• MPC Preparation (Info)

  • MPEC 2021-L02 : 2021 KS2

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    M.P.E.C. 2021-L02                                  Issued 2021 June 1, 00:04 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
    
                                    2021 KS2                                 
    
    
    Observations:
         K21K02S* C2021 05 30.26577414 07 58.504+03 25 29.71         21.07wUEL002F51
         K21K02S  C2021 05 30.28943314 07 54.750+03 30 58.78         21.09wUEL002F51
         K21K02S  C2021 05 30.30130314 07 52.866+03 33 43.68         21.30wUEL002F51
         K21K02S |C2021 05 31.14508 14 06 01.15 +06 46 58.3          20.9 GVEL002807
         K21K02S |C2021 05 31.14826 14 06 00.67 +06 47 40.6          21.0 GVEL002807
         K21K02S KC2021 05 31.14839814 06 03.28 +06 46 32.6          20.87GVEL002I52
         K21K02S |C2021 05 31.15129 14 06 00.22 +06 48 20.6          20.9 GVEL002807
         K21K02S KC2021 05 31.15175314 06 02.82 +06 47 17.8          21.01GVEL002I52
         K21K02S KC2021 05 31.15510914 06 02.31 +06 48 02.3          21.39GVEL002I52
         K21K02S KC2021 05 31.15846714 06 01.84 +06 48 47.9          20.72GVEL002I52
         K21K02S bC2021 05 31.90596514 04 26.95 +09 32 50.4          21.3 GVEL002L01
         K21K02S bC2021 05 31.90908114 04 26.46 +09 33 30.3          21.4 GVEL002L01
         K21K02S IC2021 05 31.91219814 04 26.00 +09 34 10.0          21.5 GVEL002L01
         K21K02S IC2021 05 31.91571114 04 25.52 +09 34 55.4          21.4 GVEL002L01
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
        Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
        Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
        R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m
        reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 KS2                                                 Earth MOID = 0.0318 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 127.06070              (2000.0)            P               Q                  
    n   0.88310437     Peri.  114.01285     +0.88414912     +0.12423970             
    a   1.0759564      Node   241.75230     -0.19776099     +0.97289611             
    e   0.2018626      Incl.   30.74848     +0.42328588     +0.19503244             
    P   1.12           H   23.94          G   0.15           U   8                  
    Residuals in seconds of arc
    210530 F51 (0.1-  0.6+)   210531 I52  0.4-  0.1+    210531 L01  0.3+  0.5+
    210530 F51  0.2-  0.1+    210531 807  0.1+  0.5-    210531 L01  0.5-  0.1+
    210530 F51  0.0   0.2-    210531 I52  0.3+  0.2+    210531 L01  0.9-  0.5-
    210531 807  0.1+  0.5+    210531 I52  0.1+  0.3-    210531 L01  0.7-  0.4-
    210531 807  0.0   0.1+    210531 I52  0.6+  0.1+
    
    Ephemeris:
    2021 KS2                 a,e,i = 1.08, 0.20, 31                  q = 0.8588
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 05 02    15 48 36.8 -65 35 10   0.2686  1.1929   128.3    41.6    23.1
    ...
    2021 05 17    14 48 29.8 -44 53 55   0.1557  1.1517   152.6    23.8    21.3
    ...
    2021 05 25    14 21 22.3 -17 57 26   0.1253  1.1276   155.0    22.3    20.8
    ...
    2021 05 31    14 06 21.0 +06 13 33   0.1292  1.1086   134.7    40.5    21.3
    2021 06 01    14 04 16.6 +09 53 32   0.1321  1.1054   131.1    43.7    21.4
    2021 06 02    14 02 19.2 +13 22 23   0.1356  1.1021   127.6    46.8    21.6
    ...
    2021 06 08    13 52 49.1 +30 04 15   0.1648  1.0824   110.0    61.8    22.4
    ...
    2021 06 16    13 44 57.9 +43 25 22   0.2163  1.0555    94.6    73.6    23.3
    ...
    2021 07 01    13 37 36.7 +55 46 17   0.3185  1.0043    78.7    83.1    24.4
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-L02
    


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