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  • MPEC 2024-A126 : 2020 DY1

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    M.P.E.C. 2024-A126                             Issued 2024 January 11, 14:10 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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 DY1                                 
    
    
                               Revision to MPEC 2020-D71                            
    
    Additional Observations:
         K20D01Y KC2024 01 02.59031608 34 25.825+18 02 13.26         22.77GVEA126F51
         K20D01Y 0C2024 01 05.55810708 32 45.024+18 02 36.92         23.53GVEA126T12
         K20D01Y KC2024 01 09.32218608 29 57.811+18 04 39.29         22.74GVEA126V06
         K20D01Y KC2024 01 09.33345708 29 57.188+18 04 40.37         22.62GVEA126V06
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer K. W. Wierzchos.  Measurers E. C.
        Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector +
        1K CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    240102 F51 0.04- 0.01-    240109 V06 0.05- 0.01-    MPO554968   +0.06 days
    
    Orbital elements:
    2020 DY1                                            PHA, Earth MOID = 0.0125 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 305.67487              (2000.0)            P               Q                  
    n   0.24351498     Peri.  291.13820     -0.86135902     +0.50748646             
    a   2.5397186      Node   279.36464     -0.45710023     -0.79382982             
    e   0.6311197      Incl.    1.32194     -0.22163038     -0.33509955             
    P   4.05           H   21.92          G   0.15           U   0                  
    Residuals in seconds of arc
    200123 F52  0.3+  0.0     200219 H21  0.2-  0.0     200229 807  0.1+  0.1+
    200123 F52  0.4-  0.2+    200219 I93  0.3+  0.3+    200302 807  0.0   0.2-
    200123 F52  0.1+  0.1+    200219 I93  0.0   0.2-    200302 807  0.0   0.2-
    200129 F52  0.2-  0.1+    200219 I93  0.0   0.2-    200302 807  0.1+  0.1-
    200218 G96  0.1+  0.0     200219 033  0.3-  0.7-    200302 807 (0.2-  0.8-)
    200218 G96  0.2+  0.1-    200220 033  0.2+  0.1-    200303 807  0.1-  0.0
    200218 G96  0.0   0.1-    200220 033  0.1-  0.2-    200303 807  0.2+  0.1+
    200218 G96  0.2-  0.1-    200220 033  0.3+  0.3-    200305 I52  0.0   0.5-
    200218 I52  0.2+  0.1-    200220 033  0.5+  0.5-    200305 I52  0.1-  0.1-
    200218 I52  0.2+  0.5-    200220 033  0.1+  0.2-    200305 I52  0.3-  0.0
    200218 I52  0.3-  0.0     200220 I52  0.4-  0.5+    200313 807  0.2+  0.0
    200218 I52  0.4-  0.1+    200220 I52  0.3-  0.3+    200313 807  0.6-  0.1+
    200219 L01  0.2+  0.2+    200220 I52  0.0   0.1+    200313 807  0.2-  0.5+
    200219 L01  0.4-  0.3+    200220 I52  0.2-  0.6-    200629 F51  0.0   0.1+
    200219 L01  0.3+  0.2+    200222 807  0.1+  0.1-    200629 F51  0.1+  0.0
    200219 J95  0.2-  0.1+    200222 807  0.2+  0.2-    200629 F51  0.0   0.0
    200219 J95  0.1-  0.1-    200225 T12  0.0   0.0     240102 F51  0.1+  0.1-
    200219 J95  0.1-  0.4-    200225 T12  0.0   0.0     240105 T12  0.0   0.0
    200219 H21  0.1+  0.2-    200229 807  0.4+  0.3+    240109 V06  0.1+  0.0
    200219 H21  0.1-  0.0     200229 807  0.1+  0.1+    240109 V06  0.1+  0.5+
    
    Ephemeris:
    2020 DY1                 a,e,i = 2.54, 0.63, 1                   q = 0.9369
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 12 12    08 35 00.0 +18 30 02   1.0532  1.8686   132.9    22.7    24.5
    ...
    2023 12 27    08 36 38.4 +18 05 17   0.8282  1.7408   147.7    17.6    23.6
    ...
    2024 01 04    08 33 41.7 +18 02 17   0.7230  1.6715   156.5    13.5    23.1
    ...
    2024 01 10    08 29 22.6 +18 05 16   0.6517  1.6192   163.6     9.8    22.7
    2024 01 11    08 28 28.1 +18 06 12   0.6405  1.6104   164.9     9.2    22.6
    2024 01 12    08 27 30.3 +18 07 15   0.6294  1.6017   166.1     8.5    22.5
    ...
    2024 01 18    08 20 33.7 +18 15 47   0.5673  1.5490   173.8     4.0    22.0
    ...
    2024 01 26    08 08 16.3 +18 31 35   0.4956  1.4788   174.8     3.5    21.6
    ...
    2024 02 10    07 37 42.4 +19 01 20   0.3937  1.3482   152.5    19.7    21.5
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-A126
    


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