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  • MPEC 2018-V31 : 2013 LK7

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    M.P.E.C. 2018-V31                                Issued 2018 Nov. 4, 18:52 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
    
                                       2013 LK7
    
                               Revision to MPEC 2013-L43
    
    Additional Observations:
         K13L07K |C2018 11 02.07363 21 54 40.10 -61 21 08.1          21.9 VUEV031807
         K13L07K |C2018 11 02.08532 21 54 39.95 -61 20 51.7          21.6 VUEV031807
         K13L07K |C2018 11 02.09702 21 54 39.78 -61 20 35.2          21.9 VUEV031807
         K13L07K |C2018 11 04.03232 21 54 42.30 -60 35 52.1          21.8 VuEV031807
         K13L07K |C2018 11 04.04185 21 54 42.22 -60 35 38.3          21.8 VuEV031807
         K13L07K |C2018 11 04.05107 21 54 42.17 -60 35 25.5          22.0 VuEV031807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD, 1.00-m f/10.0 astrograph + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    181102 807 0.06- 0.11+    181104 807 0.06- 0.11+    MPO266958   +0.15 day
    
    Orbital elements:
    2013 LK7                                                 Earth MOID = 0.2017 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  76.59728              (2000.0)            P               Q
    n   0.83094588     Peri.   33.53852     -0.54547815     -0.75362023
    a   1.1205233      Node    92.19443     +0.66545712     -0.65546182
    e   0.3473183      Incl.   21.53228     +0.50952960     +0.04925791
    P   1.19           H   20.5           G   0.15           U   4
    Residuals in seconds of arc
    130606 691  0.6-  0.1-    130608 104  0.3-  0.0     130615 807  0.0   0.2-
    130606 691  0.4-  0.1+    130608 461  0.2+  0.0     130615 291  0.0   0.0
    130606 691  1.3-  0.4-    130608 461  0.2-  0.1-    130615 291  0.1+  0.4-
    130606 291  0.2-  0.1+    130608 461  0.3+  0.6+    130615 291  0.3+  0.0
    130606 291  0.2-  0.0     130609 H01  0.0   0.0     130618 448 (1.6+  0.9-)
    130606 291  0.0   0.2+    130609 H01  0.1-  0.0     130618 448 (1.8-  2.3+)
    130606 291  0.2-  0.4+    130609 H01  0.1-  0.0     130618 448  1.0-  0.9-
    130606 291  0.1+  0.0     130609 H01  0.0   0.0     130618 291  0.1+  0.1+
    130606 291  0.3+  0.5+    130610 291  0.6+  0.2+    130618 291  0.1+  0.2+
    130606 474  0.8-  0.2-    130610 291  0.1+  0.1+    130618 291  0.0   0.4+
    130606 474  0.0   0.0     130610 291  0.1+  0.1+    130619 H21 (1.6-  0.3+)
    130606 474 (0.2-  1.8+)   130610 Z81  0.2+  0.4-    130619 H21  1.2-  0.7+
    130606 198  0.4+  0.2+    130610 Z81  0.6-  0.0     130619 H21  0.8-  0.6+
    130606 198  0.8+  0.6-    130610 Z81  0.2+  0.1-    130626 807  0.1-  0.2-
    130606 198  0.7+  0.0     130611 H21  0.0   0.1+    130626 807  0.1-  0.1-
    130606 198  0.4+  0.0     130611 H21  0.0   0.0     130626 807  0.1+  0.1-
    130606 198  0.3-  0.5-    130611 H21  0.2-  0.0     130626 807  0.0   0.2-
    130606 J95  0.2+  0.2-    130611 291  0.0   0.0     130626 807  0.1+  0.1-
    130606 K57  0.1+  0.0     130611 291  0.2+  0.1+    130626 G96  0.2-  0.0
    130606 J95  0.2+  0.3-    130611 291  0.0   0.2+    130626 G96  0.0   0.1-
    130606 J95  0.1+  0.2-    130612 807  0.2-  0.0     130626 G96  0.0   0.1+
    130606 K57  0.1+  0.1-    130612 807  0.2-  0.1-    130626 G96  0.1+  0.1-
    130606 K57  0.0   0.0     130612 807  0.2-  0.1-    130627 291  0.1+  0.3-
    130607 291  0.0   0.1+    130612 807  0.1-  0.1-    130627 291  0.1+  0.1+
    130607 291  0.0   0.2+    130612 807  0.1-  0.1-    130627 291  0.2+  0.3-
    130607 291  0.0   0.0     130613 291  0.2+  0.1+    130628 291  0.1-  0.2+
    130607 H36  0.1+  0.2-    130613 291  0.2+  0.2+    130628 291  0.3+  0.2+
    130607 H36  0.2+  0.4-    130613 291  0.2+  0.2+    130628 291  0.3-  0.1+
    130607 H36  0.1+  0.0     130614 G58  0.0   0.0     130629 291  0.1+  0.2-
    130607 204  0.2-  0.3-    130614 G58  0.1-  0.1+    130629 291  0.2+  0.1-
    130607 204  0.3-  0.2-    130614 G58  0.0   0.0     130629 291  0.1-  0.3-
    130607 204  0.1-  0.2-    130614 703  0.1-  0.5+    130630 291  0.4+  0.1+
    130607 461  0.2+  0.3+    130614 703  0.3-  0.5+    130630 291  0.3+  0.0
    130607 595  0.4+  0.2-    130614 703  0.7-  0.6+    130630 291  0.0   0.2-
    130607 461  0.1+  0.6+    130614 703  0.9-  0.4+    181102 807  0.5+  0.2-
    130607 595  0.1+  0.2-    130614 H21  0.1-  0.2-    181102 807  0.5+  0.2-
    130607 595  0.0   0.5-    130614 H21  0.0   0.3-    181102 807  0.3+  0.2-
    130608 291  0.1+  0.3+    130614 H21  0.2+  0.4-    181104 807  0.4-  0.2+
    130608 291  0.0   0.1+    130615 807  0.1+  0.0     181104 807  0.6-  0.4+
    130608 291  0.1+  0.4+    130615 807  0.0   0.0     181104 807  0.5-  0.1-
    130608 104  0.7-  0.2-    130615 807  0.0   0.1-
    130608 104  0.6+  0.6+    130615 807  0.1+  0.2-
    
    Ephemeris:
    2013 LK7                 a,e,i = 1.12, 0.35, 22                  q = 0.7313
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 10 05    22 37 19.4 -68 55 59   0.5724  1.2628   103.5    50.4    21.7
    ...
    2018 10 20    22 02 40.9 -65 45 33   0.5750  1.1884    94.5    56.7    21.7
    ...
    2018 10 28    21 55 54.3 -63 11 47   0.5702  1.1454    90.0    60.2    21.7
    ...
    2018 11 03    21 54 39.9 -60 59 48   0.5628  1.1118    86.7    63.0    21.7
    2018 11 04    21 54 42.7 -60 36 31   0.5613  1.1061    86.1    63.5    21.7
    2018 11 05    21 54 49.2 -60 12 54   0.5596  1.1004    85.6    64.0    21.7
    ...
    2018 11 11    21 56 35.3 -57 43 42   0.5474  1.0655    82.3    67.1    21.7
    ...
    2018 11 19    22 00 56.4 -54 04 27   0.5248  1.0180    78.0    71.7    21.7
    ...
    2018 12 04    22 09 38.5 -45 54 36   0.4632  0.9280    69.2    83.0    21.6
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-V31
    

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