• MPC Preparation (Info)

  • MPEC 2018-R96 : 2018 RY2

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    M.P.E.C. 2018-R96                                Issued 2018 Sept. 10, 10:21 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 RY2
    
    Observations:
         K18R02Y* C2018 09 07.16295 21 26 44.14 -08 00 03.9          20.6 GVER096G96
         K18R02Y  C2018 09 07.16856 21 26 44.21 -08 00 11.8          21.0 GVER096G96
         K18R02Y  C2018 09 07.17420 21 26 44.27 -08 00 20.0          20.9 GVER096G96
         K18R02Y  C2018 09 07.17982 21 26 44.36 -08 00 27.4          20.5 GVER096G96
         K18R02Y  C2018 09 07.22568 21 26 45.09 -08 01 33.0          19.9 GVER096I52
         K18R02Y  C2018 09 07.22878 21 26 45.12 -08 01 36.8          19.8 GVER096I52
         K18R02Y  C2018 09 07.23294 21 26 45.23 -08 01 42.7          20.4 GVER096I52
         K18R02Y  C2018 09 07.23604 21 26 45.24 -08 01 47.1          19.9 GVER096I52
         K18R02Y KC2018 09 07.49193 21 26 50.87 -08 07 25.1          20.8 GVER096474
         K18R02Y KC2018 09 07.49545 21 26 50.93 -08 07 29.8          20.7 GVER096474
         K18R02Y KC2018 09 07.49897 21 26 50.99 -08 07 34.9          21.2 GVER096474
         K18R02Y KC2018 09 07.50249 21 26 51.08 -08 07 39.7          21.1 GVER096474
         K18R02Y  C2018 09 08.21310 21 27 08.66 -08 24 51.6          19.7 GVER096I52
         K18R02Y  C2018 09 08.21819 21 27 08.74 -08 24 59.1          19.8 GVER096I52
         K18R02Y  C2018 09 08.22327 21 27 08.85 -08 25 05.8          19.9 GVER096I52
         K18R02Y  C2018 09 08.22834 21 27 08.93 -08 25 13.1          19.9 GVER096I52
         K18R02Y KC2018 09 08.40881 21 27 13.73 -08 29 05.3          20.9 GVER096474
         K18R02Y KC2018 09 08.41092 21 27 13.77 -08 29 08.3          20.8 GVER096474
         K18R02Y KC2018 09 08.41303 21 27 13.81 -08 29 11.4          20.7 GVER096474
         K18R02Y KC2018 09 08.41514 21 27 13.85 -08 29 14.4          20.7 GVER096474
         K18R02Y  C2018 09 10.21287 21 28 04.21 -09 12 20.6                VER096I52
         K18R02Y  C2018 09 10.21416 21 28 04.27 -09 12 22.6                VER096I52
         K18R02Y  C2018 09 10.21745 21 28 04.26 -09 12 28.2          21.3 GVER096I52
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer B. M. Africano.  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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers J. A. Johnson,
        G. J. Leonard, R. A. Kowalski.  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 RY2
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 316.92886              (2000.0)            P               Q
    n   0.20118174     Peri.  203.28947     +0.97790920     -0.20560325
    a   2.8845429      Node   168.38397     +0.20879795     +0.95231115
    e   0.5347615      Incl.   10.78995     +0.00984974     +0.22545680
    P   4.90           H   20.9           G   0.15           U   7
    Residuals in seconds of arc
    180907 G96  0.5+  0.2-    180907 474  0.1-  0.2-    180908 474  0.1+  0.0
    180907 G96  0.2+  0.1-    180907 474  0.2-  0.1+    180908 474  0.1+  0.0
    180907 G96  0.3-  0.3-    180907 474  0.2-  0.0     180908 474  0.0   0.1-
    180907 G96  0.2-  0.3+    180907 474  0.3+  0.2+    180908 474  0.0   0.0
    180907 I52  0.1-  0.4-    180908 I52  0.1+  0.0     180910 I52  0.1+  0.4+
    180907 I52  0.3-  0.2+    180908 I52  0.1-  0.3-    180910 I52  0.5+  0.2+
    180907 I52  0.3+  0.2+    180908 I52  0.2+  0.2+    180910 I52  0.8-  0.7-
    180907 I52  0.2-  0.2+    180908 I52  0.0   0.1+
    
    Ephemeris:
    2018 RY2                 a,e,i = 2.88, 0.53, 11                  q = 1.3420
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 11    21 26 22.0 +00 23 34   0.5492  1.5492   164.1    10.3    21.2
    ...
    2018 08 26    21 24 47.8 -03 32 38   0.4788  1.4785   165.1    10.1    20.8
    ...
    2018 09 03    21 25 31.2 -06 23 24   0.4562  1.4455   159.8    14.0    20.8
    ...
    2018 09 09    21 27 29.0 -08 43 17   0.4457  1.4232   154.7    17.6    20.8
    2018 09 10    21 27 57.6 -09 07 03   0.4445  1.4197   153.9    18.2    20.8
    2018 09 11    21 28 29.0 -09 30 51   0.4435  1.4163   153.0    18.8    20.9
    ...
    2018 09 17    21 32 40.8 -11 52 42   0.4401  1.3972   147.7    22.6    20.9
    ...
    2018 09 25    21 41 18.4 -14 50 16   0.4429  1.3758   141.0    27.3    21.0
    ...
    2018 10 10    22 06 50.4 -19 04 58   0.4682  1.3494   130.2    34.4    21.3
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R96
    

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