MPEC 2017-U165: 2017 US2
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M.P.E.C. 2017-U165 Issued 2017 Oct. 22, 14:38 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 US2
Observations:
K17U02S* C2017 10 20.44753 03 50 53.22 +23 32 37.0 21.3 GUEU165G96
K17U02S C2017 10 20.45326 03 50 52.67 +23 32 21.6 21.0 GUEU165G96
K17U02S C2017 10 20.45897 03 50 52.17 +23 32 06.3 20.9 GUEU165G96
K17U02S C2017 10 20.46467 03 50 51.70 +23 31 50.3 20.5 GUEU165G96
K17U02S C2017 10 20.49148 03 50 49.41 +23 30 40.1 20.6 GUEU165G96
K17U02S C2017 10 20.49189 03 50 49.40 +23 30 39.2 20.1 GUEU165G96
K17U02S C2017 10 20.49351 03 50 49.29 +23 30 34.8 21.1 GUEU165G96
K17U02S C2017 10 20.49392 03 50 49.28 +23 30 33.7 20.9 GUEU165G96
K17U02S C2017 10 20.49556 03 50 49.12 +23 30 29.0 20.9 GUEU165G96
K17U02S C2017 10 20.49597 03 50 49.06 +23 30 28.3 21.1 GUEU165G96
K17U02S C2017 10 20.49758 03 50 48.95 +23 30 24.0 20.6 GUEU165G96
K17U02S C2017 10 20.49799 03 50 48.94 +23 30 22.2 20.9 GUEU165G96
K17U02S C2017 10 21.34290 03 50 32.96 +22 58 16.7 21.1 GUEU165I52
K17U02S C2017 10 21.34565 03 50 32.74 +22 58 11.0 20.7 GUEU165I52
K17U02S C2017 10 21.34772 03 50 32.53 +22 58 06.2 21.4 GUEU165I52
K17U02S C2017 10 21.34979 03 50 32.38 +22 58 02.6 20.6 GUEU165I52
K17U02S C2017 10 21.35715 03 50 31.74 +22 57 46.2 20.5 GUEU165G96
K17U02S C2017 10 21.36363 03 50 31.10 +22 57 33.2 21.2 GUEU165G96
K17U02S C2017 10 21.36878 03 50 30.60 +22 57 21.3 21.0 GUEU165G96
K17U02S C2017 10 21.37533 03 50 30.08 +22 57 08.0 20.8 GUEU165G96
K17U02S C2017 10 22.30140 03 50 06.10 +22 26 18.7 21.4 GUEU165I52
K17U02S C2017 10 22.30369 03 50 05.84 +22 26 14.9 UEU165I52
K17U02S C2017 10 22.30595 03 50 05.69 +22 26 11.4 UEU165I52
K17U02S C2017 10 22.30824 03 50 05.43 +22 26 07.5 UEU165I52
Observer details:
G96 Mt. Lemmon Survey. Observers A. D. Grauer, 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 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. 1.0-m reflector + CCD.
Orbital elements:
2017 US2 Earth MOID = 0.0064 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 354.60422 (2000.0) P Q
n 0.42512048 Peri. 125.80515 +0.97912231 +0.20303403
a 1.7517066 Node 222.48287 -0.19088013 +0.90172642
e 0.4506220 Incl. 0.83418 -0.06988755 +0.38166300
P 2.32 H 26.1 G 0.15 U 6
Residuals in seconds of arc
171020 G96 0.1- 0.7+ 171020 G96 0.2+ 0.2- 171021 G96 0.6+ 0.4-
171020 G96 0.5- 0.3+ 171020 G96 0.2- 0.2+ 171021 G96 0.2- 0.1+
171020 G96 0.4- 0.1- 171020 G96 0.0 0.2+ 171021 G96 0.7- 1.0-
171020 G96 0.0 1.1- 171020 G96 0.4+ 0.5- 171021 G96 0.3+ 0.5-
171020 G96 0.4- 0.0 171021 I52 0.1- 0.6+ 171022 I52 0.8+ 0.3-
171020 G96 0.1- 0.2+ 171021 I52 0.2+ 0.5+ 171022 I52 0.3- 0.2-
171020 G96 0.2+ 0.1+ 171021 I52 0.1- 0.0 171022 I52 0.1+ 0.2+
171020 G96 0.6+ 0.1+ 171021 I52 0.3+ 0.7+ 171022 I52 0.9- 0.3+
Ephemeris:
2017 US2 a,e,i = 1.75, 0.45, 1 q = 0.9623
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 22 15 45 52.1 -12 12 43 0.07971 0.9644 58.4 117.6 25.2
...
2017 10 07 15 47 30.1 +15 37 34 0.01238 0.9913 48.6 130.8 22.3
...
2017 10 15 03 53 51.8 +30 33 23 0.02708 1.0174 137.8 41.2 19.9
...
2017 10 21 03 50 40.7 +23 11 20 0.05435 1.0415 146.9 31.5 21.2
2017 10 22 03 50 10.8 +22 36 24 0.05899 1.0459 148.2 30.1 21.4
2017 10 23 03 49 40.6 +22 06 13 0.06366 1.0503 149.4 28.8 21.5
...
2017 10 29 03 46 31.1 +20 05 15 0.09230 1.0787 156.6 21.4 22.1
...
2017 11 06 03 42 07.4 +18 39 47 0.1329 1.1206 165.9 12.4 22.7
...
2017 11 21 03 35 07.9 +17 25 14 0.2208 1.2085 176.5 2.8 23.5
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-U165
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