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  • MPEC 2021-R341 : 2021 RL16

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    M.P.E.C. 2021-R341                           Issued 2021 September 15, 11:02 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 RL16                                
    
    
    Observations:
         K21R16L* C2021 09 13.27476723 57 51.64 -12 20 43.5          20.94GVER341G96
         K21R16L  C2021 09 13.27958323 57 51.86 -12 20 09.7          21.53GVER341G96
         K21R16L  C2021 09 13.28439023 57 52.12 -12 19 37.4          21.15GVER341G96
         K21R16L  C2021 09 13.28917723 57 52.33 -12 19 03.8          20.68GVER341G96
         K21R16L mC2021 09 13.38518123 57 56.79 -12 07 56.4          21.63GVER341G96
         K21R16L mC2021 09 13.38594223 57 56.74 -12 07 50.4          21.14GVER341G96
         K21R16L mC2021 09 13.38670523 57 56.82 -12 07 45.2          21.26GVER341G96
         K21R16L KC2021 09 14.28854823 59 01.20 -10 24 09.3          21.42GVER341G96
         K21R16L KC2021 09 14.29006623 59 01.27 -10 23 58.1          21.10GVER341G96
         K21R16L KC2021 09 14.29158423 59 01.34 -10 23 48.9          21.59GVER341G96
         K21R16L |C2021 09 14.29563 23 58 58.86 -10 22 11.6          21.2 GVER341807
         K21R16L |C2021 09 14.29825 23 58 58.96 -10 21 53.5          21.4 GVER341807
         K21R16L |C2021 09 14.30087 23 58 59.10 -10 21 35.6          21.2 GVER341807
         K21R16L |C2021 09 14.30342 23 58 59.21 -10 21 18.1          21.2 GVER341807
         K21R16L |C2021 09 15.18318 23 59 59.79 -08 42 09.0          21.5 GVER341807
         K21R16L |C2021 09 15.18543 23 59 59.89 -08 41 53.9          21.3 GVER341807
         K21R16L |C2021 09 15.18759 23 59 59.97 -08 41 39.9          21.3 GVER341807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + 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.
    
    Orbital elements:
    2021 RL16                                                Earth MOID = 0.1240 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 344.60284              (2000.0)            P               Q                  
    n   0.27130794     Peri.  338.98011     +0.92056713     +0.39053758             
    a   2.3631668      Node   358.00125     -0.32904754     +0.76709746             
    e   0.5255790      Incl.    9.98357     -0.21043734     +0.50896157             
    P   3.63           H   25.08          G   0.15           U   8                  
    Residuals in seconds of arc
    210913 G96  0.1+  0.3+    210913 G96  0.0   0.3-    210914 807  0.1+  0.0
    210913 G96  0.0   0.8+    210914 G96  0.1-  0.2+    210914 807  0.0   0.0
    210913 G96  0.5+  0.3-    210914 G96 (0.0   1.1+)   210915 807  0.0   0.1+
    210913 G96  0.2+  0.0     210914 G96  0.0   0.1-    210915 807  0.1+  0.2+
    210913 G96  0.6+  0.8-    210914 807  0.1+  0.1-    210915 807  0.0   0.3-
    210913 G96  0.6-  0.1-    210914 807  0.2-  0.1+
    
    Ephemeris:
    2021 RL16                a,e,i = 2.36, 0.53, 10                  q = 1.1211
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 16    22 47 27.3 -57 13 30   0.1643  1.1345   134.8    39.3    23.0
    ...
    2021 08 31    23 35 11.1 -38 07 22   0.1294  1.1211   147.8    28.7    22.1
    ...
    2021 09 08    23 50 39.4 -22 49 47   0.1246  1.1253   159.8    18.0    21.7
    ...
    2021 09 14    23 58 40.7 -10 56 26   0.1296  1.1336   169.3     9.5    21.5
    2021 09 15    23 59 47.2 -09 03 08   0.1312  1.1354   170.7     8.2    21.5
    2021 09 16    00 00 50.3 -07 12 26   0.1329  1.1373   172.1     7.0    21.5
    ...
    2021 09 22    00 06 08.8 +02 44 20   0.1476  1.1511   175.9     3.5    21.6
    ...
    2021 09 30    00 11 17.9 +12 37 41   0.1765  1.1755   169.5     8.9    22.3
    ...
    2021 10 15    00 19 17.2 +22 40 39   0.2529  1.2375   159.7    16.3    23.4
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-R341
    


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