[Iaude] MPEC X31: 2018 WY2 [a=1.37,e=0.16,i=26.2,H=23.9]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Dec 4 17:01:17 EST 2018
M.P.E.C. 2018-X31 Issued 2018 Dec. 4, 21:57 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 WY2
Observations:
K18W02Y* C2018 11 29.21670 03 26 56.71 +20 00 28.6 20.7 GVEX031G96
K18W02Y C2018 11 29.22229 03 26 56.65 +19 59 37.9 20.6 GVEX031G96
K18W02Y C2018 11 29.23348 03 26 56.54 +19 57 54.8 21.3 GVEX031G96
K18W02Y C2018 11 29.37232 03 26 55.33 +19 36 37.0 21.4 GVEX031I52
K18W02Y C2018 11 29.37565 03 26 55.30 +19 36 05.7 21.4 GVEX031I52
K18W02Y C2018 11 29.37732 03 26 55.30 +19 35 50.7 21.6 GVEX031I52
K18W02Y C2018 11 30.21144 03 27 06.28 +17 28 59.4 20.6 GVEX031G96
K18W02Y C2018 11 30.21306 03 27 06.26 +17 28 44.6 20.7 GVEX031G96
K18W02Y C2018 11 30.21469 03 27 06.21 +17 28 29.3 20.1 GVEX031G96
K18W02Y KC2018 12 03.92714903 27 56.182+08 30 34.63 21.3 GVEX031J04
K18W02Y KC2018 12 03.93367003 27 56.184+08 29 40.86 21.2 GVEX031J04
K18W02Y C2018 12 04.18654 03 28 00.51 +07 55 04.9 20.9 GVEX031I52
K18W02Y C2018 12 04.19834 03 28 00.51 +07 53 28.8 20.9 GVEX031I52
K18W02Y C2018 12 04.20424 03 28 00.52 +07 52 40.4 21.5 GVEX031I52
Observer details:
G96 Mt. Lemmon Survey. Observers B. M. Africano, R. A. Kowalski. Measurers
B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson,
G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard,
E. J. Christensen. Measurers B. M. Africano, E. J. Christensen,
G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
F. C. Shelly. 1.0-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers
M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel. 1.0-m f/4.4
reflector + CCD.
Orbital elements:
2018 WY2 Earth MOID = 0.1720 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 91.06715 (2000.0) P Q
n 0.61164348 Peri. 179.51432 +0.42670460 -0.81080551
a 1.3744760 Node 245.17700 +0.82826705 +0.52824576
e 0.1571305 Incl. 26.19520 +0.36317608 -0.25209291
P 1.61 H 23.9 G 0.15 U 8
Residuals in seconds of arc
181129 G96 0.0 0.5- 181129 I52 0.0 0.5+ 181203 J04 0.1+ 0.0
181129 G96 0.1- 0.0 181130 G96 0.4+ 0.2+ 181204 I52 0.0 0.0
181129 G96 0.1- 0.4- 181130 G96 0.3+ 0.1+ 181204 I52 0.2- 0.1+
181129 I52 0.0 0.6+ 181130 G96 0.3- 0.5- 181204 I52 0.1- 0.3-
181129 I52 0.2- 0.0 181203 J04 0.1+ 0.2+
Ephemeris:
2018 WY2 a,e,i = 1.37, 0.16, 26 q = 1.1585
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 04 03 26 35.3 +67 24 34 0.2626 1.1693 127.1 42.6 23.0
...
2018 11 19 03 26 34.7 +45 08 30 0.1879 1.1603 154.1 21.8 21.6
...
2018 11 27 03 26 40.0 +25 43 10 0.1745 1.1586 169.1 9.3 21.0
...
2018 12 03 03 27 40.5 +10 40 11 0.1821 1.1588 160.2 16.8 21.4
2018 12 04 03 27 56.3 +08 20 58 0.1848 1.1589 157.9 18.7 21.5
2018 12 05 03 28 13.9 +06 06 33 0.1878 1.1591 155.5 20.6 21.6
...
2018 12 11 03 30 37.8 -05 25 53 0.2128 1.1609 142.6 31.0 22.2
...
2018 12 19 03 35 32.5 -15 53 16 0.2585 1.1653 129.4 40.7 22.9
...
2019 01 03 03 49 19.2 -25 24 24 0.3604 1.1790 114.4 49.4 23.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X31
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