• MPC Preparation (Info)

  • MPEC 2018-R165: 2018 RD6

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    M.P.E.C. 2018-R165                               Issued 2018 Sept. 14, 20:04 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 RD6
    
    Observations:
         K18R06D* C2018 09 12.26114 23 39 20.67 +03 49 19.0          21.7 G ER165G96
         K18R06D  C2018 09 12.26632 23 39 21.44 +03 49 56.5          22.0 G ER165G96
         K18R06D  C2018 09 12.27151 23 39 22.18 +03 50 34.5                 ER165G96
         K18R06D  C2018 09 12.27670 23 39 22.88 +03 51 12.0          20.8 G ER165G96
         K18R06D  C2018 09 12.38540 23 39 38.04 +04 04 08.8          21.7 G ER165G96
         K18R06D  C2018 09 12.38691 23 39 38.28 +04 04 19.8          21.2 G ER165G96
         K18R06D  C2018 09 12.38766 23 39 38.38 +04 04 24.5          21.5 G ER165G96
         K18R06D  C2018 09 13.22861 23 42 29.31 +05 33 47.5          21.5 GUER165I52
         K18R06D  C2018 09 13.23243 23 42 29.71 +05 34 08.8                UER165I52
         K18R06D  C2018 09 13.23625 23 42 30.17 +05 34 31.2          21.6 GUER165I52
         K18R06D KC2018 09 14.19514823 44 57.44 +06 57 03.7          22.0 VuER165H21
         K18R06D KC2018 09 14.20123023 44 57.97 +06 57 32.3          22.1 VuER165H21
         K18R06D KC2018 09 14.21078423 44 58.78 +06 58 17.1          22.0 VuER165H21
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. M. Africano,
        E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        H. Groeller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
        R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
        Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
        A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski,
        S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector
        + CCD.
    
    Orbital elements:
    2018 RD6                                                 Earth MOID = 0.0092 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 295.32898              (2000.0)            P               Q
    n   0.48984502     Peri.  313.55188     +0.50721807     +0.86162327
    a   1.5937869      Node   346.89117     -0.76560760     +0.44073896
    e   0.4087803      Incl.    4.62998     -0.39569538     +0.25170321
    P   2.01           H   27.8           G   0.15           U   7
    Residuals in seconds of arc
    180912 G96  0.1-  0.1+    180912 G96  0.2+  0.5+    180914 H21  0.0   0.0
    180912 G96  0.2+  0.2-    180912 G96  0.1+  0.1-    180914 H21  0.0   0.0
    180912 G96  0.1+  0.0     180913 I52  0.4+  0.4+    180914 H21  0.3-  0.1+
    180912 G96  0.5-  0.2-    180913 I52  0.2-  0.5-
    180912 G96  0.2-  0.1+    180913 I52  0.2+  0.3-
    
    Ephemeris:
    2018 RD6                 a,e,i = 1.59, 0.41, 5                   q = 0.9423
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 15    12 17 10.6 -24 13 33   0.1102  0.9537    54.8   119.8    27.7
    ...
    2018 08 30    12 58 24.5 -39 07 01   0.03303 0.9932    59.0   119.4    25.2
    ...
    2018 09 07    22 47 52.7 -23 21 47   0.01680 1.0239   162.6    17.1    19.9
    ...
    2018 09 13    23 41 42.9 +05 12 40   0.04489 1.0505   169.7     9.9    21.8
    2018 09 14    23 44 26.1 +06 43 06   0.05008 1.0552   168.7    10.7    22.1
    2018 09 15    23 46 38.8 +07 56 01   0.05532 1.0600   168.1    11.3    22.3
    ...
    2018 09 21    23 54 16.8 +11 58 12   0.08781 1.0899   167.1    11.9    23.4
    ...
    2018 09 29    23 58 40.4 +13 51 24   0.1339  1.1328   167.2    11.3    24.4
    ...
    2018 10 14    00 04 06.3 +14 25 58   0.2317  1.2195   161.4    15.1    25.9
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R165
    

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