MPEC 2017-F207: COMET C/2017 E2 (XuYi)
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M.P.E.C. 2017-F207 Issued 2017 Mar. 30, 14:55 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 E2 (XuYi)
Observations:
CK17E020 5C2017 03 03.50773 13 30 26.34 +07 07 13.5 vEF207U69
CK17E020 5C2017 03 03.51126 13 30 26.12 +07 07 12.9 19.6 TvEF207U69
CK17E020 C2017 03 07.77084 13 25 10.68 +06 59 46.1 19.6 TqEF207D29
CK17E020 C2017 03 07.79054 13 25 09.18 +06 59 44.3 19.4 TqEF207D29
CK17E020 C2017 03 07.81023 13 25 07.63 +06 59 42.5 19.3 TqEF207D29
CK17E020 KC2017 03 09.35253 13 23 09.43 +06 56 58.5 19.9 NqEF207W96
CK17E020 KC2017 03 09.36871 13 23 08.15 +06 56 57.0 19.7 NqEF207W96
CK17E020 KC2017 03 11.10339 13 20 53.10 +06 53 41.7 19.0 NqEF207A77
CK17E020 KC2017 03 11.14729 13 20 49.59 +06 53 36.3 19.2 NqEF207A77
CK17E020 KC2017 03 16.85941 13 13 11.08 +06 42 25.0 19.1 TqEF207215
CK17E020 KC2017 03 16.86197 13 13 10.89 +06 42 25.4 19.3 TqEF207215
CK17E020 KC2017 03 16.86454 13 13 10.66 +06 42 25.8 19.2 TqEF207215
CK17E020 C2017 03 19.20459213 09 58.17 +06 37 29.4 19.2 NUEF207H01
CK17E020 C2017 03 19.21139013 09 57.60 +06 37 28.5 19.3 NUEF207H01
CK17E020 C2017 03 19.21872113 09 56.99 +06 37 27.6 19.3 NUEF207H01
CK17E020 C2017 03 19.31212613 09 49.19 +06 37 15.5 19.2 NUEF207H01
CK17E020 C2017 03 19.40665413 09 41.28 +06 37 03.1 19.2 NUEF207H01
CK17E020 C2017 03 19.45013413 09 37.63 +06 36 57.5 19.2 NUEF207H01
CK17E020 C2017 03 20.38793 13 08 20.095+06 34 54.80 20.0 TLEF207F51
CK17E020 C2017 03 20.40209 13 08 18.906+06 34 52.77 20.1 TLEF207F51
CK17E020 C2017 03 20.41624 13 08 17.716+06 34 50.95 20.4 TLEF207F51
CK17E020 C2017 03 20.43042 13 08 16.528+06 34 49.09 20.4 TLEF207F51
CK17E020 C2017 03 21.63789 13 06 35.97 +06 32 06.3 19.4 ToEF207300
CK17E020 C2017 03 21.64159 13 06 35.65 +06 32 05.1 19.4 ToEF207300
CK17E020 C2017 03 21.64899 13 06 35.07 +06 32 03.9 19.5 ToEF207300
CK17E020 C2017 03 21.65269 13 06 34.77 +06 32 04.1 19.2 ToEF207300
CK17E020 C2017 03 21.67921 13 06 32.45 +06 32 00.8 19.2 ToEF207300
CK17E020 C2017 03 21.68613 13 06 31.96 +06 31 59.7 19.0 ToEF207300
CK17E020 C2017 03 21.69307 13 06 31.37 +06 31 59.2 19.0 ToEF207300
CK17E020 C2017 03 21.69769 13 06 31.00 +06 31 57.7 19.2 ToEF207300
CK17E020 @C2017 03 22.43633 13 05 29.32 +06 30 15.9 19.4 NUEF207695
CK17E020 @C2017 03 22.44007 13 05 29.01 +06 30 15.4 19.4 NUEF207695
CK17E020 @C2017 03 22.44418 13 05 28.66 +06 30 14.8 19.4 NUEF207695
CK17E020 @C2017 03 22.44814 13 05 28.33 +06 30 14.4 19.4 NUEF207695
CK17E020 @C2017 03 22.45189 13 05 28.01 +06 30 13.8 19.3 NUEF207695
CK17E020 C2017 03 24.33761 13 02 50.41 +06 25 48.6 20.0 TqEF207703
CK17E020 C2017 03 24.34578 13 02 49.77 +06 25 46.5 19.1 TqEF207703
CK17E020 C2017 03 24.35108 13 02 49.32 +06 25 45.0 19.8 TqEF207703
CK17E020 C2017 03 24.35638 13 02 48.93 +06 25 44.7 19.3 TqEF207703
CK17E020 @C2017 03 24.40369 13 02 44.90 +06 25 36.9 19.5 NUEF207695
CK17E020 @C2017 03 24.40740 13 02 44.59 +06 25 36.4 19.5 NUEF207695
CK17E020 @C2017 03 24.41110 13 02 44.27 +06 25 35.9 19.6 NUEF207695
CK17E020 @C2017 03 24.41480 13 02 43.96 +06 25 35.4 19.5 NUEF207695
CK17E020 @C2017 03 24.41850 13 02 43.64 +06 25 34.6 19.4 NUEF207695
CK17E020 @C2017 03 24.42226 13 02 43.33 +06 25 34.3 19.4 NUEF207695
CK17E020 @C2017 03 24.42596 13 02 43.03 +06 25 33.7 19.4 NUEF207695
CK17E020 @C2017 03 24.42966 13 02 42.70 +06 25 33.3 19.4 NUEF207695
CK17E020 @C2017 03 24.43337 13 02 42.39 +06 25 32.6 19.5 NUEF207695
CK17E020 @C2017 03 24.43711 13 02 42.11 +06 25 31.7 19.5 NUEF207695
CK17E020 KC2017 03 24.96559 13 01 57.89 +06 24 15.2 19.4 NqEF207157
CK17E020 KC2017 03 24.97821 13 01 56.85 +06 24 13.1 19.2 NqEF207157
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.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Urakawa, T. Nimura. 1.0-m
f/3.0 reflector + CCD.
695 Kitt Peak. Observers M.-T. Hui, A. Graykowski. Measurer M.-T. Hui.
0.9-m WIYN reflector + CCD.
703 Catalina Sky Survey. Observer D. C. Fuls. Measurers 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. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observer J.-F. Soulier. 0.20-m f/4
Newtonian reflector + CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao, B. Li,
G. Zhaori, R. Q. Hong, L. F. Hu. Measurers H. B. Zhao, B. Li. H. Lu,
G. Zhaori. 1.04-m f/1.8 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
T. Lowe, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + 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.
U69 iTelescope SRO Observatory, Auberry. Observer H. Sato. 0.61-m f/6.5
astrograph + CCD.
W96 CAO, San Pedro de Atacama (since 2013). Observers A. Maury, J.-B. de
Vanssay, J.-F. Soulier. Measurer J.-F. Soulier. 0.4-m f/8
Ritchey-Chretien + CCD.
Orbital elements:
C/2017 E2 (XuYi)
Epoch 2016 May 21.0 TT = JDT 2457529.5
T 2016 May 11.64169 TT MPCW
q 2.3711974 (2000.0) P Q
n 0.00970480 Peri. 89.87394 -0.03420170 -0.97995580
a 21.7676624 Node 11.51337 -0.22695661 -0.18362601
e 0.8910679 Incl. 79.50463 +0.97330414 -0.07725365
P 102
From 96 observations 2017 Mar. 1-24, mean residual 0".4.
C/2017 E2 (XuYi)
Epoch 2119 May 2.0 TT = JDT 2495129.5
T 2119 May 10.98702 TT MPCW
q 2.3920366 (2000.0) P Q
n 0.00862778 Peri. 88.85596 -0.01832323 -0.98062462
a 23.5434479 Node 11.46010 -0.21527233 -0.18662568
e 0.8983991 Incl. 79.00361 +0.97638214 -0.05955000
P 114
From 96 observations 2017 Mar. 1-24, mean residual 0".4.
C/2017 E2 (XuYi)
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5
T 2016 May 11.80554 TT MPCW
q 2.3717014 (2000.0) P Q
n 0.00958192 Peri. 89.91765 -0.03494654 -0.97993219
a 21.9533546 Node 11.51257 -0.22709761 -0.18344029
e 0.8919663 Incl. 79.50471 +0.97324479 -0.07799075
P 103
From 96 observations 2017 Mar. 1-24, mean residual 0".4.
Ephemeris:
C/2017 E2 (XuYi)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 02 28 13 34 32.8 +07 13 14 2.9642 3.7564 137.7 10.2 20.6
...
2017 03 15 13 15 42.3 +06 46 14 2.9356 3.8628 155.6 6.1 20.7
...
2017 03 23 13 04 42.4 +06 28 59 2.9517 3.9199 164.1 4.0 20.8
...
2017 03 29 12 56 20.6 +06 13 57 2.9796 3.9629 168.5 2.9 20.9
2017 03 30 12 54 57.4 +06 11 15 2.9855 3.9700 168.8 2.8 20.9
2017 03 31 12 53 34.3 +06 08 29 2.9919 3.9772 169.1 2.7 20.9
...
2017 04 06 12 45 23.8 +05 50 36 3.0381 4.0203 167.3 3.1 21.0
...
2017 04 14 12 35 02.9 +05 23 13 3.1205 4.0778 160.1 4.8 21.1
...
2017 04 29 12 18 18.1 +04 21 31 3.3341 4.1860 143.4 8.2 21.3
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-F207
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