• MPC Preparation (Info)

  • MPEC 2019-Y31 : 2019 YR

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    M.P.E.C. 2019-Y31                             Issued 2019 December 20, 20:47 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
    
                                     2019 YR                                 
    
    
    Observations:
         K19Y00R* C2019 12 19.12761 03 38 00.02 +19 01 09.7          19.1 GVEY031G96
         K19Y00R  C2019 12 19.13316 03 38 16.86 +19 03 45.2          19.0 GVEY031G96
         K19Y00R  C2019 12 19.13872 03 38 33.92 +19 06 22.5          18.9 GVEY031G96
         K19Y00R  C2019 12 19.14541 03 38 54.32 +19 09 31.5          18.8 GVEY031G96
         K19Y00R  C2019 12 19.19698 03 41 30.61 +19 33 24.0          18.3 GVEY031I52
         K19Y00R  C2019 12 19.19744 03 41 32.01 +19 33 36.8          18.2 GVEY031I52
         K19Y00R  C2019 12 19.19791 03 41 33.45 +19 33 49.7          18.5 GVEY031I52
         K19Y00R  C2019 12 19.19839 03 41 34.88 +19 34 03.5          18.7 GVEY031I52
         K19Y00R  C2019 12 19.35886 03 49 38.12 +20 44 53.8          18.6 GVEY031G96
         K19Y00R  C2019 12 19.35901 03 49 38.56 +20 44 57.6          18.4 GVEY031G96
         K19Y00R  C2019 12 19.35916 03 49 39.05 +20 45 02.1          18.9 GVEY031G96
         K19Y00R  C2019 12 19.35932 03 49 39.47 +20 45 05.4          18.6 GVEY031G96
         K19Y00R  C2019 12 19.69322 04 07 11.35 +22 59 46.9          18.2 VVEY031033
         K19Y00R  C2019 12 19.69362 04 07 12.53 +22 59 56.0          18.6 VVEY031033
         K19Y00R  C2019 12 19.69400 04 07 13.68 +23 00 05.2          17.9 VVEY031033
         K19Y00R  C2019 12 19.69439 04 07 14.84 +23 00 14.5          17.7 VVEY031033
         K19Y00R  C2019 12 19.82594 04 13 37.08 +23 50 33.9          18.4 VVEY031033
         K19Y00R  C2019 12 19.82639 04 13 38.37 +23 50 44.0          18.4 VVEY031033
         K19Y00R  C2019 12 19.82728 04 13 40.91 +23 51 03.8          18.5 VVEY031033
         K19Y00R  C2019 12 20.12759 04 27 42.72 +25 33 34.6          19.2 VVEY031033
         K19Y00R  C2019 12 20.12803 04 27 43.91 +25 33 43.0          19.3 VVEY031033
         K19Y00R  C2019 12 20.12848 04 27 45.18 +25 33 51.1          19.3 VVEY031033
         K19Y00R KC2019 12 20.14184304 28 43.34 +25 40 23.2          18.4 VuEY031H21
         K19Y00R KC2019 12 20.14296904 28 46.37 +25 40 45.4          19.2 VuEY031H21
         K19Y00R KC2019 12 20.14409504 28 49.40 +25 41 07.4          18.8 VuEY031H21
         K19Y00R KC2019 12 20.14516604 28 52.29 +25 41 28.1          18.8 VuEY031H21
         K19Y00R  C2019 12 20.16493 04 29 53.37 +25 48 14.6          18.3 GVEY031I52
         K19Y00R  C2019 12 20.16616 04 29 56.68 +25 48 38.5          18.3 GVEY031I52
         K19Y00R  C2019 12 20.16634 04 29 57.15 +25 48 42.8          18.4 GVEY031I52
         K19Y00R  C2019 12 20.16653 04 29 57.66 +25 48 45.6          18.1 GVEY031I52
         K19Y00R KC2019 12 20.84240604 59 35.50 +28 52 30.8          18.3 GVEY031J69
         K19Y00R KC2019 12 20.84900504 59 51.28 +28 54 04.4          18.1 GVEY031J69
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U. Laux,
        B. Stecklum, C. Hoegner.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen, 
       G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. 
       Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman,
        F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K 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.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.  Measurers 
       E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. 
       Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. 
       Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector + CCD.
    J69 North Observatory, Clanfield.  Observer D. Briggs.  0.41-m f/4.5 Newtonian 
       reflector + CCD.
    
    Orbital elements:
    2019 YR                                                  Earth MOID = 0.0090 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
    M  38.83663              (2000.0)            P               Q
    n   0.20954678     Peri.  331.70693     +0.53129882     -0.84263343
    a   2.8072562      Node    86.07594     +0.79290891     +0.45813444
    e   0.6590670      Incl.    5.04289     +0.29835722     +0.28298717
    P   4.70           H   25.6           G   0.15           U   6
    Residuals in seconds of arc
    191219 G96  0.5+  0.5+    191219 G96  0.5-  0.5-    191220 H21  0.0   0.4-
    191219 G96  1.1-  0.8-    191219 033  0.0   0.6+    191220 H21  0.0   0.2-
    191219 G96  0.3+  0.3-    191219 033  0.0   0.2+    191220 H21  0.0   0.1-
    191219 G96  0.5+  0.5+    191219 033  0.3+  0.4+    191220 H21  0.1+  0.2-
    191219 I52  0.2-  0.3-    191219 033  0.3+  0.5+    191220 I52  0.3-  0.0
    191219 I52  0.0   0.2-    191219 033  0.0   0.1-    191220 I52  0.1-  0.1-
    191219 I52  0.3+  0.2-    191219 033  0.1+  0.0     191220 I52  0.3-  0.7+
    191219 I52  0.0   0.4+    191219 033  0.1+  0.0     191220 I52  0.3-  0.2-
    191219 G96  0.1+  0.4-    191220 033  0.1+  0.4+    191220 J69  0.5+  0.3+
    191219 G96  0.1-  0.4-    191220 033  0.4-  0.5+    191220 J69  0.2+  1.0-
    191219 G96  0.4+  0.3+    191220 033  0.3-  0.1+
    
    Ephemeris:
    2019 YR                  a,e,i = 2.81, 0.66, 5                   q = 0.9571
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 11 20    21 25 51.4 -33 54 14   0.1726  0.9630    76.6    93.4    25.0
    ...
    2019 12 05    22 09 43.0 -31 04 40   0.08440 0.9627    71.9   103.3    23.9
    ...
    2019 12 13    23 32 56.9 -22 17 44   0.03858 0.9816    84.6    93.1    21.8
    ...
    2019 12 19    03 30 59.1 +18 02 01   0.02328 1.0038   148.3    31.0    18.8
    2019 12 20    04 21 53.4 +24 54 33   0.02579 1.0081   160.1    19.4    18.7
    2019 12 21    05 05 45.4 +29 30 01   0.02948 1.0126   167.7    11.9    18.7
    ...
    2019 12 27    07 15 04.6 +36 10 31   0.06204 1.0428   162.5    16.4    20.5
    ...
    2020 01 04    07 59 42.0 +36 04 03   0.1133  1.0909   160.8    17.2    22.0
    ...
    2020 01 19    08 18 47.0 +34 45 03   0.2214  1.1993   165.2    12.1    23.4
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y31
    


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