[Iaude] MPEC H02: COMET C/2017 E1 (Borisov)
mpec at si.edu
mpec at si.edu
Sat Apr 15 22:49:36 EDT 2017
M.P.E.C. 2017-H02 Issued 2017 Apr. 16, 02:44 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 http://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2017 E1 (Borisov)
Observations:
CK17E010 1C2017 03 06.78671 19 36 21.28 -10 02 47.7 vEH002Q62
CK17E010 1C2017 03 06.78822 19 36 21.78 -10 02 46.8 vEH002Q62
CK17E010 1C2017 03 06.78972 19 36 22.27 -10 02 45.9 13.1 TvEH002Q62
CK17E010 @C2017 03 26.51110 21 26 21.54 -06 48 03.4 16.1 NUEH002695
CK17E010 @C2017 03 26.51340 21 26 22.26 -06 48 02.5 16.0 NUEH002695
CK17E010 @C2017 03 26.51572 21 26 23.07 -06 48 00.1 16.3 NUEH002695
CK17E010 @C2017 03 26.51804 21 26 23.79 -06 47 58.4 16.1 NUEH002695
CK17E010 @C2017 03 26.52036 21 26 24.56 -06 47 57.3 16.0 NUEH002695
CK17E010 @C2017 03 26.52266 21 26 25.32 -06 47 55.3 16.2 NUEH002695
CK17E010 @C2017 03 26.52497 21 26 26.09 -06 47 53.2 16.0 NUEH002695
CK17E010 KC2017 03 27.14855 21 29 51.26 -06 40 01.1 15.3 NqEH002A71
CK17E010 KC2017 03 27.15053 21 29 51.83 -06 40 00.3 15.7 NqEH002A71
CK17E010 KC2017 03 27.15251 21 29 52.51 -06 39 57.1 14.5 NvEH002A71
CK17E010 C2017 03 27.81433 21 33 30.12 -06 31 30.6 mEH002349
CK17E010 C2017 03 27.81815 21 33 31.32 -06 31 27.5 mEH002349
CK17E010 C2017 03 27.82220 21 33 32.68 -06 31 25.2 12.4 TmEH002349
CK17E010 KC2017 04 01.83461 22 00 34.91 -05 25 10.3 uEH002367
CK17E010 KC2017 04 01.83582 22 00 35.38 -05 25 09.1 12.4 TuEH002367
CK17E010 C2017 04 04.80140 22 16 12.29 -04 44 33.0 qEH002D95
CK17E010 C2017 04 04.80178 22 16 12.40 -04 44 32.8 qEH002D95
CK17E010 C2017 04 04.80332 22 16 12.96 -04 44 31.9 13.0 TqEH002D95
CK17E010 C2017 04 04.80640 22 16 13.84 -04 44 28.6 mEH002349
CK17E010 C2017 04 04.81150 22 16 15.42 -04 44 24.6 12.2 TmEH002349
CK17E010 C2017 04 05.81002 22 21 26.55 -04 30 36.6 12.3 TmEH002349
CK17E010 C2017 04 05.81296 22 21 27.48 -04 30 33.6 mEH002349
CK17E010 C2017 04 07.40385 22 29 38.55 -04 08 19.9 15.6 NUEH002W97
CK17E010 C2017 04 07.40854 22 29 40.02 -04 08 15.7 15.7 NUEH002W97
CK17E010 C2017 04 07.41449 22 29 41.81 -04 08 12.8 15.6 NUEH002W97
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.
695 Kitt Peak. Observers M.-T. Hui, A. Graykowski. Measurer M.-T. Hui.
0.9-m WIYN reflector + CCD.
A71 Stixendorf. Observers M. Jaeger, W. Vollmann, E. Prosperi, S. Prosperi.
Measurer W. Vollmann. 0.3-m f/4 reflector + CCD.
D95 Kurihara. Observer T. Takahashi. 0.25-m f/4.2 reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.40-m f/3.5
astrograph + CCD.
W97 Atacama Desert Observatory, San Pedro de Atacama. Observers A. Maury,
B. Sandness, T. Noel. Measurer T. Noel. 0.38-m f/4.6 Newtonian reflector
+ CCD.
Orbital elements:
C/2017 E1 (Borisov)
Epoch 2017 Mar. 28.0 TT = JDT 2457840.5
T 2017 Apr. 10.13868 TT MPCW
q 0.9006612 (2000.0) P Q
z -0.0028383 Peri. 152.47289 +0.43485688 +0.88755018
+/-0.0003156 Node 142.73327 -0.86548978 +0.45859931
e 1.0025564 Incl. 14.55408 -0.24865023 -0.04406072
>From 162 observations 2017 Mar. 1-Apr. 7, mean residual 0".7.
C/2017 E1 (Borisov)
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5
T 2017 Apr. 10.13840 TT MPCW
q 0.9006634 (2000.0) P Q
z -0.0028439 Peri. 152.47217 +0.43485078 +0.88755339
+/-0.0003156 Node 142.73359 -0.86549326 +0.45859302
e 1.0025614 Incl. 14.55406 -0.24864879 -0.04406168
>From 162 observations 2017 Mar. 1-Apr. 7, mean residual 0".7.
Ephemeris:
C/2017 E1 (Borisov)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 03 17 20 33 20.2 -08 37 02 1.3229 0.9999 48.6 48.3 14.6
...
2017 04 01 21 56 07.5 -05 36 22 1.3572 0.9158 42.4 47.4 14.3
...
2017 04 09 22 37 44.5 -03 46 04 1.4041 0.9009 39.7 45.3 14.3
...
2017 04 15 23 07 16.5 -02 22 03 1.4488 0.9050 38.1 43.2 14.4
2017 04 16 23 12 02.7 -02 08 08 1.4569 0.9069 37.9 42.8 14.4
2017 04 17 23 16 46.2 -01 54 16 1.4651 0.9092 37.7 42.5 14.4
...
2017 04 23 23 44 09.7 -00 32 35 1.5171 0.9302 36.7 40.2 14.6
...
2017 05 01 00 18 05.7 +01 10 10 1.5914 0.9759 36.0 37.3 14.9
...
2017 05 16 01 13 58.6 +03 55 06 1.7347 1.1040 36.7 33.2 15.6
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-H02
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