[Iaude] MPEC S242: 2017 SH20 [a=1.04,e=0.23,i=41.7,H=23.9]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Sep 30 14:33:17 EDT 2017
M.P.E.C. 2017-S242 Issued 2017 Sept. 30, 18:29 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
2017 SH20
Observations:
K17S20H* C2017 09 28.40401 00 13 44.31 -06 08 54.6 19.1 oLES242T08
K17S20H C2017 09 28.41423 00 13 28.03 -06 05 27.2 19.1 oLES242T08
K17S20H C2017 09 28.41905 00 13 20.57 -06 03 50.3 19.1 oLES242T08
K17S20H C2017 09 28.42501 00 13 11.07 -06 01 48.8 19.2 oLES242T08
K17S20H C2017 09 29.25382 23 52 53.32 -01 30 31.3 19.0 RoES242926
K17S20H C2017 09 29.25532 23 52 51.13 -01 30 02.9 19.1 RoES242926
K17S20H C2017 09 29.25684 23 52 48.93 -01 29 34.2 19.1 RoES242926
K17S20H KC2017 09 29.90270 23 38 17.14 +01 45 48.6 19.2 oES242K88
K17S20H KC2017 09 29.90568 23 38 13.17 +01 46 40.8 19.1 oES242K88
K17S20H KC2017 09 30.03499 23 35 24.21 +02 24 01.8 19.7 UES242104
K17S20H KC2017 09 30.04158 23 35 15.68 +02 25 55.1 UES242104
K17S20H KC2017 09 30.04818 23 35 07.12 +02 27 47.9 19.4 UES242104
K17S20H KC2017 09 30.10215123 34 05.01 +02 43 14.7 18.9 VuES242H21
K17S20H KC2017 09 30.10518023 34 01.09 +02 44 06.2 19.1 VuES242H21
K17S20H KC2017 09 30.10947123 33 55.55 +02 45 18.7 19.1 VuES242H21
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, A. Heinze, H. Weiland,
B. Stalder, J. Tonry. Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m
f/2.0 Schmidt + CCD.
Orbital elements:
2017 SH20 Earth MOID = 0.0783 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 64.27246 (2000.0) P Q
n 0.92925205 Peri. 246.19897 -0.33661156 +0.93950237
a 1.0400328 Node 5.47165 -0.41670902 -0.08818275
e 0.2322574 Incl. 41.72763 -0.84442066 -0.33099713
P 1.06 H 23.9 G 0.15 U 8
Residuals in seconds of arc
170928 T08 0.0 1.0+ 170929 926 0.1- 0.1+ 170930 104 0.2+ 0.2+
170928 T08 1.3- 0.4+ 170929 926 0.3- 0.1+ 170930 104 0.0 0.1+
170928 T08 1.2+ 0.8- 170929 K88 0.0 0.5- 170930 H21 0.3+ 0.4+
170928 T08 0.2+ 0.5- 170929 K88 0.4- 0.3- 170930 H21 0.0 0.4+
170929 926 0.3+ 0.0 170930 104 0.1+ 0.3- 170930 H21 0.1- 0.0
Ephemeris:
2017 SH20 a,e,i = 1.04, 0.23, 42 q = 0.7985
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 31 06 38 58.4 -41 02 14 0.3287 0.9706 73.8 87.2 24.5
...
2017 09 15 05 20 09.8 -41 36 04 0.1650 1.0307 94.1 76.7 22.7
...
2017 09 23 02 52 05.9 -32 58 45 0.09119 1.0618 127.8 48.3 20.6
...
2017 09 29 23 58 54.8 -02 50 48 0.08329 1.0844 172.4 7.0 19.2
2017 09 30 23 36 12.8 +02 14 53 0.08842 1.0881 167.8 11.2 19.5
2017 10 01 23 16 14.1 +06 41 52 0.09497 1.0917 161.6 16.8 19.9
...
2017 10 07 22 00 34.6 +21 57 59 0.1516 1.1131 135.8 38.8 21.6
...
2017 10 15 21 20 04.3 +28 43 07 0.2441 1.1401 120.3 49.0 23.0
...
2017 10 30 21 00 21.3 +32 40 12 0.4246 1.1852 106.4 53.5 24.4
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S242
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