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  • MPEC 2020-U209 : 2020 UT4

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    M.P.E.C. 2020-U209                             Issued 2020 October 24, 13:45 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
    
                                    2020 UT4                                 
    
    
    Observations:
         K20U04T* C2020 10 23.26523601 44 05.87 +14 31 43.1          19.74GVEU209G96
         K20U04T  C2020 10 23.27030001 43 57.51 +14 30 14.1          19.59GVEU209G96
         K20U04T  C2020 10 23.27536901 43 49.25 +14 28 45.4                VEU209G96
         K20U04T  C2020 10 23.28044001 43 40.95 +14 27 16.5          19.54GVEU209G96
         K20U04T KC2020 10 23.40448901 40 36.37 +13 53 19.1          19.82GVEU209I52
         K20U04T KC2020 10 23.40505301 40 35.61 +13 53 10.2          19.68GVEU209I52
         K20U04T KC2020 10 23.40561701 40 34.82 +13 53 01.2          19.70GVEU209I52
         K20U04T KC2020 10 23.40618101 40 34.05 +13 52 52.3          19.69GVEU209I52
         K20U04T KC2020 10 23.46576301 39 17.79 +13 37 52.3          19.80GVEU209I52
         K20U04T KC2020 10 23.46632801 39 17.18 +13 37 44.3          19.04GVEU209I52
         K20U04T KC2020 10 23.46689201 39 16.45 +13 37 36.6          19.39GVEU209I52
         K20U04T KC2020 10 23.87948501 33 24.38 +12 16 19.7          20.4 GVEU209J95
         K20U04T KC2020 10 23.88878501 33 16.55 +12 14 52.3          19.8 GVEU209J95
         K20U04T KC2020 10 23.89727401 33 09.40 +12 13 34.7          20.6 GVEU209J95
         K20U04T KC2020 10 23.90693001 33 01.21 +12 12 05.7          20.4 GVEU209J95
         K20U04T KC2020 10 24.28752301 28 51.47 +11 22 56.5          20.61GVEU209I52
         K20U04T KC2020 10 24.28922301 28 50.34 +11 22 44.8          20.53GVEU209I52
         K20U04T KC2020 10 24.29092401 28 49.26 +11 22 32.7          20.14GVEU209I52
         K20U04T KC2020 10 24.29262501 28 48.14 +11 22 21.1          20.45GVEU209I52
         K20U04T  C2020 10 24.34015001 28 17.61 +11 16 55.5                VEU209G96
         K20U04T  C2020 10 24.34528101 28 14.53 +11 16 20.9          20.70GVEU209G96
         K20U04T  C2020 10 24.35041801 28 11.24 +11 15 45.7          20.89GVEU209G96
         K20U04T  C2020 10 24.35563201 28 08.05 +11 15 10.6          21.23GVEU209G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers D. Rankin, 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.  1.5-m reflector +
        10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard, R. A.
        Kowalski.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2020 UT4                                                 Earth MOID = 0.0013 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
    M  93.86664              (2000.0)            P               Q
    n   0.82775928     Peri.   58.82817     +0.09938934     +0.99503553
    a   1.1233972      Node   216.87691     -0.91580993     +0.08946734
    e   0.5510363      Incl.    0.48738     -0.38911944     +0.04358776
    P   1.19           H   28.2           G   0.15           U   7
    Residuals in seconds of arc
    201023 G96  0.6+  0.5+    201023 I52  0.4-  0.2-    201024 I52  0.6-  0.4+
    201023 G96  0.2-  0.3+    201023 I52  0.7+  0.1+    201024 I52  0.0   0.1+
    201023 G96  0.1-  0.1+    201023 I52  0.0   0.6+    201024 I52  0.0   0.3+
    201023 G96  1.2-  0.6-    201023 J95  0.3-  0.1+    201024 G96  0.5-  0.2+
    201023 I52  0.3+  0.2+    201023 J95  0.4+  0.7-    201024 G96  1.2+  0.3+
    201023 I52  0.4+  0.1+    201023 J95  0.6+  0.2+    201024 G96  0.3-  0.2-
    201023 I52  0.0   0.1-    201023 J95  0.6-  0.1+    201024 G96  0.1-  0.2-
    201023 I52  0.2-  0.3-    201024 I52  0.4-  0.3+
    
    Ephemeris:
    2020 UT4                 a,e,i = 1.12, 0.55, 0                   q = 0.5044
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 09 24    13 01 48.9 -05 51 50   0.3123  0.7070    15.4   157.9
    ...
    2020 10 09    13 01 28.2 -05 23 58   0.1325  0.8664     1.1   178.7
    ...
    2020 10 17    12 52 39.2 -03 26 19   0.04822 0.9493    10.5   168.9
    ...
    2020 10 23    01 51 42.2 +16 07 14   0.01430 1.0092   175.3     4.7    19.4
    2020 10 24    01 31 48.5 +12 02 12   0.02440 1.0189   174.4     5.4    20.6
    2020 10 25    01 23 49.1 +10 19 39   0.03464 1.0286   171.4     8.4    21.5
    ...
    2020 10 31    01 12 20.5 +07 45 31   0.09696 1.0853   161.9    16.5    24.2
    ...
    2020 11 08    01 11 02.5 +07 15 57   0.1827  1.1570   153.4    22.6    25.9
    ...
    2020 11 23    01 16 28.5 +07 38 31   0.3551  1.2790   139.7    30.0    27.8
    
    M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-U209
    


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