[Iaude] MPEC Y118: 2020 YU3 [a=1.43,e=0.54,i=28.6,H=23.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 24 17:36:48 EST 2020


M.P.E.C. 2020-Y118                            Issued 2020 December 24, 22:35 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2020 YU3                                    


Observations:
     K20Y03U* C2020 12 23.31746806 44 36.83 +15 50 48.4          18.93GVEY118G96
     K20Y03U  C2020 12 23.32255706 44 33.73 +15 52 22.4          18.62GVEY118G96
     K20Y03U  C2020 12 23.33275206 44 27.44 +15 55 31.2          19.07GVEY118G96
     K20Y03U mC2020 12 23.40149806 43 45.46 +16 16 31.7          18.99GVEY118V06
     K20Y03U mC2020 12 23.40173306 43 45.33 +16 16 35.8          18.82GVEY118V06
     K20Y03U mC2020 12 23.40196806 43 45.18 +16 16 40.2          18.88GVEY118V06
     K20Y03U mC2020 12 23.40220406 43 45.03 +16 16 44.5          18.82GVEY118V06
     K20Y03U mC2020 12 23.45972006 43 10.44 +16 34 05.8          19.36GVEY118I52
     K20Y03U mC2020 12 23.46002506 43 10.27 +16 34 11.4          18.32GVEY118I52
     K20Y03U mC2020 12 23.46063506 43 09.88 +16 34 22.4          18.74GVEY118I52
     K20Y03U mC2020 12 23.48068806 42 57.97 +16 40 21.5                VEY118V06
     K20Y03U mC2020 12 23.48092406 42 57.84 +16 40 26.6          18.79GVEY118V06
     K20Y03U mC2020 12 23.48116006 42 57.73 +16 40 31.1          18.81GVEY118V06
     K20Y03U mC2020 12 23.48139506 42 57.57 +16 40 35.4          19.30GVEY118V06
     K20Y03U KC2020 12 24.24524606 36 02.95 +20 16 54.9          20.19GVEY118I52
     K20Y03U KC2020 12 24.24697706 36 01.98 +20 17 23.4          19.23GVEY118I52
     K20Y03U KC2020 12 24.24870606 36 01.01 +20 17 50.2          19.30GVEY118I52
     K20Y03U KC2020 12 24.25043206 36 00.04 +20 18 19.5          19.91GVEY118I52
     K20Y03U KC2020 12 24.88005706 30 36.53 +22 56 50.9          19.1 GVEY118J95
     K20Y03U KC2020 12 24.88576706 30 33.57 +22 58 13.3          19.1 GVEY118J95
     K20Y03U KC2020 12 24.89158106 30 30.62 +22 59 37.2          19.1 GVEY118J95
     K20Y03U KC2020 12 24.89764306 30 27.45 +23 01 05.0          19.1 GVEY118J95

Observer details:
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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, K. W.
    Wierzchos.  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.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 YU3                                                 Earth MOID = 0.0549 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M  31.70479              (2000.0)            P               Q                  
n   0.57429625     Peri.  261.82998     +0.87669548     +0.06084814             
a   1.4334374      Node    93.68997     +0.10949438     +0.94068771             
e   0.5425539      Incl.   28.56616     -0.46841864     +0.33377259             
P   1.72           H   23.54          G   0.15           U   8                  
Residuals in seconds of arc
201223 G96  0.1+  0.1+    201223 I52  0.1+  0.0+    201224 I52  0.3-  0.8-
201223 G96  0.4+  0.1-    201223 I52  0.3-  0.1+    201224 I52  0.3-  0.8+
201223 G96  0.1+  0.2+    201223 V06  0.2-  1.1-    201224 J95  0.3+  0.2+
201223 V06  0.0+  0.1+    201223 V06  0.2-  0.3-    201224 J95  0.0-  0.0+
201223 V06  0.1+  0.2-    201223 V06  0.3+  0.0+    201224 J95  0.5+  0.1-
201223 V06  0.2+  0.1-    201223 V06  0.0-  0.1+    201224 J95  0.1-  0.2+
201223 V06  0.0-  0.0+    201224 I52  0.2-  0.6-
201223 I52  0.1-  0.1-    201224 I52  0.3-  0.1+

Ephemeris:
2020 YU3                 a,e,i = 1.43, 0.54, 29                  q = 0.6557
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 24    14 19 00.1 -65 04 41   0.2998  0.8153    47.5   116.8    25.1
...
2020 12 09    10 56 37.8 -62 38 17   0.1376  0.9483    70.7   101.5    22.8
...
2020 12 17    08 08 36.4 -29 15 21   0.08071 1.0224   116.3    59.6    20.3
...
2020 12 23    06 47 44.3 +14 10 38   0.09677 1.0779   166.4    12.4    19.4
2020 12 24    06 38 12.8 +19 10 31   0.1045  1.0871   172.2     7.0    19.3
2020 12 25    06 29 34.7 +23 25 50   0.1130  1.0963   176.6     3.1    19.3
...
2020 12 31    05 52 13.2 +38 28 12   0.1756  1.1510   161.4    15.8    20.9
...
2021 01 08    05 26 43.5 +45 57 25   0.2730  1.2224   147.5    25.6    22.3
...
2021 01 23    05 14 34.1 +49 56 04   0.4749  1.3502   132.3    32.6    24.0

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y118




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