[Iaude] MPEC A12: 2018 YS2 [a=1.61,e=0.36,i=5.4,H=24.4]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Wed Jan 2 06:27:16 EST 2019
M.P.E.C. 2019-A12 Issued 2019 Jan. 2, 11:23 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 YS2
Observations:
K18Y02S* C2018 12 31.29010 06 39 46.95 +24 22 12.9 20.6 GVEA012G96
K18Y02S C2018 12 31.29522 06 39 46.94 +24 22 02.9 20.6 GVEA012G96
K18Y02S C2018 12 31.30035 06 39 46.84 +24 21 52.2 20.3 GVEA012G96
K18Y02S KC2018 12 31.39791 06 39 45.79 +24 18 28.1 20.9 RoEA012691
K18Y02S KC2018 12 31.40812 06 39 45.71 +24 18 06.4 20.1 RoEA012691
K18Y02S C2018 12 31.46020 06 39 45.42 +24 16 12.0 22.0 GVEA012G96
K18Y02S C2018 12 31.46302 06 39 45.34 +24 16 05.9 VEA012G96
K18Y02S C2018 12 31.46584 06 39 45.43 +24 15 59.8 VEA012G96
K18Y02S C2018 12 31.46928 06 39 45.40 +24 15 52.6 VEA012G96
K18Y02S KC2018 12 31.94515706 39 52.84 +23 59 04.8 20.4 GVEA012L01
K18Y02S pC2018 12 31.95254106 39 52.75 +23 58 49.9 20.8 GVEA012L01
K18Y02S KC2018 12 31.95487906 39 52.74 +23 58 44.3 20.6 GVEA012L01
K18Y02S |C2019 01 01.22912 06 39 54.39 +23 49 58.8 20.6 VuEA012807
K18Y02S |C2019 01 01.23604 06 39 54.29 +23 49 44.0 20.7 VuEA012807
K18Y02S |C2019 01 01.24341 06 39 54.20 +23 49 27.4 20.6 VuEA012807
K18Y02S KC2019 01 02.02213206 40 02.33 +23 19 35.5 20.1 GVEA012J95
K18Y02S KC2019 01 02.03927306 40 02.19 +23 18 57.3 20.6 GVEA012J95
K18Y02S KC2019 01 02.04921706 40 02.16 +23 18 33.9 20.3 GVEA012J95
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer B. M. Africano. Measurers B. M. Africano,
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, R. L. Seaman,
F. C. Shelly. 1.5-m reflector + 10K CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Valentine,
P. Kukic, A. Radica. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2018 YS2 Earth MOID = 0.0803 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 32.29177 (2000.0) P Q
n 0.48299480 Peri. 228.92630 -0.86163407 -0.49891074
a 1.6088211 Node 280.95321 +0.48945128 -0.76828624
e 0.3561659 Incl. 5.44365 +0.13425413 -0.40102908
P 2.04 H 24.4 G 0.15 U 8
Residuals in seconds of arc
181231 G96 0.6- 0.4- 181231 G96 0.4- 0.4- 190101 807 0.2- 0.0
181231 G96 0.1+ 0.1+ 181231 G96 0.9+ 0.4- 190101 807 0.4- 0.4+
181231 G96 0.4- 0.0 181231 G96 0.6+ 0.1- 190101 807 0.4- 0.0
181231 691 0.2- 0.3+ 181231 L01 0.4+ 0.5- 190102 J95 0.2+ 0.3-
181231 691 0.1- 0.5+ 181231 L01 0.0 0.3+ 190102 J95 0.3- 0.5+
181231 G96 0.5+ 0.5- 181231 L01 0.1+ 0.3- 190102 J95 0.1+ 0.2-
Ephemeris:
2018 YS2 a,e,i = 1.61, 0.36, 5 q = 1.0358
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 03 06 29 38.5 +32 27 46 0.3154 1.2744 152.7 20.8 23.4
...
2018 12 18 06 37 10.4 +29 49 43 0.2242 1.2028 166.0 11.4 22.3
...
2018 12 26 06 38 58.1 +27 01 35 0.1849 1.1675 173.8 5.2 21.5
...
2019 01 01 06 39 53.0 +23 57 30 0.1596 1.1429 178.8 1.1 20.9
2019 01 02 06 40 02.4 +23 20 54 0.1557 1.1389 178.1 1.6 20.9
2019 01 03 06 40 12.5 +22 42 26 0.1519 1.1351 177.2 2.4 20.9
...
2019 01 09 06 41 39.2 +18 08 46 0.1312 1.1130 170.4 8.5 20.8
...
2019 01 17 06 46 01.9 +09 52 06 0.1091 1.0871 160.4 17.6 20.7
...
2019 02 01 07 09 05.7 -12 51 31 0.08492 1.0517 139.9 37.1 20.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A12
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