[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



More information about the Iaude mailing list