[Iaude] MPEC S240: 2017 SF20 [a=1.78,e=0.49,i=3.1,H=28.5]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Sep 30 14:25:17 EDT 2017
M.P.E.C. 2017-S240 Issued 2017 Sept. 30, 18:22 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 SF20
Observations:
K17S20F* C2017 09 28.36701 00 42 50.25 -05 38 13.6 19.4 VqES240G96
K17S20F C2017 09 28.37232 00 43 03.42 -05 36 55.4 19.8 VqES240G96
K17S20F C2017 09 28.37762 00 43 16.37 -05 35 39.0 19.7 VqES240G96
K17S20F C2017 09 28.43729 00 45 40.27 -05 21 33.4 19.6 VqES240G96
K17S20F C2017 09 28.43775 00 45 41.39 -05 21 26.7 19.5 VqES240G96
K17S20F C2017 09 28.43822 00 45 42.47 -05 21 20.6 19.6 VqES240G96
K17S20F C2017 09 28.43867 00 45 43.51 -05 21 14.3 19.7 VqES240G96
K17S20F C2017 09 28.45880 00 46 30.92 -05 16 39.1 qES240I52
K17S20F C2017 09 28.45922 00 46 31.92 -05 16 32.6 qES240I52
K17S20F C2017 09 28.45964 00 46 32.80 -05 16 27.9 20.0 VqES240I52
K17S20F KC2017 09 29.23108301 10 36.04 -03 10 13.4 20.7 VuES240H21
K17S20F KC2017 09 29.23503001 10 40.61 -03 09 44.8 20.3 VuES240H21
K17S20F KC2017 09 29.24027301 10 46.65 -03 09 06.7 20.3 VuES240H21
K17S20F C2017 09 30.27328 01 27 25.73 -01 36 12.6 qES240G96
K17S20F C2017 09 30.27405 01 27 26.15 -01 36 08.8 qES240G96
K17S20F C2017 09 30.27480 01 27 26.54 -01 36 06.5 20.6 VqES240G96
K17S20F C2017 09 30.27556 01 27 26.96 -01 36 03.0 20.9 VqES240G96
K17S20F C2017 09 30.34135 01 28 03.65 -01 31 51.4 qES240I52
K17S20F C2017 09 30.34566 01 28 05.97 -01 31 34.6 qES240I52
K17S20F C2017 09 30.34978 01 28 08.18 -01 31 19.4 20.5 VqES240I52
K17S20F C2017 09 30.35187 01 28 09.35 -01 31 11.6 qES240I52
Observer details:
G96 Mt. Lemmon Survey. Observer J. A. Johnson. 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.
1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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. 1.0-m reflector + CCD.
Orbital elements:
2017 SF20 Earth MOID = 0.0004 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 4.59478 (2000.0) P Q
n 0.41432964 Peri. 136.56132 +0.76366953 +0.64560024
a 1.7819905 Node 183.23242 -0.60605350 +0.71525784
e 0.4868064 Incl. 3.07893 -0.22250393 +0.26759401
P 2.38 H 28.5 G 0.15 U 7
Residuals in seconds of arc
170928 G96 0.1- 0.5- 170928 I52 0.1- 0.5- 170930 G96 0.5+ 0.7+
170928 G96 0.6+ 0.3+ 170928 I52 0.2+ 0.3+ 170930 G96 0.2- 0.1+
170928 G96 0.9- 0.3- 170928 I52 1.4- 0.7- 170930 G96 0.4- 0.6+
170928 G96 0.5+ 0.2+ 170929 H21 0.1- 0.3+ 170930 I52 0.1+ 0.6-
170928 G96 0.9+ 0.5+ 170929 H21 0.1- 0.1+ 170930 I52 0.2- 0.1-
170928 G96 0.4+ 0.1+ 170929 H21 0.2- 0.2+ 170930 I52 0.5- 0.5-
170928 G96 0.1+ 0.2+ 170930 G96 0.8+ 0.1- 170930 I52 0.1+ 0.6-
Ephemeris:
2017 SF20 a,e,i = 1.78, 0.49, 3 q = 0.9145
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 31 14 03 21.6 -02 20 17 0.1647 0.9188 52.6 119.2 29.2
...
2017 09 15 14 21 12.0 -03 27 26 0.07104 0.9550 43.0 134.1 28.8
...
2017 09 23 14 54 03.0 -06 13 55 0.02248 0.9874 43.9 135.2 26.5
...
2017 09 29 01 04 53.9 -03 34 29 0.01525 1.0167 167.6 12.2 20.2
2017 09 30 01 23 49.0 -01 51 38 0.02114 1.0219 164.6 15.1 21.0
2017 10 01 01 34 23.5 -00 53 18 0.02714 1.0272 163.1 16.5 21.6
...
2017 10 07 01 54 53.8 +01 05 43 0.06390 1.0608 163.3 15.7 23.5
...
2017 10 15 01 59 51.3 +01 49 58 0.1149 1.1099 168.1 10.7 24.7
...
2017 10 30 02 00 31.0 +02 46 00 0.2212 1.2106 168.4 9.5 26.3
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S240
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