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  • MPEC 2020-B169 : 2020 BZ7

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    M.P.E.C. 2020-B169                             Issued 2020 January 25, 21:42 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 BZ7                                 
    
    
    Observations:
         K20B07Z  C2019 12 29.56761410 40 23.576+11 51 10.62         21.1 GVEB169F52
         K20B07Z  C2019 12 29.58042410 40 23.905+11 51 22.77         20.7 GVEB169F52
         K20B07Z  C2019 12 29.59404610 40 24.182+11 51 35.83         21.0 GVEB169F52
         K20B07Z  C2019 12 29.65025210 40 25.507+11 52 28.79         21.3 GVEB169F52
         K20B07Z* C2020 01 24.35117 10 38 49.26 +20 07 28.3          20.6 GVEB169G96
         K20B07Z  C2020 01 24.35632 10 38 49.07 +20 07 34.9          20.7 GVEB169G96
         K20B07Z  C2020 01 24.36147 10 38 48.88 +20 07 41.5          20.6 GVEB169G96
         K20B07Z  C2020 01 24.36662 10 38 48.69 +20 07 47.9          20.8 GVEB169G96
         K20B07Z  C2020 01 24.49608 10 38 44.11 +20 10 34.5          21.2 GVEB169I52
         K20B07Z  C2020 01 24.49897 10 38 44.03 +20 10 37.8          21.2 GVEB169I52
         K20B07Z  C2020 01 24.50151 10 38 43.90 +20 10 41.1          20.7 GVEB169I52
         K20B07Z  C2020 01 24.50448 10 38 43.79 +20 10 44.8          20.4 GVEB169I52
         K20B07Z KC2020 01 24.95563 10 38 29.30 +20 20 24.0          19.6 RoEB169K88
         K20B07Z KC2020 01 24.96022 10 38 29.13 +20 20 30.0          20.1 RoEB169K88
         K20B07Z KC2020 01 24.96480 10 38 28.95 +20 20 36.0          19.8 RoEB169K88
         K20B07Z  C2020 01 25.31400 10 38 17.12 +20 28 06.3          20.7 GVEB169I52
         K20B07Z  C2020 01 25.31652 10 38 17.02 +20 28 10.0          20.3 GVEB169I52
         K20B07Z  C2020 01 25.32155 10 38 16.87 +20 28 16.2          21.1 GVEB169I52
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T. 
       Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. 
       Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer H. Groeller.  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 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.
    K88 GINOP-KHK, Piszkesteto.  Observers V. Kecskemethy, C. Kalup.  Measurer K. 
       Sarneczky.  1.02-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2020 BZ7                                                 Earth MOID = 0.6301 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
    M  50.00307              (2000.0)            P               Q
    n   0.18260509     Peri.  297.09304     +0.39649131     -0.85883285
    a   3.0769998      Node   125.73342     +0.91798095     +0.36694269
    e   0.5167973      Incl.   23.55119     +0.01027703     +0.35743419
    P   5.40           H   18.3           G   0.15           U   6
    Residuals in seconds of arc
    191229 F52  0.2-  0.1-    200124 G96  0.1-  0.0     200124 K88  0.4+  0.3+
    191229 F52  0.3+  0.1-    200124 G96  0.2-  0.2-    200124 K88  0.3+  0.4+
    191229 F52  0.3-  0.1+    200124 I52  0.0   0.1+    200124 K88  0.0   0.5+
    191229 F52  0.2+  0.1+    200124 I52  0.3+  0.3-    200125 I52  0.2-  0.4-
    200124 G96  0.2+  0.1+    200124 I52  0.2-  0.2-    200125 I52  0.3-  0.0
    200124 G96  0.0   0.1+    200124 I52  0.3-  0.3-    200125 I52  0.2+  0.3-
    
    Ephemeris:
    2020 BZ7                 a,e,i = 3.08, 0.52, 24                  q = 1.4868
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 12 26    10 38 35.9 +10 57 19   1.2107  1.8697   116.5    28.1    21.3
    ...
    2020 01 10    10 42 50.9 +15 11 45   1.1522  1.9529   132.1    21.9    21.1
    ...
    2020 01 18    10 41 33.2 +17 52 43   1.1353  1.9984   141.0    18.0    21.0
    ...
    2020 01 24    10 39 00.4 +19 59 57   1.1314  2.0330   147.8    15.0    20.9
    2020 01 25    10 38 27.6 +20 21 24   1.1315  2.0388   148.9    14.4    20.9
    2020 01 26    10 37 52.9 +20 42 50   1.1319  2.0446   150.0    13.9    20.9
    ...
    2020 02 01    10 33 46.7 +22 50 32   1.1396  2.0795   156.2    11.0    20.9
    ...
    2020 02 09    10 26 59.5 +25 32 08   1.1648  2.1264   162.5     8.0    20.8
    ...
    2020 02 24    10 12 41.4 +29 38 58   1.2593  2.2149   160.0     8.8    21.1
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-B169
    


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