[Iaude] MPEC X18: 2018 WM2 [a=1.08,e=0.35,i=2.6,H=24.5]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Dec 2 16:03:16 EST 2018
M.P.E.C. 2018-X18 Issued 2018 Dec. 2, 20:58 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 WM2
Observations:
K18W02M* C2018 11 29.23869 03 38 10.09 +20 30 07.7 20.4 GVEX018G96
K18W02M C2018 11 29.24423 03 38 07.91 +20 29 54.7 20.4 GVEX018G96
K18W02M C2018 11 29.24977 03 38 05.72 +20 29 41.2 20.3 GVEX018G96
K18W02M C2018 11 29.25532 03 38 03.51 +20 29 28.1 20.5 GVEX018G96
K18W02M C2018 11 29.40001 03 37 06.66 +20 23 27.4 20.2 GVEX018I52
K18W02M C2018 11 29.40078 03 37 06.45 +20 23 26.2 20.7 GVEX018I52
K18W02M C2018 11 29.40154 03 37 06.13 +20 23 23.9 19.9 GVEX018I52
K18W02M C2018 11 29.40230 03 37 05.75 +20 23 21.6 20.5 GVEX018I52
K18W02M C2018 11 30.21829 03 32 02.01 +19 48 28.7 19.4 GVEX018I52
K18W02M C2018 11 30.21923 03 32 01.74 +19 48 27.0 19.5 GVEX018I52
K18W02M C2018 11 30.22016 03 32 01.26 +19 48 23.8 20.1 GVEX018I52
K18W02M C2018 11 30.22110 03 32 00.85 +19 48 21.3 20.1 GVEX018I52
K18W02M C2018 12 01.94387 03 19 57.71 +18 22 43.2 20.5 VSEX018033
K18W02M C2018 12 01.94594 03 19 56.72 +18 22 36.2 20.2 VSEX018033
K18W02M C2018 12 01.94829 03 19 55.61 +18 22 28.5 20.1 VSEX018033
K18W02M C2018 12 01.95036 03 19 54.64 +18 22 21.6 20.5 VSEX018033
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + 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, 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,
D. C. Fuls. 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.
Orbital elements:
2018 WM2 Earth MOID = 0.0106 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 58.68233 (2000.0) P Q
n 0.87547070 Peri. 289.60607 -0.99818643 -0.04362407
a 1.0822019 Node 247.91154 +0.05618772 -0.92248042
e 0.3482087 Incl. 2.56588 -0.02160515 -0.38357114
P 1.13 H 24.5 G 0.15 U 8
Residuals in seconds of arc
181129 G96 0.2+ 0.2- 181129 I52 0.4+ 0.4+ 181201 033 0.0 0.2+
181129 G96 0.1+ 0.1+ 181129 I52 0.8- 0.0 181201 033 0.1- 0.0
181129 G96 0.1- 0.2- 181130 I52 0.6- 0.5- 181201 033 0.1- 0.1+
181129 G96 0.4- 0.1+ 181130 I52 1.2+ 0.3+ 181201 033 0.0 0.0
181129 I52 0.5- 0.1- 181130 I52 0.0 0.5-
181129 I52 0.8+ 0.7+ 181130 I52 0.2- 0.5-
Ephemeris:
2018 WM2 a,e,i = 1.08, 0.35, 3 q = 0.7054
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 02 04 43 23.7 +26 29 54 0.2784 1.2334 146.1 26.6 23.4
...
2018 11 17 04 25 41.3 +25 06 30 0.1754 1.1592 165.2 12.6 21.8
...
2018 11 25 03 59 55.5 +22 47 11 0.1289 1.1159 177.8 1.9 20.5
...
2018 12 01 03 26 45.9 +19 12 15 0.09863 1.0820 165.7 13.0 20.4
2018 12 02 03 19 33.8 +18 20 32 0.09407 1.0762 162.8 15.7 20.4
2018 12 03 03 11 46.4 +17 22 41 0.08966 1.0704 159.8 18.6 20.4
...
2018 12 09 02 10 04.5 +08 42 44 0.06746 1.0350 136.6 40.9 20.3
...
2018 12 17 00 01 45.4 -11 33 42 0.05553 0.9866 91.0 85.8 21.2
...
2019 01 01 20 22 05.4 -31 36 37 0.09735 0.8948 23.4 154.1 28.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X18
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