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  • MPEC 2021-X33 : 2021 WB6

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    Read MPEC 2021-X32 Read MPEC 2021-X34


    M.P.E.C. 2021-X33                              Issued 2021 December 2, 07:36 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 WB6                                 
    
    
    Observations:
         K21W06B* C2021 11 30.22483603 31 18.08 +10 32 24.0          21.17GVEX033G96
         K21W06B  C2021 11 30.23040303 31 18.22 +10 32 03.7          20.48GVEX033G96
         K21W06B  C2021 11 30.23597303 31 18.29 +10 31 43.7          20.77GVEX033G96
         K21W06B  C2021 11 30.24153403 31 18.37 +10 31 23.8          20.93GVEX033G96
         K21W06B  C2021 11 30.34200 03 31 20.19 +10 25 19.5          21.2 GVEX033V06
         K21W06B  C2021 11 30.34342 03 31 20.21 +10 25 14.6          21.8 GVEX033V06
         K21W06B  C2021 11 30.34484 03 31 20.25 +10 25 09.2                VEX033V06
         K21W06B HC2021 11 30.36702403 31 20.65 +10 23 48.9          21.10GVEX033G96
         K21W06B HC2021 11 30.37073003 31 20.73 +10 23 36.7          19.48GVEX033G96
         K21W06B HC2021 11 30.37261303 31 20.80 +10 23 28.8          19.81GVEX033G96
         K21W06B KC2021 12 01.16759803 31 44.38 +09 35 12.5          20.9 VuEX033H21
         K21W06B KC2021 12 01.17310303 31 44.50 +09 34 52.4          21.7 VuEX033H21
         K21W06B KC2021 12 01.17683703 31 45.21 +09 34 41.2          22.57GVEX033I52
         K21W06B KC2021 12 01.17831403 31 45.21 +09 34 35.4          21.34GVEX033I52
         K21W06B KC2021 12 01.17978103 31 45.24 +09 34 30.4          21.12GVEX033I52
         K21W06B KC2021 12 02.18699603 32 15.32 +08 32 48.2          21.95GVEX033I52
         K21W06B KC2021 12 02.18808203 32 15.31 +08 32 44.8          21.39GVEX033I52
         K21W06B KC2021 12 02.18916603 32 15.39 +08 32 40.4          21.12GVEX033I52
         K21W06B KC2021 12 02.19025203 32 15.42 +08 32 35.4          21.22GVEX033I52
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.  1.5-m reflector + 10K CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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, D. Rankin, R. L.
        Seaman, F. C. Shelly, K. W. Wierzchos.
    V06 Catalina Sky Survey-Kuiper.  Observer D. Rankin.  Measurers E. J.
        Christensen, B. Gray, D. Rankin, F. C. Shelly.  1.55-m reflector + CCD.
    
    Orbital elements:
    2021 WB6                                                 Earth MOID = 0.2746 AU
    Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Bell                    
    M   1.26821              (2000.0)            P               Q                  
    n   0.18729983     Peri.  227.77189     -0.23689902     -0.93761997             
    a   3.0253651      Node   237.65147     +0.95627623     -0.17880301             
    e   0.6084606      Incl.   17.52963     +0.17150694     -0.29815814             
    P   5.26           H   22.42          G   0.15           U   9                  
    Residuals in seconds of arc
    211130 G96  0.2-  0.1-    211130 G96  0.3-  0.3+    211201 I52  0.0   0.1+
    211130 G96  0.4+  0.3-    211130 G96  0.2-  1.5+    211202 I52  0.1+  0.1-
    211130 G96  0.0   0.2-    211130 G96  0.3+  0.5+    211202 I52  0.5-  0.5+
    211130 G96  0.3-  0.0     211201 H21  0.2-  0.1+    211202 I52  0.3+  0.1+
    211130 V06  0.1+  0.2-    211201 H21  0.1-  0.1+    211202 I52  0.4+  0.9-
    211130 V06  0.1-  0.1+    211201 I52  0.4+  0.1+
    211130 V06  0.1+  0.1-    211201 I52  0.0   0.3-
    
    Ephemeris:
    2021 WB6                 a,e,i = 3.03, 0.61, 18                  q = 1.1845
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 11 02    03 23 39.6 +30 40 44   0.4997  1.4709   159.6    13.6    22.5
    ...
    2021 11 17    03 27 14.6 +22 14 59   0.3885  1.3767   176.6     2.4    21.3
    ...
    2021 11 25    03 29 18.3 +15 35 10   0.3480  1.3317   170.7     6.9    21.3
    ...
    2021 12 01    03 31 39.3 +09 45 41   0.3269  1.3009   161.9    13.6    21.3
    2021 12 02    03 32 08.9 +08 44 32   0.3242  1.2961   160.5    14.7    21.4
    2021 12 03    03 32 40.5 +07 42 50   0.3217  1.2913   159.0    15.9    21.4
    ...
    2021 12 09    03 36 39.9 +01 26 48   0.3113  1.2645   150.1    22.8    21.5
    ...
    2021 12 17    03 44 34.7 -06 39 35   0.3085  1.2341   139.2    31.4    21.7
    ...
    2022 01 01    04 08 07.8 -18 51 56   0.3285  1.1957   123.3    43.4    22.1
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-X33
    


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