[Iaude] MPEC X101: 2018 XU2 [a=2.40,e=0.47,i=3.4,H=21.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 12 11:39:16 EST 2018


M.P.E.C. 2018-X101                               Issued 2018 Dec. 12, 16:35 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 XU2
 
Observations:
     K18X02U* C2018 12 10.43901 07 02 53.17 +21 08 08.2          21.2 GVEX101G96
     K18X02U  C2018 12 10.44414 07 02 53.31 +21 08 05.8          21.2 GVEX101G96
     K18X02U  C2018 12 10.44929 07 02 53.50 +21 08 02.7          20.4 GVEX101G96
     K18X02U  C2018 12 10.45443 07 02 53.60 +21 08 00.0          21.1 GVEX101G96
     K18X02U KC2018 12 11.03882807 03 12.24 +21 03 02.0          21.0 GVEX101L01
     K18X02U KC2018 12 11.04194307 03 12.32 +21 03 00.4          21.1 GVEX101L01
     K18X02U KC2018 12 11.04505907 03 12.41 +21 02 59.0          21.0 GVEX101L01
     K18X02U KC2018 12 11.34684 07 03 21.58 +21 00 27.4          20.3 GUEX101H36
     K18X02U KC2018 12 11.35577 07 03 21.80 +21 00 23.2          21.2 GUEX101H36
     K18X02U KC2018 12 11.39150 07 03 22.63 +21 00 03.8          20.7 GUEX101H36
     K18X02U  C2018 12 12.21539107 03 47.90 +20 53 00.2          20.8 GVEX101H01
     K18X02U  C2018 12 12.21974607 03 48.01 +20 52 58.1          20.6 GVEX101H01
     K18X02U  C2018 12 12.22978907 03 48.25 +20 52 53.2          20.8 GVEX101H01
     K18X02U  C2018 12 12.24411607 03 48.59 +20 52 46.1          20.8 GVEX101H01
     K18X02U KC2018 12 12.37594 07 03 51.31 +20 51 38.0          20.7 GUEX101H36
     K18X02U KC2018 12 12.38774 07 03 51.58 +20 51 31.4          20.6 GUEX101H36
     K18X02U KC2018 12 12.41134 07 03 52.10 +20 51 18.2          21.0 GUEX101H36
 
Observer details:
G96 Mt. Lemmon Survey.  Observer D. C. Fuls.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
 
Orbital elements:
2018 XU2                                                 Earth MOID = 0.2821 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  18.20177              (2000.0)            P               Q
n   0.26522422     Peri.  241.82415     -0.76266842     -0.64424587
a   2.3991676      Node   258.00723     +0.61206598     -0.69024428
e   0.4738196      Incl.    3.35866     +0.20907442     -0.32940869
P   3.72           H   21.0           G   0.15           U   8
Residuals in seconds of arc
181210 G96  0.4-  0.0     181211 L01  0.1+  0.1+    181212 H01  0.0   0.1+
181210 G96  0.2-  0.3+    181211 H36  0.3+  0.1+    181212 H01  0.0   0.0
181210 G96  0.6+  0.2-    181211 H36  0.4+  0.5+    181212 H36  0.0   0.4+
181210 G96  0.1+  0.2-    181211 H36  0.1+  0.4-    181212 H36  0.1+  0.0
181211 L01  0.1-  0.1-    181212 H01  0.0   0.0     181212 H36  0.1+  0.6-
181211 L01  0.1-  0.1-    181212 H01  0.1+  0.0

Ephemeris:
2018 XU2                 a,e,i = 2.40, 0.47, 3                   q = 1.2624
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 12    06 36 02.2 +24 07 43   0.7602  1.5958   131.1    27.9    22.7
...
2018 11 27    06 52 58.9 +22 47 18   0.6085  1.5143   142.2    23.5    21.9
...
2018 12 05    06 59 33.2 +21 51 30   0.5395  1.4735   148.7    20.3    21.5
...
2018 12 11    07 03 11.1 +21 03 29   0.4936  1.4443   153.9    17.5    21.2
2018 12 12    07 03 40.8 +20 54 58   0.4865  1.4396   154.7    17.0    21.1
2018 12 13    07 04 08.8 +20 46 18   0.4795  1.4349   155.6    16.5    21.1
...
2018 12 19    07 06 19.1 +19 51 15   0.4405  1.4077   161.0    13.2    20.7
...
2018 12 27    07 07 43.2 +18 30 14   0.3969  1.3743   168.2     8.4    20.3
...
2019 01 11    07 07 35.1 +15 42 50   0.3403  1.3214   172.2     5.8    19.7

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X101



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