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  • MPEC 2023-O41 : 2010 TJ167

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    M.P.E.C. 2023-O41                                 Issued 2023 July 20, 14:56 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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 TJ167                                
    
    
                                Revision to MPEC 2010-U2                            
    
    Additional Observations:
         K10TG7J 2C2023 07 18.02859220 22 40.199-12 42 34.81         20.7 GVEO041J04
         K10TG7J 2C2023 07 18.03742420 22 39.863-12 42 29.05         20.8 GVEO041J04
         K10TG7J 1C2023 07 18.22038420 22 33.823-12 40 16.92               XEO041W57
         K10TG7J 2C2023 07 18.94551420 22 10.700-12 32 55.66         20.5 GVEO041J04
         K10TG7J 2C2023 07 18.95047020 22 10.530-12 32 52.69         20.6 GVEO041J04
    
    Observer details:
    J04 ESA Optical Ground Station, Tenerife.  Observers P. Ruiz, M. Micheli, F.
        Ocana, L. Conversi.  Measurers M. Micheli, F. Ocana, R. Kresken, M.
        Busch.  1.0-m f/4.4 reflector + CCD.
    W57 ESA TBT La Silla Observatory.  Observers F. Ocana, M. Micheli, R.
        Kresken, L. Conversi.  Measurers F. Ocana, M. Micheli.  0.56-m f/2.52
        astrograph prime-focus corrector + 4K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230718 J04 0.33+ 0.11+    230718 J04 0.33+ 0.11+    MPO562270   +0.16 days
    
    Orbital elements:
    2010 TJ167                                               Earth MOID = 0.2539 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 352.45226              (2000.0)            P               Q                  
    n   0.30308071     Peri.   87.93792     +0.99665062     +0.00076566             
    a   2.1949798      Node   272.01130     -0.03344773     +0.91630667             
    e   0.4346311      Incl.    4.69343     +0.07462431     +0.40047659             
    P   3.25           H   21.09          G   0.15           U   0                  
    Residuals in seconds of arc
    100720 F51  0.1+  0.1+    101014 G96  0.5-  0.0     101029 291  0.2-  0.1-
    100720 F51  0.1-  0.3+    101014 G96  0.2-  0.2-    101029 291  0.1+  0.1-
    100819 F51  0.0   0.0     101014 473  0.1+  0.1+    101029 291  0.3-  0.7-
    100819 F51  0.1-  0.0     101014 473  0.1-  0.0     101102 291  0.7+  0.6-
    100831 I41  0.1+  0.0     101014 J04  0.8-  0.6-    101102 291  0.3-  0.4+
    100831 I41  0.5+  0.4-    101014 J04  0.2-  0.3+    101102 291  1.1+  0.0
    100904 I41  0.1-  0.2-    101014 J04  0.2-  0.3+    101108 291  1.6+  0.7-
    100904 I41  0.3+  0.0     101015 H21  0.6-  0.2+    101108 291  0.2-  0.3-
    101014 G96  0.0   0.1-    101015 H21  0.1-  0.2-    101108 291  0.0   0.7+
    101014 G96  0.8-  0.1-    101015 H01  0.4-  0.1-    101202 H21  0.3-  0.2+
    101014 G96  0.5-  0.1+    101015 H21  0.1+  0.6+    101202 H21  0.3-  0.5+
    101014 G96  0.1-  0.9-    101015 H01  0.4-  0.0     101202 H21  0.2-  0.5+
    101014 H01  0.2-  0.2-    101015 H21  0.1-  0.0     101202 291  0.0   0.2+
    101014 H01  0.2+  0.1-    101015 H01  0.3-  0.0     101202 291  0.8-  0.5+
    101014 H01  0.2-  0.0     101015 H01  0.4-  0.0     101202 291  0.6-  0.4+
    101014 G96  0.4-  0.2-    101015 H36  0.8-  0.1+    230718 J04  0.2-  0.0
    101014 G96  0.7-  0.1-    101015 H36  0.5+  0.6+    230718 J04  0.0   0.3+
    101014 G96  0.3-  0.3+    101016 H21  0.1-  0.6+    230718 W57  1.0+  0.3-
    101014 G96  0.6-  0.0     101016 H21  0.5-  0.4-    230718 J04  0.1-  0.0
    101014 H01  0.3-  0.2-    101016 H21  0.3-  0.4+    230718 J04  0.2+  0.1-
    101014 G96  0.1-  0.3-    101028 291  0.7+  0.4+
    101014 G96  0.3-  0.1-    101028 291  0.2+  0.0
    
    Ephemeris:
    2010 TJ167               a,e,i = 2.19, 0.43, 5                   q = 1.2410
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 06 20    20 24 51.0 -17 10 37   0.6900  1.6244   143.7    21.7    22.4
    ...
    2023 07 05    20 26 59.3 -14 53 59   0.5570  1.5439   156.7    15.1    21.6
    ...
    2023 07 13    20 24 59.1 -13 34 27   0.4993  1.5026   163.8    10.9    21.1
    ...
    2023 07 19    20 22 08.1 -12 32 10   0.4625  1.4727   168.8     7.7    20.8
    2023 07 20    20 21 33.9 -12 21 37   0.4569  1.4678   169.4     7.3    20.8
    2023 07 21    20 20 58.2 -12 11 00   0.4514  1.4629   170.1     6.9    20.7
    ...
    2023 07 27    20 17 00.2 -11 06 34   0.4219  1.4343   171.6     5.9    20.5
    ...
    2023 08 04    20 11 11.9 -09 39 40   0.3908  1.3982   167.0     9.4    20.4
    ...
    2023 08 19    20 02 32.2 -07 03 45   0.3554  1.3380   152.7    20.3    20.5
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-O41
    


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