MPEC 2017-Y135: 2017 YZ5
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M.P.E.C. 2017-Y135 Issued 2017 Dec. 28, 22:54 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 YZ5
Observations:
K17Y05Z* C2017 12 26.21363 05 40 46.35 +23 06 17.5 20.7 GUEY135G96
K17Y05Z C2017 12 26.21874 05 40 45.61 +23 05 19.1 20.4 GUEY135G96
K17Y05Z C2017 12 26.22898 05 40 44.09 +23 03 20.5 20.3 GUEY135G96
K17Y05Z C2017 12 26.25183 05 40 40.62 +22 58 56.9 20.4 GUEY135I52
K17Y05Z C2017 12 26.25307 05 40 40.43 +22 58 42.4 20.4 GUEY135I52
K17Y05Z KC2017 12 26.25333 05 40 39.88 +22 58 43.1 oEY135711
K17Y05Z C2017 12 26.25431 05 40 40.27 +22 58 28.1 20.4 GUEY135I52
K17Y05Z C2017 12 26.25556 05 40 40.06 +22 58 14.3 20.3 GUEY135I52
K17Y05Z KC2017 12 26.25613 05 40 39.46 +22 58 10.7 oEY135711
K17Y05Z KC2017 12 26.25897 05 40 39.02 +22 57 37.3 oEY135711
K17Y05Z C2017 12 26.44500 05 40 12.59 +22 21 39.1 20.3 GUEY135I52
K17Y05Z C2017 12 26.44625 05 40 12.42 +22 21 23.9 20.1 GUEY135I52
K17Y05Z C2017 12 26.44749 05 40 12.25 +22 21 10.3 20.3 GUEY135I52
K17Y05Z KC2017 12 27.24255905 38 44.79 +19 51 38.8 20.9 VuEY135H21
K17Y05Z KC2017 12 27.24964505 38 43.84 +19 50 20.2 20.8 VuEY135H21
K17Y05Z C2017 12 27.27990 05 38 41.40 +19 44 54.6 20.6 GUEY135G96
K17Y05Z C2017 12 27.28048 05 38 41.30 +19 44 48.0 20.7 GUEY135G96
K17Y05Z C2017 12 27.28106 05 38 41.28 +19 44 40.5 UEY135G96
K17Y05Z C2017 12 27.28164 05 38 41.17 +19 44 34.3 UEY135G96
K17Y05Z C2017 12 27.37858 05 38 28.08 +19 26 39.9 19.4 GUEY135I52
K17Y05Z C2017 12 27.38077 05 38 27.80 +19 26 15.7 UEY135I52
K17Y05Z C2017 12 27.38373 05 38 27.43 +19 25 42.5 UEY135I52
K17Y05Z C2017 12 27.38497 05 38 27.28 +19 25 29.8 20.0 GUEY135I52
K17Y05Z KC2017 12 27.89702 05 37 37.75 +17 52 18.5 21.1 GUEY135J95
K17Y05Z KC2017 12 27.90952 05 37 36.23 +17 50 03.8 21.4 GUEY135J95
K17Y05Z FC2017 12 27.92311 05 37 34.59 +17 47 39.3 UEY135J95
K17Y05Z KC2017 12 27.93936 05 37 32.58 +17 44 45.9 UEY135J95
K17Y05Z C2017 12 28.21353 05 37 06.01 +16 56 27.3 20.1 GUEY135I52
K17Y05Z C2017 12 28.21477 05 37 05.86 +16 56 14.3 20.2 GUEY135I52
K17Y05Z C2017 12 28.21601 05 37 05.71 +16 56 01.0 20.2 GUEY135I52
K17Y05Z C2017 12 28.21725 05 37 05.55 +16 55 47.9 19.9 GUEY135I52
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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. 0.61-m f/4.5
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
R. G. Matheny. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2017 YZ5 Earth MOID = 0.1104 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 313.72206 (2000.0) P Q
n 0.71075071 Peri. 134.24707 +0.62268945 -0.68904462
a 1.2435345 Node 273.38842 +0.56928860 +0.72403683
e 0.1533327 Incl. 21.80359 +0.53681313 +0.03143534
P 1.39 H 24.4 G 0.15 U 7
Residuals in seconds of arc
171226 G96 0.1- 0.1- 171226 I52 0.0 0.7- 171227 I52 0.2+ 0.7+
171226 G96 0.2+ 0.4+ 171226 I52 0.1- 0.1+ 171227 J95 0.2+ 0.1+
171226 G96 0.3+ 0.2- 171227 H21 0.4- 0.0 171227 J95 0.1+ 0.8-
171226 I52 0.3- 0.2- 171227 H21 0.3- 0.2+ 171227 J95 0.2+ 0.2+
171226 I52 0.3- 0.4- 171227 G96 0.1+ 0.4+ 171227 J95 0.3- 0.7+
171226 711 0.1+ 0.6+ 171227 G96 0.2- 0.2+ 171228 I52 0.3- 0.2-
171226 I52 0.0 0.4- 171227 G96 0.6+ 0.8- 171228 I52 0.3- 0.1-
171226 I52 0.3- 0.2+ 171227 G96 0.2+ 0.6- 171228 I52 0.2- 0.3-
171226 711 0.2+ 0.6+ 171227 I52 0.2- 0.1- 171228 I52 0.3- 0.4-
171226 711 0.1+ 0.0 171227 I52 0.2- 0.0
171226 I52 0.0 0.0 171227 I52 0.0 0.4-
Ephemeris:
2017 YZ5 a,e,i = 1.24, 0.15, 22 q = 1.0529
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 28 12 02 54.4 +82 21 51 0.1923 1.0609 107.6 62.4 23.2
...
2017 12 13 06 38 58.6 +65 38 31 0.1243 1.0769 135.6 39.7 21.6
...
2017 12 21 05 54 43.1 +40 58 42 0.1093 1.0885 162.5 15.8 20.6
...
2017 12 27 05 39 12.5 +20 37 17 0.1167 1.0984 169.6 9.3 20.6
2017 12 28 05 37 25.9 +17 34 46 0.1194 1.1002 167.1 11.5 20.7
2017 12 29 05 35 49.9 +14 41 18 0.1226 1.1019 164.3 13.9 20.8
...
2018 01 04 05 29 12.5 +00 41 40 0.1482 1.1131 149.2 26.9 21.7
...
2018 01 12 05 25 57.5 -10 28 50 0.1935 1.1291 135.2 37.9 22.6
...
2018 01 27 05 30 39.2 -19 12 36 0.2928 1.1620 120.8 46.7 23.8
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-Y135
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