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  • MPEC 2021-V28 : 2021 UQ7

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    M.P.E.C. 2021-V28                              Issued 2021 November 2, 11:57 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 UQ7                                 
    
    
    Observations:
         K21U07Q* C2021 10 31.81242 00 39 04.67 +19 38 14.5          20.2 RoEV028K88
         K21U07Q  C2021 10 31.81538 00 39 06.85 +19 39 30.8          20.1 RoEV028K88
         K21U07Q KC2021 10 31.83770 00 39 23.03 +19 49 00.9          19.9 RoEV028K88
         K21U07Q KC2021 10 31.84011 00 39 24.78 +19 50 04.0          20.2 RoEV028K88
         K21U07Q KC2021 10 31.84252 00 39 26.57 +19 51 04.3          20.2 RoEV028K88
         K21U07Q KC2021 10 31.84941 00 39 31.54 +19 54 01.8          20.3 RoEV028K88
         K21U07Q KC2021 10 31.85279 00 39 34.05 +19 55 28.0          20.2 RoEV028K88
         K21U07Q 1C2021 10 31.87784 00 39 54.29 +20 05 54.2          21.7 VVEV028033
         K21U07Q 1C2021 10 31.87847 00 39 54.72 +20 06 10.4          21.8 VVEV028033
         K21U07Q 1C2021 10 31.87910 00 39 55.21 +20 06 26.7          21.5 VVEV028033
         K21U07Q KC2021 10 31.94668100 40 48.24 +20 35 12.3          20.7 GVEV028J95
         K21U07Q KC2021 10 31.95203400 40 52.19 +20 37 29.6                VEV028J95
         K21U07Q KC2021 10 31.95777300 40 56.52 +20 39 56.2          20.6 GVEV028J95
         K21U07Q KC2021 10 31.96295700 41 00.42 +20 42 07.6          20.2 GVEV028J95
         K21U07Q KC2021 11 01.08599800 42 54.03 +21 35 34.8          20.2 VuEV028H21
         K21U07Q KC2021 11 01.08792700 42 55.49 +21 36 24.9          20.2 VuEV028H21
         K21U07Q KC2021 11 01.08985600 42 56.98 +21 37 14.7          20.4 VuEV028H21
         K21U07Q KC2021 11 01.12925400 43 33.23 +21 54 34.5          20.12GVEV028I52
         K21U07Q KC2021 11 01.12974800 43 33.60 +21 54 47.3          20.34GVEV028I52
         K21U07Q KC2021 11 01.77815400 53 10.02 +26 32 26.2          19.5 GVEV028B49
         K21U07Q KC2021 11 01.77855300 53 10.34 +26 32 36.7          19.2 GVEV028B49
         K21U07Q KC2021 11 01.89136 00 54 43.34 +27 21 19.7          20.4 GVEV028204
         K21U07Q KC2021 11 01.90947 00 54 58.61 +27 29 05.5                VEV028204
         K21U07Q KC2021 11 02.04393100 56 57.91 +28 25 52.5          20.1 GVEV028J95
         K21U07Q KC2021 11 02.04980600 57 03.14 +28 28 21.1          20.1 GVEV028J95
         K21U07Q KC2021 11 02.05631100 57 08.95 +28 31 05.8          20.2 GVEV028J95
         K21U07Q KC2021 11 02.06222800 57 14.26 +28 33 35.0          20.4 GVEV028J95
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
        f/3 Schmidt + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4.0 reflector
        + 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 K. W. Wierzchos.
        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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
    
    Orbital elements:
    2021 UQ7                                                 Earth MOID = 0.0268 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 316.58813              (2000.0)            P               Q                  
    n   0.35407235     Peri.    7.84673     +0.74195048     -0.66704741             
    a   1.9788280      Node    34.30276     +0.60844204     +0.62760995             
    e   0.4851319      Incl.    6.87975     +0.28161636     +0.40143928             
    P   2.78           H   27.04          G   0.15           U   7                  
    Residuals in seconds of arc
    211031 K88  0.5+  0.2-    211031 033  0.1+  0.3+    211101 I52  0.3-  0.0
    211031 K88  0.9+  0.5+    211031 J95  0.2-  0.3-    211101 B49 (2.2+  2.2-)
    211031 K88  0.1+  1.0-    211031 J95  0.8-  0.3+    211101 B49 (2.0+  2.1-)
    211031 K88  0.0   0.4+    211031 J95  0.2-  0.4+    211101 204  0.1-  0.2+
    211031 K88  0.5+  1.0-    211031 J95  0.3+  0.6-    211101 204  0.1+  0.1-
    211031 K88  0.1-  0.3+    211101 H21  0.1-  0.1+    211102 J95  0.2+  0.2-
    211031 K88  0.5+  0.1-    211101 H21  0.1+  0.2+    211102 J95  0.1+  0.1-
    211031 033  0.3+  0.0     211101 H21  0.6+  0.0     211102 J95  0.1-  0.2+
    211031 033  0.2-  0.1+    211101 I52  0.2-  0.0     211102 J95  0.3-  0.0
    
    Ephemeris:
    2021 UQ7                 a,e,i = 1.98, 0.49, 7                   q = 1.0188
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 10 03    22 55 00.8 -39 05 31   0.1266  1.0883   131.2    43.8    24.4
    ...
    2021 10 18    23 11 29.1 -30 19 33   0.06849 1.0399   128.0    49.1    23.1
    ...
    2021 10 26    23 44 18.0 -12 27 10   0.04125 1.0252   138.0    40.5    21.8
    ...
    2021 11 01    00 41 33.9 +21 00 07   0.02989 1.0197   154.6    24.6    20.6
    2021 11 02    00 56 24.5 +28 09 02   0.02966 1.0193   154.8    24.5    20.6
    2021 11 03    01 13 22.2 +35 08 47   0.03001 1.0190   153.2    26.1    20.7
    ...
    2021 11 09    03 41 20.1 +62 07 03   0.04181 1.0201   134.0    44.4    21.9
    ...
    2021 11 17    06 34 51.9 +65 47 30   0.06912 1.0292   124.2    52.6    23.2
    ...
    2021 12 02    07 54 07.6 +60 59 47   0.1268  1.0684   127.8    46.8    24.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-V28
    


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