[Iaude] MPEC T07: 2017 SY20 [a=2.33,e=0.55,i=5.4,H=24.1]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Oct 1 10:43:20 EDT 2017
M.P.E.C. 2017-T07 Issued 2017 Oct. 1, 14:40 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 SY20
Observations:
K17S20Y* C2017 09 29.10762 21 34 49.83 +08 16 34.6 21.0 VqET007G96
K17S20Y C2017 09 29.11346 21 34 50.89 +08 16 34.8 21.5 VqET007G96
K17S20Y C2017 09 29.11924 21 34 51.99 +08 16 34.7 21.8 VqET007G96
K17S20Y C2017 09 29.14517 21 34 56.71 +08 16 34.6 qET007G96
K17S20Y C2017 09 29.14824 21 34 57.29 +08 16 34.3 qET007G96
K17S20Y C2017 09 29.14990 21 34 57.61 +08 16 34.7 qET007G96
K17S20Y C2017 09 29.24930 21 35 15.77 +08 16 29.6 qET007I52
K17S20Y C2017 09 29.25255 21 35 16.40 +08 16 29.6 qET007I52
K17S20Y C2017 09 29.25581 21 35 17.01 +08 16 29.8 qET007I52
K17S20Y C2017 09 29.25906 21 35 17.66 +08 16 28.8 21.0 VqET007I52
K17S20Y C2017 09 30.12144 21 38 34.96 +08 15 49.1 qET007I52
K17S20Y C2017 09 30.12431 21 38 35.57 +08 15 49.3 qET007I52
K17S20Y C2017 09 30.12653 21 38 36.02 +08 15 49.5 21.5 VqET007G96
K17S20Y C2017 09 30.12719 21 38 36.16 +08 15 50.3 20.5 VqET007I52
K17S20Y C2017 09 30.12745 21 38 36.20 +08 15 49.6 qET007G96
K17S20Y C2017 09 30.12822 21 38 36.36 +08 15 49.7 22.1 VqET007G96
K17S20Y C2017 09 30.12897 21 38 36.55 +08 15 49.5 21.1 VqET007G96
K17S20Y C2017 09 30.16196 21 38 43.28 +08 15 49.1 20.1 RoET007926
K17S20Y C2017 09 30.16587 21 38 44.06 +08 15 49.2 20.5 RoET007926
K17S20Y C2017 09 30.16978 21 38 44.85 +08 15 49.2 19.7 RoET007926
K17S20Y C2017 10 01.08900 21 42 33.27 +08 14 47.3 19.9 VqET007G96
K17S20Y C2017 10 01.09000 21 42 33.43 +08 14 46.7 19.9 VqET007G96
K17S20Y C2017 10 01.09100 21 42 33.59 +08 14 47.1 19.9 VqET007G96
K17S20Y C2017 10 01.09203 21 42 33.87 +08 14 47.8 19.9 VqET007G96
Observer details:
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers J. A. Johnson, 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. 1.5-m reflector + 10K 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 SY20 Earth MOID = 0.0483 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 346.81715 (2000.0) P Q
n 0.27690254 Peri. 183.70480 +0.88242768 -0.46882766
a 2.3312280 Node 204.37313 +0.43402111 +0.84329274
e 0.5523150 Incl. 5.42462 +0.18151325 +0.26278885
P 3.56 H 24.1 G 0.15 U 6
Residuals in seconds of arc
170929 G96 0.1+ 0.1- 170929 I52 0.0 0.4+ 170930 G96 0.5+ 0.2+
170929 G96 0.1- 0.1+ 170929 I52 0.6+ 0.4- 170930 926 0.5+ 0.3-
170929 G96 0.4+ 0.1+ 170930 I52 0.2- 0.4- 170930 926 0.3+ 0.1-
170929 G96 0.0 0.3+ 170930 I52 0.1+ 0.1- 170930 926 0.3+ 0.1+
170929 G96 0.3+ 0.1+ 170930 G96 0.0 0.1+ 171001 G96 1.3+ 0.1+
170929 G96 0.5+ 0.5+ 170930 I52 0.1+ 1.0+ 171001 G96 0.3+ 0.5-
170929 I52 0.4- 0.3- 170930 G96 0.1- 0.3+ 171001 G96 0.8- 0.0
170929 I52 0.0 0.0 170930 G96 0.0 0.4+ 171001 G96 0.1- 0.7+
Ephemeris:
2017 SY20 a,e,i = 2.33, 0.55, 5 q = 1.0437
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 01 21 07 45.0 +07 08 37 0.2249 1.2126 152.1 22.9 22.4
...
2017 09 16 21 09 50.2 +08 06 12 0.1556 1.1325 142.3 32.9 21.7
...
2017 09 24 21 20 43.2 +08 17 06 0.1228 1.0985 138.7 37.0 21.2
...
2017 09 30 21 38 04.6 +08 16 33 0.09968 1.0778 138.1 38.3 20.8
2017 10 01 21 42 07.2 +08 15 33 0.09598 1.0748 138.3 38.3 20.7
2017 10 02 21 46 34.8 +08 14 12 0.09233 1.0719 138.6 38.2 20.6
...
2017 10 08 22 24 46.6 +07 54 37 0.07186 1.0574 142.9 34.7 19.9
...
2017 10 16 00 03 55.1 +06 07 35 0.05200 1.0460 160.1 18.9 18.7
...
2017 10 31 04 09 09.2 -01 24 37 0.06625 1.0502 149.0 29.1 19.6
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-T07
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