.00912066 Peri. 243.93612 -0.01229688 +0.08147578
a 22.6874316 Node 85.49230 -0.04626318 +0.99556114
e 0.9256094 Incl. 88.57727 -0.99885360 -0.04711373
P 108
From 50 observations 2017 May 21-30, mean residual 0".3.
C/2017 K2 (PANSTARRS)
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2023 Oct. 10.56162 TT MPCW
q 1.7067929 (2000.0) P Q
n 0.00791325 Peri. 244.11043 -0.00019165 +0.08742275
a 24.9401775 Node 85.48429 -0.04424603 +0.99519498
e 0.9315645 Incl. 87.81547 -0.99902065 -0.04409337
P 125
From 50 observations 2017 May 21-30, mean residual 0".3.
Ephemeris:
C/2017 K2 (PANSTARRS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 04 30 18 01 22.0 +63 48 31 16.2467 16.3066 91.6 3.5 19.7
...
2017 05 15 17 55 25.1 +64 20 19 16.1699 16.2382 92.1 3.6 19.6
...
2017 05 23 17 51 36.6 +64 32 28 16.1312 16.2016 92.2 3.6 19.6
...
2017 05 29 17 48 31.4 +64 39 03 16.1033 16.1741 92.2 3.6 19.6
2017 05 30 17 47 59.6 +64 39 55 16.0987 16.1696 92.2 3.6 19.6
2017 05 31 17 47 27.6 +64 40 44 16.0942 16.1650 92.2 3.6 19.6
...
2017 06 06 17 44 11.3 +64 44 11 16.0676 16.1374 92.1 3.6 19.6
...
2017 06 14 17 39 42.0 +64 45 01 16.0336 16.1007 92.0 3.6 19.6
...
2017 06 29 17 31 16.5 +64 34 35 15.9744 16.0317 91.4 3.6 19.6
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-K90
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