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  • MPEC 2021-R114 : 2021 RR1

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    M.P.E.C. 2021-R114                            Issued 2021 September 6, 14:02 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 RR1                                 
    
    
    Observations:
         K21R01R* C2021 09 04.47588801 36 53.769+26 42 28.30         21.83wUER114F52
         K21R01R  C2021 09 04.48680601 36 55.382+26 43 04.12         21.39wUER114F52
         K21R01R  C2021 09 04.49772501 36 56.993+26 43 39.85         21.12wUER114F52
         K21R01R IC2021 09 05.02049401 38 21.55 +27 11 50.8          21.0 GVER114L01
         K21R01R IC2021 09 05.02360901 38 22.01 +27 12 00.8          21.0 GVER114L01
         K21R01R KC2021 09 05.02673001 38 22.50 +27 12 10.9          21.1 GVER114L01
         K21R01R KC2021 09 05.02907201 38 22.87 +27 12 18.3          21.2 GVER114L01
         K21R01R 1C2021 09 05.91632 01 40 49.23 +28 00 47.5          20.1 VVER114033
         K21R01R 1C2021 09 05.91881 01 40 49.63 +28 00 55.6          20.4 VVER114033
         K21R01R 1C2021 09 05.92129 01 40 50.03 +28 01 04.1          20.1 VVER114033
         K21R01R 1C2021 09 06.08206 01 41 15.20 +28 10 00.5          21.9 VVER114033
         K21R01R 1C2021 09 06.08351 01 41 15.35 +28 10 05.5          21.3 VVER114033
         K21R01R KC2021 09 06.31082701 41 53.72 +28 22 45.2          20.7 VuER114H21
         K21R01R KC2021 09 06.31641901 41 54.60 +28 23 03.7          20.9 VuER114H21
         K21R01R KC2021 09 06.32219901 41 55.48 +28 23 23.0          21.4 VuER114H21
         K21R01R  C2021 09 06.45517901 42 16.61 +28 30 48.7          21.10GVER114G96
         K21R01R  C2021 09 06.46233901 42 17.71 +28 31 12.0          21.27GVER114G96
         K21R01R  C2021 09 06.47074801 42 18.99 +28 31 39.6          20.59GVER114G96
         K21R01R  C2021 09 06.47647201 42 19.87 +28 31 58.9          21.17GVER114G96
    
    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.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith.  Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  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, T. A. Pruyne, 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.  0.81-m f/4.0 astrograph + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 RR1                                                 Earth MOID = 0.1496 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 299.70301              (2000.0)            P               Q                  
    n   0.53056586     Peri.   76.59426     +0.76783793     -0.63660361             
    a   1.5111579      Node   322.87090     +0.53205136     +0.69612524             
    e   0.2779278      Incl.    6.83520     +0.35685609     +0.33188175             
    P   1.86           H   22.23          G   0.15           U   9                  
    Residuals in seconds of arc
    210904 F52  0.1-  0.1+    210905 033  0.2-  0.2-    210906 H21  0.2+  0.3+
    210904 F52  0.0   0.0     210905 033  0.1-  0.4-    210906 G96  0.1-  0.1+
    210904 F52  0.1+  0.1-    210905 033  0.0   0.2-    210906 G96  0.0   0.2-
    210905 L01  0.2-  0.4+    210906 033  0.8+  0.2-    210906 G96  0.1-  0.3-
    210905 L01  0.4-  0.1+    210906 033  0.2-  0.0     210906 G96  0.0   0.1+
    210905 L01  0.1-  0.1-    210906 H21  0.0   0.5+
    210905 L01  0.1+  0.4-    210906 H21  0.3+  0.3+
    
    Ephemeris:
    2021 RR1                 a,e,i = 1.51, 0.28, 7                   q = 1.0912
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 07    00 31 36.2 +05 58 48   0.3883  1.2762   124.8    40.7    22.3
    ...
    2021 08 22    01 03 46.3 +15 37 14   0.3040  1.2213   127.7    40.9    21.7
    ...
    2021 08 30    01 22 44.2 +21 55 42   0.2685  1.1944   128.1    41.7    21.4
    ...
    2021 09 05    01 38 17.5 +27 10 52   0.2465  1.1757   127.8    42.7    21.2
    2021 09 06    01 41 01.5 +28 05 41   0.2432  1.1727   127.7    42.9    21.2
    2021 09 07    01 43 48.2 +29 01 03   0.2400  1.1697   127.6    43.1    21.1
    ...
    2021 09 13    02 01 35.7 +34 42 45   0.2232  1.1530   126.5    44.6    21.0
    ...
    2021 09 21    02 29 11.4 +42 28 23   0.2068  1.1332   124.2    47.1    20.9
    ...
    2021 10 06    03 37 56.7 +55 31 32   0.1917  1.1057   119.0    52.2    20.8
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-R114
    


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