• MPC Preparation (Info)

  • MPEC 2018-P107: 2018 PN21

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    M.P.E.C. 2018-P107                               Issued 2018 Aug. 14, 18:20 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
    
                                       2018 PN21
    
    Observations:
         K18P21N* C2018 08 12.45405 00 04 24.850+29 42 06.09         20.3 wUEP107F51
         K18P21N  C2018 08 12.46622 00 04 28.860+29 44 27.15         20.6 wUEP107F51
         K18P21N  C2018 08 12.47836 00 04 32.850+29 46 47.64         20.5 wUEP107F51
         K18P21N  C2018 08 12.49051 00 04 36.818+29 49 07.59         20.4 wUEP107F51
         K18P21N KC2018 08 12.99815500 07 44.71 +31 23 53.2          20.3 GVEP107L01
         K18P21N KC2018 08 13.00098400 07 45.68 +31 24 25.0          20.2 GVEP107L01
         K18P21N KC2018 08 13.00410300 07 46.76 +31 25 00.0          20.4 GVEP107L01
         K18P21N KC2018 08 13.00722800 07 47.78 +31 25 35.2          20.3 GVEP107L01
         K18P21N KC2018 08 13.26834 00 09 26.83 +32 13 53.8          20.8 GUEP107734
         K18P21N KC2018 08 13.27432 00 09 28.88 +32 15 00.3          20.8 GUEP107734
         K18P21N KC2018 08 13.28555 00 09 32.80 +32 17 07.1          20.6 GUEP107734
         K18P21N KC2018 08 13.32424700 09 45.06 +32 24 16.9          20.4 VuEP107H21
         K18P21N KC2018 08 13.32919800 09 46.75 +32 25 11.6          20.1 VuEP107H21
         K18P21N KC2018 08 13.33762600 09 49.57 +32 26 44.4          20.1 VuEP107H21
         K18P21N _C2018 08 13.53361100 11 02.862+33 02 58.86         20.6 GUEP107568
         K18P21N _C2018 08 13.53455900 11 03.177+33 03 09.25         20.5 GUEP107568
         K18P21N _C2018 08 13.53550500 11 03.488+33 03 19.52         20.5 GUEP107568
         K18P21N KC2018 08 14.08279 00 14 30.70 +34 40 12.0          20.3 RqEP107J95
         K18P21N KC2018 08 14.09242 00 14 34.12 +34 41 54.0          20.2 RqEP107J95
         K18P21N KC2018 08 14.10211 00 14 37.49 +34 43 37.2          19.9 RqEP107J95
         K18P21N KC2018 08 14.36178100 16 15.72 +35 29 18.5          20.7 VuEP107H21
         K18P21N KC2018 08 14.36672200 16 17.41 +35 30 09.8          20.7 VuEP107H21
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    734 Farpoint Observatory.  Observer G. Hug.  0.69-m reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
        1.8-m Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
        astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Hrzenjak,
        E. Pettarin, A. Dragovic.  Measurer E. Pettarin.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2018 PN21                                                Earth MOID = 0.0616 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 291.85951              (2000.0)            P               Q
    n   0.41715849     Peri.   33.66357     +0.96190499     +0.23131625
    a   1.7739253      Node   312.25086     -0.27338368     +0.81467811
    e   0.4151465      Incl.   11.35287     +0.00040513     +0.53178226
    P   2.36           H   23.7           G   0.15           U   6
    Residuals in seconds of arc
    180812 F51  0.1-  0.2-    180813 734  0.1+  0.1-    180813 568  0.0   0.1-
    180812 F51  0.0   0.0     180813 734  0.0   0.4-    180814 J95  0.5-  0.1-
    180812 F51  0.1+  0.2+    180813 734  0.8+  1.0+    180814 J95  0.2+  0.3-
    180812 F51  0.1+  0.1+    180813 H21  0.2-  0.2+    180814 J95  0.1+  0.4+
    180812 L01  0.0   0.0     180813 H21  0.1+  0.2+    180814 H21  0.4+  0.0
    180813 L01  0.1+  0.1-    180813 H21  0.2-  0.1+    180814 H21  0.4+  0.0
    180813 L01  0.3+  0.2-    180813 568  0.0   0.1-
    180813 L01  0.3-  0.1-    180813 568  0.0   0.1-
    
    Ephemeris:
    2018 PN21                a,e,i = 1.77, 0.42, 11                  q = 1.0375
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 07 15    21 55 53.6 -37 09 48   0.1708  1.1622   146.1    29.2    21.5
    ...
    2018 07 30    22 52 52.3 -13 57 42   0.1010  1.1012   146.8    30.3    20.2
    ...
    2018 08 07    23 32 42.6 +11 03 33   0.08529 1.0758   134.5    42.2    20.2
    ...
    2018 08 13    00 07 42.6 +31 24 32   0.08860 1.0606   120.2    55.7    20.6
    2018 08 14    00 13 57.9 +34 25 56   0.09033 1.0584   117.9    57.8    20.7
    2018 08 15    00 20 20.2 +37 17 56   0.09233 1.0563   115.8    59.7    20.8
    ...
    2018 08 21    01 00 42.7 +51 02 06   0.1089  1.0460   105.5    68.8    21.4
    ...
    2018 08 29    01 57 46.9 +61 39 05   0.1380  1.0384    98.1    74.3    22.1
    ...
    2018 09 13    03 33 58.6 +69 17 36   0.1965  1.0437    95.5    73.7    22.8
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P107
    

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