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  • MPEC 2017-W106: 2010 XJ

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    M.P.E.C. 2017-W106                               Issued 2017 Nov. 22, 12:41 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                        2010 XJ
    
                               Revision to MPEC 2010-X20
    
    Additional Observations:
         K10X00J |C2017 11 21.11516 01 04 56.50 +06 17 16.9          22.6 GUEW106807
         K10X00J |C2017 11 21.13337 01 04 55.24 +06 17 18.7          22.5 GUEW106807
         K10X00J |C2017 11 21.15117 01 04 53.99 +06 17 20.5          22.7 GUEW106807
         K10X00J |C2017 11 22.05338 01 03 53.77 +06 18 50.4          22.8 GUEW106807
         K10X00J |C2017 11 22.06575 01 03 52.90 +06 18 51.6          22.8 GUEW106807
         K10X00J |C2017 11 22.07768 01 03 52.08 +06 18 52.8          22.8 GUEW106807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    171121 807  7.8-  8.5-    171122 807  7.8-  8.6-    MPO200305   +0.011 day
    
    Orbital elements:
    2010 XJ                                                  Earth MOID = 0.1536 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 285.04659              (2000.0)            P               Q
    n   0.27305445     Peri.  120.70473     -0.88340698     -0.42655884
    a   2.3530792      Node    35.13090     +0.22249565     -0.74617769
    e   0.5716965      Incl.   19.70309     +0.41241701     -0.51114226
    P   3.61           H   19.7           G   0.15           U   1
    Residuals in seconds of arc
    101201 G96  0.2-  0.0     101214 691  0.4+  0.1-    110105 H21  0.0   0.1+
    101201 G96  0.3+  0.0     101214 691  0.4-  0.1-    110409 J18  0.1+  0.6-
    101201 G96  0.5+  0.2+    101214 691  0.1+  0.3+    110409 J18  0.0   0.7-
    101201 G96  0.1+  0.1-    101214 691  0.3-  0.5-    110409 H21  0.6+  0.9+
    101201 H01  0.1+  0.2+    101214 691  0.3-  0.1+    110409 H21  0.0   0.4+
    101201 H01  0.2+  0.1+    101214 691  0.1-  0.1+    110409 H21  0.7-  0.4+
    101201 H01  0.1+  0.1+    101215 691  0.4+  0.4-    110425 B67  1.2+  0.2+
    101202 H01  0.0   0.1+    101215 691  0.1+  0.1-    110425 B67  0.2-  0.3+
    101202 H01  0.1+  0.1+    101215 691  0.7-  0.3+    110425 B67  0.0   0.5-
    101202 H01  0.0   0.2+    101215 691  0.9+  0.0     110506 204  0.6-  0.1+
    101202 H01  0.0   0.2+    101215 691  0.5-  0.4+    110506 204  0.4-  0.1-
    101202 H21  0.5+  0.3+    101215 691  0.4-  0.1+    110518 807  0.0   0.0
    101202 H21  0.4+  0.3+    101226 691  0.0   0.3+    110518 807  0.1-  0.0
    101202 H21  0.4+  0.4+    101226 691  0.0   0.3-    110518 807  0.2-  0.1-
    101208 H21  0.5+  0.1-    101226 691  0.0   0.1-    171121 807  0.2-  0.1+
    101208 H21  0.3+  0.1-    110104 H21  0.5+  0.0     171121 807  0.1+  0.1+
    101208 H21  0.4+  0.3-    110104 H21  0.4+  0.0     171121 807  0.0   0.3+
    101214 691  0.2-  0.1-    110104 H21  0.2+  0.2-    171122 807  0.2+  0.0
    101214 691  0.0   0.1-    110105 H21  0.0   0.1+    171122 807  0.2-  0.1-
    101214 691  0.2-  0.2-    110105 H21  0.3+  0.2-    171122 807  0.2-  0.1-
    
    Ephemeris:
    2010 XJ                  a,e,i = 2.35, 0.57, 20                  q = 1.0078
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 10 23    01 46 13.3 +06 23 22   1.4599  2.4526   175.0     2.0    22.7
    ...
    2017 11 07    01 23 34.1 +06 09 13   1.4145  2.3586   157.0     9.5    22.9
    ...
    2017 11 15    01 12 25.3 +06 10 24   1.4167  2.3069   146.5    13.7    23.1
    ...
    2017 11 21    01 05 04.5 +06 17 02   1.4288  2.2674   138.8    16.7    23.1
    2017 11 22    01 03 57.3 +06 18 41   1.4316  2.2607   137.5    17.2    23.2
    2017 11 23    01 02 52.1 +06 20 30   1.4346  2.2541   136.3    17.6    23.2
    ...
    2017 11 29    00 57 03.7 +06 34 51   1.4563  2.2137   129.0    20.3    23.3
    ...
    2017 12 07    00 51 21.3 +07 03 35   1.4937  2.1589   119.7    23.3    23.3
    ...
    2017 12 22    00 47 08.9 +08 27 11   1.5795  2.0534   104.0    27.7    23.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-W106
    

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