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  • MPEC 2021-B35 : 2021 BK

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    Read MPEC 2021-B34 Read MPEC 2021-B36


    M.P.E.C. 2021-B35                              Issued 2021 January 17, 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                     2021 BK                                 
    
    
    Observations:
         K21B00K*HC2021 01 17.23986307 05 59.21 +27 21 48.4                VEB035G96
         K21B00K HC2021 01 17.24500607 06 02.53 +27 19 05.2                VEB035G96
         K21B00K HC2021 01 17.25015607 06 05.84 +27 16 19.0                VEB035G96
         K21B00K mC2021 01 17.40461307 08 15.04 +25 26 34.5          18.64GVEB035G96
         K21B00K mC2021 01 17.40478707 08 15.25 +25 26 25.0          18.72GVEB035G96
         K21B00K mC2021 01 17.40496007 08 15.47 +25 26 14.8          19.06GVEB035G96
         K21B00K mC2021 01 17.40513407 08 15.60 +25 26 05.6          18.22GVEB035G96
         K21B00K KC2021 01 17.44963907 09 15.97 +24 42 25.1          18.60GVEB035I52
         K21B00K KC2021 01 17.45029807 09 17.01 +24 41 43.8          18.38GVEB035I52
         K21B00K KC2021 01 17.45095607 09 18.07 +24 41 02.0          18.37GVEB035I52
         K21B00K  C2021 01 17.76459 07 34 59.45 +14 00 48.4          16.5 RoEB035K88
         K21B00K  C2021 01 17.76482 07 35 01.10 +13 59 53.4          16.3 RoEB035K88
         K21B00K  C2021 01 17.76505 07 35 02.82 +13 58 59.1          16.3 RoEB035K88
         K21B00K  C2021 01 17.76575 07 35 07.91 +13 56 13.3          16.8 RoEB035K88
         K21B00K  C2021 01 17.76644 07 35 12.92 +13 53 28.3          16.2 RoEB035K88
         K21B00K  C2021 01 17.76667 07 35 14.61 +13 52 33.4          16.4 RoEB035K88
         K21B00K  C2021 01 17.76736 07 35 19.65 +13 49 48.8          16.6 RoEB035K88
         K21B00K KC2021 01 17.82302707 44 16.80 +09 21 54.8          16.7 GVEB035I93
         K21B00K KC2021 01 17.82419507 44 28.92 +09 15 08.0          17.1 GVEB035I93
         K21B00K KC2021 01 17.82536307 44 41.24 +09 08 17.7          17.3 GVEB035I93
         K21B00K NC2021 01 17.83096007 45 00.36 +08 35 39.9          17.5 GVEB035L01
         K21B00K KC2021 01 17.83225707 45 14.00 +08 27 38.8          17.3 GVEB035L01
         K21B00K KC2021 01 17.83269207 45 18.61 +08 24 56.8          17.4 GVEB035L01
         K21B00K KC2021 01 17.83312707 45 23.21 +08 22 13.8          17.4 GVEB035L01
         K21B00K KC2021 01 17.83356207 45 27.84 +08 19 30.2          17.3 GVEB035L01
         K21B00K KC2021 01 17.83444507 45 37.26 +08 13 56.7          17.3 GVEB035L01
         K21B00K KC2021 01 17.83984907 46 34.85 +07 38 20.4          16.8 GVEB035595
         K21B00K KC2021 01 17.84883707 48 17.27 +06 37 08.8          16.9 GVEB035595
         K21B00K KC2021 01 17.84954807 48 25.68 +06 32 06.8          17.1 GVEB035595
    
    Observer details:
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer 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, 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.  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.  1.0-m reflector +
        CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 BK                                                  Earth MOID = 0.0007 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 324.26730              (2000.0)            P               Q                  
    n   0.49338422     Peri.  236.15299     -0.99189253     -0.11221925             
    a   1.5861559      Node   297.33939     +0.12695034     -0.89616804             
    e   0.4652148      Incl.    3.84922     -0.00572900     -0.42928975             
    P   2.00           H   30.28          G   0.15           U   6                  
    Residuals in seconds of arc
    210117 G96  0.1-  0.6-    210117 K88  0.0+  1.0+    210117 L01  0.4-  0.6-
    210117 G96  0.2+  0.1+    210117 K88  0.3-  0.2+    210117 L01  0.5-  0.6-
    210117 G96  0.0+  0.8+    210117 K88  0.5+  0.3+    210117 L01  0.3-  0.2-
    210117 G96  0.0-  0.5+    210117 K88  0.4+  0.3+    210117 L01  0.5-  0.2-
    210117 G96  0.0+  0.5+    210117 K88  0.1-  0.5-    210117 L01  0.4-  0.4-
    210117 G96  0.2+  0.3-    210117 K88  0.0+  0.5-    210117 L01  0.5-  0.5-
    210117 G96  0.8-  0.0+    210117 K88  0.3-  0.1+    210117 595  0.6+  0.8+
    210117 I52  0.4-  0.5-    210117 I93  0.1+  0.7-    210117 595  0.5-  0.2+
    210117 I52  0.1-  0.0+    210117 I93  0.8-  0.6-    210117 595  0.2+  0.5-
    210117 I52  0.5+  0.1+    210117 I93  0.0+  0.6-
    
    Ephemeris:
    2021 BK                  a,e,i = 1.59, 0.47, 4                   q = 0.8483
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 12 18    06 48 12.4 +33 13 44   0.2169  1.1929   162.7    14.2    28.1
    ...
    2021 01 02    06 49 27.1 +33 56 11   0.1060  1.0875   169.0     9.9    26.2
    ...
    2021 01 10    06 49 41.8 +33 52 20   0.05230 1.0342   165.8    13.5    24.7
    ...
    2021 01 16    06 54 49.4 +31 48 52   0.01331 0.9965   163.4    16.4    21.8
    2021 01 17    07 01 37.1 +29 04 14   0.0068680.9904   165.3    14.6    20.3
    2021 01 18    08 47 57.4 -25 20 23   0.0008260.9844   132.6    47.4    16.6
    ...
    2021 01 24    18 52 08.1 -32 53 29   0.03851 0.9495    24.8   154.2    32.4
    ...
    2021 02 01    18 56 08.2 -32 02 59   0.09138 0.9084    31.3   145.7    32.6
    ...
    2021 02 16    19 09 57.2 -30 47 35   0.1968  0.8540    42.8   128.2    31.9
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-B35
    


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