MPEC 2020-V62 : 2013 YS2
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M.P.E.C. 2020-V62 Issued 2020 November 10, 20:21 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
2013 YS2
Revision to MPEC 2013-Y42
Additional Observations:
K13Y02S KC2020 10 16.56027903 47 37.186+28 18 23.09 21.93GVEV062F52
K13Y02S KC2020 11 10.30823204 11 42.26 +29 54 03.2 21.60GVEV062I52
K13Y02S KC2020 11 10.32088304 11 42.65 +29 54 03.6 20.94GVEV062I52
K13Y02S KC2020 11 10.33142204 11 42.98 +29 54 03.5 21.12GVEV062I52
K13Y02S KC2020 11 10.34393304 11 43.32 +29 54 03.7 21.14GVEV062I52
K13Y02S KC2020 11 10.35269804 11 43.57 +29 54 03.1 21.33GVEV062I52
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer E. J. Christensen.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
201016 F52 0.10+ 0.02+ 201110 I52 0.20+ 0.03+ MPO292212 +0.04 days
Orbital elements:
2013 YS2 Earth MOID = 0.0466 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 342.14210 (2000.0) P Q
n 0.56368537 Peri. 216.24272 -0.46985211 -0.88129010
a 1.4513702 Node 261.83177 +0.82146336 -0.41550233
e 0.2965406 Incl. 2.93381 +0.32316706 -0.22513455
P 1.75 H 23.3 G 0.15 U 0
Residuals in seconds of arc
131129 G96 0.1+ 0.3- 131226 926 0.5- 0.2- 140124 807 0.2- 0.1+
131129 G96 0.1- 0.1+ 131230 I36 0.9- 0.3+ 140124 H21 0.1- 0.3+
131129 G96 0.3+ 0.1- 131230 I36 0.4- 0.2+ 140124 H21 0.0 0.1+
131129 G96 0.5- 0.1+ 131230 I36 0.1+ 0.0 140124 H21 0.2- 0.4+
131208 G96 0.2- 0.1+ 131230 246 0.7+ 0.2- 140124 H21 0.0 0.5+
131208 G96 0.0 0.1- 131230 246 0.6+ 0.1+ 140124 H21 0.1+ 0.4+
131208 G96 0.0 0.2- 131230 246 0.8+ 0.2- 140124 H21 0.1+ 0.6+
131208 G96 0.1+ 0.5- 131230 246 0.1+ 0.4- 140201 807 0.0 0.1+
131225 G96 0.1+ 0.1- 131230 246 0.2+ 0.2- 140201 807 0.2+ 0.0
131225 G96 0.3+ 0.3+ 131230 246 0.2+ 0.4+ 140201 807 0.1+ 0.1+
131225 G96 0.1+ 0.2+ 140103 703 0.4- 0.0 140211 807 0.1+ 0.1-
131225 G96 0.0 0.1+ 140103 703 0.7+ 0.2- 140211 807 0.3+ 0.1+
131225 G96 0.1+ 0.2- 140103 703 0.4- 0.1+ 140211 807 0.1+ 0.1+
131225 G96 0.1- 0.0 140104 I36 0.5- 0.5- 140222 807 0.1+ 0.1-
131225 G96 0.0 0.1+ 140104 I36 0.3- 0.2- 140222 807 0.3+ 0.4-
131225 G96 0.3+ 0.5+ 140104 I36 0.1- 0.2+ 140222 807 0.2+ 0.8-
131225 291 0.1+ 0.2+ 140107 807 0.3+ 1.1- 140310 807 0.1+ 0.2-
131225 291 0.1+ 0.0 140107 807 0.5+ 0.5- 140310 807 0.2+ 0.0
131225 291 0.1+ 0.1+ 140114 807 0.0 0.2- 140310 807 0.3+ 0.2+
131225 J16 0.5- 0.5+ 140114 807 0.1- 0.3- 140321 807 0.8- 0.1+
131225 J16 0.5- 0.8+ 140114 807 0.1- 0.1+ 140321 807 0.7- 0.0
131225 J16 0.9- 0.3+ 140123 807 0.0 0.1- 140321 807 0.6- 0.0
131226 H36 0.5+ 0.2+ 140123 807 0.0 0.1- 201110 I52 0.1- 0.2-
131226 H36 0.3+ 0.3- 140123 807 0.1- 0.1- 201110 I52 0.1+ 0.1-
131226 H36 0.3+ 0.3- 140123 807 0.0 0.1- 201110 I52 0.3+ 0.3-
131226 H36 0.1+ 0.1+ 140124 807 0.3- 0.6- 201110 I52 0.0 0.1-
131226 H36 0.5+ 0.3+ 140124 807 0.0 0.2- 201110 I52 0.1- 0.7-
131226 926 0.4- 0.2+ 140124 807 0.1- 0.3-
131226 926 0.4- 0.4+ 140124 807 0.0 0.1+
Ephemeris:
2013 YS2 a,e,i = 1.45, 0.30, 3 q = 1.0210
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 10 11 03 40 42.9 +27 39 04 0.3928 1.3166 137.9 30.5 23.2
...
2020 10 26 03 58 02.6 +29 12 54 0.2905 1.2506 148.3 24.7 22.2
...
2020 11 03 04 05 38.5 +29 43 37 0.2439 1.2162 154.2 20.8 21.7
...
2020 11 09 04 10 39.9 +29 53 44 0.2126 1.1912 158.7 17.6 21.2
2020 11 10 04 11 27.2 +29 54 05 0.2077 1.1871 159.5 17.0 21.2
2020 11 11 04 12 13.8 +29 53 59 0.2029 1.1830 160.3 16.4 21.1
...
2020 11 17 04 16 43.8 +29 43 04 0.1756 1.1592 164.9 12.9 20.6
...
2020 11 25 04 23 02.6 +28 54 40 0.1437 1.1291 170.7 8.1 19.9
...
2020 12 10 04 41 52.1 +24 43 38 0.09589 1.0802 173.7 5.7 18.8
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-V62
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