• MPC Preparation (Info)

  • MPEC 2018-K16 : 2015 KK122

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    M.P.E.C. 2018-K16                                Issued 2018 May 19, 02:53 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
    
                                      2015 KK122
    
                              Revision to MPEC 2015-K117
    
    Additional Observations:
         K15KC2K  C2018 05 10.39786713 15 36.276-08 15 06.31         23.55GVEK016T12
         K15KC2K  C2018 05 10.40388313 15 35.844-08 15 01.50         23.67GVEK016T12
         K15KC2K  C2018 05 16.37868213 09 34.139-06 56 49.49         23.62GVEK016T12
         K15KC2K  C2018 05 16.38471613 09 33.775-06 56 44.94         23.59GVEK016T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. Hung.  Measurer
        D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180510 T12 44.5- 13.0+    180516 T12 43.1- 12.0+    MPO369260   +0.013 day
    
    Orbital elements:
    2015 KK122                                               Earth MOID = 0.1459 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 309.18808              (2000.0)            P               Q
    n   0.32000387     Peri.   83.92237     +0.54825206     +0.83461148
    a   2.1168946      Node   219.47755     -0.79665195     +0.50178706
    e   0.4656274      Incl.    4.81111     -0.25449039     +0.22722988
    P   3.08           H   22.4           G   0.15           U   0
    Residuals in seconds of arc
    150520 W84  0.1-  0.0     150704 807  0.0   0.2-    150723 H21  0.3+  0.0
    150520 W84  0.1-  0.1+    150704 807  0.5+  0.1-    150724 H21  0.2-  0.3-
    150520 W84  0.1-  0.1+    150710 291  0.2+  0.1+    150724 H21  0.0   0.4-
    150520 W84  0.1-  0.0     150710 291  0.2+  0.3+    150724 H21  0.2+  0.4-
    150520 W84  0.2-  0.1+    150710 291  0.1+  0.3+    150725 H21  0.3-  0.0
    150522 F51  0.2+  0.0     150715 H21  0.5+  0.1-    150725 H21  0.0   0.1+
    150522 F51  0.0   0.0     150715 H21  0.2-  1.0-    150725 H21  0.1-  0.2+
    150522 F51  0.1+  0.0     150716 H21  0.2+  0.2-    150802 204  0.1-  0.0
    150522 F51  0.1+  0.2+    150716 H21  0.1+  0.3+    150803 204  0.2+  0.1+
    150524 W84  0.3-  0.1-    150716 H21  0.2+  0.2+    150803 204  0.5-  0.0
    150524 W84  0.1-  0.1-    150718 H21  0.1-  0.2-    150830 705  0.3+  1.0-
    150524 W84  0.3-  0.1-    150718 H21  0.2-  0.2-    150830 705  0.6+  0.0
    150524 W84  0.2-  0.1-    150718 H21  0.0   0.1+    150830 705  0.5+  0.4+
    150524 W84  0.3-  0.1-    150718 F51  0.2-  0.4+    150901 705  0.9+  0.3-
    150527 807  0.1+  0.5-    150718 F51  0.1-  0.0     150901 705  0.3-  0.1-
    150527 807  0.1+  0.6-    150718 F51  0.1+  0.0     150901 705  0.0   0.0
    150527 807  0.0   0.7-    150719 H21  0.1-  0.2-    150906 H21  0.6+  0.7-
    150607 691  0.1+  0.7-    150719 H21  0.4-  0.3-    150906 H21  0.4+  0.4-
    150607 691  0.4+  0.7-    150719 H21  0.2-  0.4-    150906 H21  0.0   0.6-
    150607 691  0.5+  0.5-    150720 H21  0.6-  0.3-    150907 H21  0.1-  0.0
    150611 926  0.1-  0.2+    150720 H21  0.3-  0.6-    150907 H21  0.4-  0.2+
    150611 926  0.1-  0.3+    150720 H21  0.1+  0.0     150907 H21  0.1-  0.3+
    150611 926  0.1-  0.0     150723 H21  0.2-  0.1-    150908 H21  1.1-  0.0
    150619 691  0.3-  0.3+    150723 H21  0.1+  0.1-    150908 H21  0.2-  0.1-
    150619 691  0.2-  0.5+    150723 H21  0.2-  0.2-    150908 H21  0.2-  0.1+
    150619 691  0.4-  0.5+    150723 H21  0.1-  0.2+    180510 T12  0.0   0.0
    150619 705  0.4-  0.1+    150723 H21  0.1-  0.1+    180510 T12  0.0   0.1-
    150619 705  0.0   0.1+    150723 H21  0.0   0.4+    180516 T12  0.0   0.1+
    150619 705  0.2-  0.1-    150723 H21  0.1+  0.4+    180516 T12  0.1-  0.1+
    150704 807  0.4+  0.0     150723 H21  0.0   0.3+
    
    Ephemeris:
    2015 KK122               a,e,i = 2.12, 0.47, 5                   q = 1.1312
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 04 19    13 42 19.9 -12 56 54   0.7226  1.7265   177.8     1.3    23.1
    ...
    2018 05 04    13 23 12.0 -09 42 47   0.6502  1.6333   159.6    12.4    23.3
    ...
    2018 05 12    13 13 52.4 -07 53 30   0.6298  1.5837   149.0    19.2    23.4
    ...
    2018 05 18    13 08 10.3 -06 36 41   0.6214  1.5467   141.5    24.0    23.4
    2018 05 19    13 07 21.7 -06 24 38   0.6204  1.5405   140.2    24.8    23.5
    2018 05 20    13 06 35.9 -06 12 50   0.6197  1.5344   139.0    25.6    23.5
    ...
    2018 05 26    13 03 00.0 -05 08 05   0.6172  1.4978   132.0    30.2    23.5
    ...
    2018 06 03    13 01 02.1 -04 00 13   0.6185  1.4499   123.4    35.7    23.6
    ...
    2018 06 18    13 06 29.7 -02 55 48   0.6275  1.3639   109.9    44.5    23.8
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-K16
    

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