[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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