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  • MPEC 2021-X134 : 2020 XV3

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    M.P.E.C. 2021-X134                             Issued 2021 December 6, 14:04 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
    
                                    2020 XV3                                 
    
    
                               Revision to MPEC 2020-X130                           
    
    Additional Observations:
         K20X03V KC2021 12 01.34910806 06 03.86 -11 26 40.3          20.89GVEX134I52
         K20X03V KC2021 12 01.35022806 06 03.45 -11 26 33.5          20.61GVEX134I52
         K20X03V KC2021 12 01.35134906 06 03.07 -11 26 27.1          20.67GVEX134I52
         K20X03V KC2021 12 01.35247006 06 02.66 -11 26 20.5          20.66GVEX134I52
         K20X03V mC2021 12 05.27158105 42 09.26 -04 23 18.7          20.45GVEX134I52
         K20X03V mC2021 12 05.27204605 42 09.00 -04 23 15.3          20.44GVEX134I52
         K20X03V mC2021 12 05.27251205 42 08.83 -04 23 12.4          20.44GVEX134I52
         K20X03V mC2021 12 05.27297805 42 08.66 -04 23 08.8          20.20GVEX134I52
    
    Observer details:
    I52 Steward Observatory, Mt. Lemmon Station.  Observers D. Rankin, D. C. Fuls.
        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, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    211201 I52 0.23- 0.19-    211205 I52 0.26- 0.19-    MPO600179    +360 days
    
    Orbital elements:
    2020 XV3                                                 Earth MOID = 0.1868 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
    M 189.95420              (2000.0)            P               Q                  
    n   0.99912804     Peri.  196.88492     +0.11621836     +0.84916387             
    a   0.9909581      Node    82.21641     -0.84059349     +0.36038323             
    e   0.1968271      Incl.   31.33052     -0.52905187     -0.38606302             
    P   0.99           H   22.79          G   0.15           U   1                  
    Residuals in seconds of arc
    201209 F51  0.2-  0.1+    201212 691  0.1+  0.6-    201219 I52  0.0   0.1+
    201209 F51  0.0   0.1+    201212 691  0.2-  0.0     201219 I52  0.7+  0.0
    201210 F51  0.0   0.0     201212 691  0.6+  0.1+    201219 I52  0.5+  0.4-
    201210 F51  0.1+  0.0     201214 I52  0.5-  0.1-    201219 I52  0.0   0.2+
    201210 F51  0.1+  0.0     201214 I52  0.1+  0.2+    201222 V06  0.3+  0.0
    201210 J04  0.1-  0.0     201214 I52  0.2+  0.1+    201222 V06  0.3+  0.1+
    201210 J04  0.2+  0.0     201214 I52  0.0   0.4-    201222 V06  0.2-  0.5+
    201210 J04  0.1+  0.0     201216 807  0.0   0.1-    201222 V06  0.1+  0.0
    201211 807  0.1+  0.4-    201216 807  0.1+  0.1+    211201 I52  0.0   0.0
    201211 807  0.0   0.1-    201216 807  0.1+  0.1+    211201 I52  0.1-  0.3+
    201211 807  0.1-  0.1+    201216 I52  0.1-  0.1+    211201 I52  0.2+  0.0
    201211 H21  0.2+  0.0     201216 I52  0.3-  0.4+    211201 I52  0.1+  0.1+
    201211 H21  0.1-  0.0     201216 I52  0.1-  0.1+    211205 I52  0.6+  0.0
    201211 H21  0.0   0.2+    201216 I52  0.2-  0.3-    211205 I52  0.5-  0.1+
    201212 I52  0.3+  0.5+    201217 I52  0.4-  0.4-    211205 I52  0.3-  0.3-
    201212 I52  0.0   0.4-    201217 I52  0.0   0.4+    211205 I52  0.1-  0.0
    201212 I52  0.1-  0.2+    201217 I52  0.6-  0.2-
    201212 I52  0.1-  0.1+    201217 I52  0.5-  0.5-
    
    Ephemeris:
    2020 XV3                 a,e,i = 0.99, 0.20, 31                  q = 0.7959
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 11 06    07 28 01.9 -31 41 12   0.3663  1.0984    97.1    63.6    23.1
    ...
    2021 11 21    06 53 12.7 -23 49 07   0.2661  1.1330   116.8    51.1    22.1
    ...
    2021 11 29    06 18 49.2 -15 00 42   0.2196  1.1481   133.2    38.8    21.3
    ...
    2021 12 05    05 43 53.7 -04 54 44   0.1955  1.1578   149.2    25.8    20.7
    2021 12 06    05 37 22.4 -02 56 10   0.1929  1.1593   152.1    23.5    20.6
    2021 12 07    05 30 41.1 -00 53 33   0.1907  1.1608   154.9    21.1    20.6
    ...
    2021 12 13    04 48 13.0 +12 04 34   0.1885  1.1686   166.6    11.3    20.2
    ...
    2021 12 21    03 52 27.7 +27 19 44   0.2139  1.1769   152.0    23.1    20.9
    ...
    2022 01 05    02 40 35.5 +42 29 18   0.3161  1.1852   122.9    44.1    22.4
    
    A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-X134
    


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