[Iaude] MPEC S238: 2017 SC20 [a=1.68,e=0.45,i=10.4,H=23.8]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Sep 30 14:19:16 EDT 2017
M.P.E.C. 2017-S238 Issued 2017 Sept. 30, 18:15 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 SC20
Observations:
K17S20C C2017 09 25.23580 20 49 43.168+02 27 57.45 19.6 wLES238F51
K17S20C* C2017 09 28.13823 21 51 30.22 -03 21 59.3 19.5 VqES238G96
K17S20C C2017 09 28.14399 21 51 36.35 -03 22 34.2 19.5 VqES238G96
K17S20C C2017 09 28.14976 21 51 42.50 -03 23 10.0 19.8 VqES238G96
K17S20C C2017 09 28.15551 21 51 48.58 -03 23 45.3 19.7 VqES238G96
K17S20C C2017 09 28.18690 21 52 21.78 -03 26 56.3 19.8 VqES238G96
K17S20C C2017 09 28.18731 21 52 22.21 -03 26 58.7 19.4 VqES238G96
K17S20C C2017 09 28.18775 21 52 22.68 -03 27 01.3 19.9 VqES238G96
K17S20C C2017 09 28.18816 21 52 23.11 -03 27 03.7 19.6 VqES238G96
K17S20C C2017 09 28.18897 21 52 23.98 -03 27 08.9 20.0 VqES238I52
K17S20C C2017 09 28.18938 21 52 24.40 -03 27 11.4 19.7 VqES238I52
K17S20C C2017 09 28.18981 21 52 24.84 -03 27 13.6 20.1 VqES238I52
K17S20C C2017 09 28.19022 21 52 25.29 -03 27 16.6 20.4 VqES238I52
K17S20C C2017 09 28.29505 21 54 15.48 -03 37 47.3 19.2 VqES238I52
K17S20C C2017 09 28.29546 21 54 15.95 -03 37 50.1 19.0 VqES238I52
K17S20C C2017 09 28.29587 21 54 16.36 -03 37 52.5 19.3 VqES238I52
K17S20C C2017 09 28.29629 21 54 16.79 -03 37 55.1 19.3 VqES238I52
K17S20C KC2017 09 29.07514922 07 52.72 -04 51 51.4 20.0 VuES238H21
K17S20C KC2017 09 29.08231822 07 59.62 -04 52 30.1 20.4 VuES238H21
K17S20C KC2017 09 29.08980322 08 06.78 -04 53 10.2 20.5 VuES238H21
K17S20C C2017 09 29.12696 22 08 44.81 -04 56 16.6 18.7 RoES238926
K17S20C C2017 09 29.12904 22 08 46.83 -04 56 27.6 18.6 RoES238926
K17S20C C2017 09 29.13001 22 08 47.72 -04 56 34.5 19.8 VqES238G96
K17S20C C2017 09 29.13113 22 08 48.83 -04 56 38.8 18.8 RoES238926
K17S20C C2017 09 29.14908 22 09 05.87 -04 58 16.6 19.7 VqES238G96
K17S20C C2017 09 29.16121 22 09 17.36 -04 59 21.3 19.6 VqES238G96
K17S20C C2017 09 29.16899 22 09 24.72 -05 00 02.5 19.9 VqES238G96
K17S20C C2017 09 29.18442 22 09 39.30 -05 01 24.5 19.5 VqES238G96
K17S20C C2017 09 29.18487 22 09 39.71 -05 01 26.6 20.0 VqES238G96
K17S20C C2017 09 29.18528 22 09 40.11 -05 01 28.8 19.3 VqES238G96
K17S20C C2017 09 29.18568 22 09 40.47 -05 01 31.0 19.5 VqES238G96
K17S20C C2017 09 29.19102 22 09 45.53 -05 01 59.6 19.8 VqES238G96
K17S20C C2017 09 29.19249 22 09 46.92 -05 02 07.3 19.8 VqES238G96
K17S20C C2017 09 29.19290 22 09 47.29 -05 02 09.3 19.8 VqES238G96
K17S20C C2017 09 29.19636 22 09 50.56 -05 02 27.7 19.5 VqES238G96
K17S20C C2017 09 29.19676 22 09 50.92 -05 02 29.8 19.5 VqES238G96
K17S20C C2017 09 29.19716 22 09 51.29 -05 02 31.9 19.7 VqES238G96
K17S20C C2017 09 29.19759 22 09 51.69 -05 02 34.3 20.0 VqES238G96
K17S20C C2017 09 29.24749 22 10 38.55 -05 06 56.8 20.0 VqES238I52
K17S20C C2017 09 29.24790 22 10 38.92 -05 06 59.0 19.9 VqES238I52
K17S20C C2017 09 29.24831 22 10 39.32 -05 07 01.4 19.9 VqES238I52
K17S20C C2017 09 29.24873 22 10 39.71 -05 07 03.5 20.0 VqES238I52
K17S20C C2017 09 29.25225 22 10 43.01 -05 07 21.4 20.1 VqES238G96
K17S20C C2017 09 29.25265 22 10 43.39 -05 07 23.7 19.7 VqES238G96
K17S20C C2017 09 29.25306 22 10 43.76 -05 07 26.4 qES238G96
K17S20C C2017 09 29.25346 22 10 44.13 -05 07 28.0 qES238G96
K17S20C C2017 09 29.28560 22 11 14.23 -05 10 15.6 19.4 VqES238I52
K17S20C C2017 09 29.28656 22 11 15.10 -05 10 21.0 qES238I52
K17S20C C2017 09 29.28752 22 11 16.00 -05 10 25.9 qES238I52
K17S20C C2017 09 29.28891 22 11 17.32 -05 10 32.8 19.7 VqES238I52
K17S20C C2017 09 30.15933 22 24 47.13 -06 21 35.4 qES238I52
K17S20C C2017 09 30.16029 22 24 47.93 -06 21 39.5 qES238I52
K17S20C C2017 09 30.16126 22 24 48.76 -06 21 43.9 qES238I52
K17S20C C2017 09 30.16224 22 24 49.57 -06 21 48.6 19.0 VqES238I52
Observer details:
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, 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.
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. 0.76-m f/3.0
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 SC20 Earth MOID = 0.0388 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 9.76832 (2000.0) P Q
n 0.45345215 Peri. 120.56691 +0.59522146 +0.80333716
a 1.6779605 Node 186.06724 -0.78500755 +0.57626489
e 0.4548076 Incl. 10.35331 -0.17168158 +0.15022711
P 2.17 H 23.8 G 0.15 U 7
Residuals in seconds of arc
170925 F51 0.0 0.0 170929 H21 0.2- 0.0 170929 G96 0.0 0.1+
170928 G96 0.0 0.1- 170929 H21 0.5- 0.2+ 170929 G96 0.1- 0.0
170928 G96 0.1+ 0.3+ 170929 926 0.6- 0.1- 170929 I52 0.1+ 0.0
170928 G96 0.4+ 0.2- 170929 926 0.0 0.1+ 170929 I52 0.1- 0.0
170928 G96 0.1+ 0.4- 170929 G96 0.1+ 0.0 170929 I52 0.1+ 0.3-
170928 G96 0.1- 0.0 170929 926 0.1+ 0.1+ 170929 I52 0.0 0.2-
170928 G96 0.1- 0.1+ 170929 G96 0.2+ 0.1- 170929 G96 0.1+ 0.3+
170928 G96 0.0 0.1+ 170929 G96 0.1+ 0.1- 170929 G96 0.2+ 0.1+
170928 G96 0.1- 0.2+ 170929 G96 0.1+ 0.1+ 170929 G96 0.1- 0.5-
170928 I52 0.2+ 0.0 170929 G96 0.2+ 0.0 170929 G96 0.1- 0.0
170928 I52 0.0 0.0 170929 G96 0.0 0.3+ 170929 I52 0.1- 0.1-
170928 I52 0.2- 0.4+ 170929 G96 0.2+ 0.3+ 170929 I52 0.5- 0.5-
170928 I52 0.0 0.1- 170929 G96 0.1- 0.2+ 170929 I52 0.5- 0.4-
170928 I52 0.1- 0.4+ 170929 G96 0.3+ 0.1- 170929 I52 0.2- 0.1-
170928 I52 0.5+ 0.1+ 170929 G96 0.4+ 0.0 170930 I52 0.1+ 0.2-
170928 I52 0.1+ 0.1+ 170929 G96 0.2+ 0.2+ 170930 I52 0.0 0.1+
170928 I52 0.0 0.0 170929 G96 0.3+ 0.1+ 170930 I52 0.2+ 0.2+
170929 H21 0.4- 0.0 170929 G96 0.1+ 0.1+ 170930 I52 0.1- 0.0
Ephemeris:
2017 SC20 a,e,i = 1.68, 0.45, 10 q = 0.9148
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 31 14 47 19.6 +20 50 20 0.1728 0.9390 61.4 109.3 24.0
...
2017 09 15 16 50 10.7 +19 26 18 0.08166 0.9938 79.3 96.0 21.8
...
2017 09 23 19 52 23.6 +07 44 39 0.06013 1.0330 117.9 59.2 19.9
...
2017 09 29 22 06 34.4 -04 43 42 0.07653 1.0658 145.6 32.1 19.7
2017 09 30 22 22 22.9 -06 08 06 0.08142 1.0715 148.2 29.5 19.8
2017 10 01 22 36 28.4 -07 20 47 0.08673 1.0773 150.2 27.5 19.9
...
2017 10 07 23 34 24.6 -11 42 23 0.1245 1.1131 154.5 22.7 20.6
...
2017 10 15 00 13 19.4 -13 38 10 0.1839 1.1634 152.5 23.3 21.6
...
2017 10 30 00 47 16.2 -13 23 08 0.3133 1.2626 145.0 26.8 23.0
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S238
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