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  • MPEC 2021-R332 : 2021 RL15

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    M.P.E.C. 2021-R332                           Issued 2021 September 14, 20:23 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 RL15                                
    
    
    Observations:
         K21R15L  C2021 09 13.23807 22 06 36.58 +12 14 27.1          20.3 GVER332703
         K21R15L  C2021 09 13.24335 22 06 44.84 +12 13 21.7          20.3 GVER332703
         K21R15L  C2021 09 13.24863 22 06 53.04 +12 12 15.5          20.3 GVER332703
         K21R15L* C2021 09 13.91514 22 24 55.55 +09 53 35.4          19.1 RoER332K88
         K21R15L  C2021 09 13.91918 22 25 01.59 +09 52 45.7          19.6 RoER332K88
         K21R15L  C2021 09 13.93974 22 25 32.46 +09 48 32.9          19.3 RoER332K88
         K21R15L  C2021 09 13.94303 22 25 37.44 +09 47 51.6          19.4 RoER332K88
         K21R15L KC2021 09 13.95944 22 26 02.05 +09 44 28.3          19.6 RoER332K88
         K21R15L KC2021 09 13.96137622 26 06.13 +09 44 15.5          19.9 GVER332L01
         K21R15L KC2021 09 13.96257022 26 07.93 +09 44 01.3          20.0 GVER332L01
         K21R15L KC2021 09 13.96376622 26 09.72 +09 43 46.4          20.1 GVER332L01
         K21R15L KC2021 09 13.96438 22 26 09.53 +09 43 26.4          19.8 RoER332K88
         K21R15L KC2021 09 13.96496122 26 11.51 +09 43 31.1          20.0 GVER332L01
         K21R15L KC2021 09 13.96615322 26 13.28 +09 43 16.5          19.9 GVER332L01
         K21R15L KC2021 09 13.97796 22 26 30.42 +09 40 32.8          19.5 GVER332G02
         K21R15L KC2021 09 13.98006 22 26 35.33 +09 40 23.2                VER332204
         K21R15L KC2021 09 13.98301 22 26 38.04 +09 39 30.2          19.4 GVER332G02
         K21R15L KC2021 09 13.98816 22 26 45.80 +09 38 26.0          19.8 GVER332G02
         K21R15L KC2021 09 13.98844 22 26 47.86 +09 38 38.9          19.8 GVER332204
         K21R15L KC2021 09 14.15978422 31 25.22 +09 04 01.5          19.9 VuER332H21
         K21R15L KC2021 09 14.16171322 31 28.01 +09 03 37.9          20.1 VuER332H21
         K21R15L KC2021 09 14.16409222 31 31.51 +09 03 08.8          20.1 VuER332H21
         K21R15L  C2021 09 14.16731 22 31 43.89 +09 02 43.6          19.6 GVER332654
         K21R15L  C2021 09 14.20310 22 32 36.48 +08 55 30.4          19.4 GVER332654
         K21R15L  C2021 09 14.23655 22 33 25.13 +08 48 44.4          20.0 GVER332654
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    654 Table Mountain Observatory, Wrightwood-PHMC.  Observers P. Choi, N. Saini,
        C. Zhai, R. Trahan, M. Shao.
    703 Catalina Sky Survey.  Observer K. W. Wierzchos.  Measurers B. Gray, D.
        Rankin, F. C. Shelly.  0.68-m Schmidt + 10K CCD.
    G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
    K88 GINOP-KHK, Piszkesteto.  Observer C. Kalup.  Measurer K. Sarneczky.
        0.60-m Schmidt + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2021 RL15                                                Earth MOID = 0.0273 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 333.04347              (2000.0)            P               Q                  
    n   0.52089187     Peri.  154.86675     +0.86357469     +0.50408456             
    a   1.5298106      Node   174.81673     -0.48176952     +0.83176168             
    e   0.3355009      Incl.    7.45808     -0.14878469     +0.23253228             
    P   1.89           H   26.64          G   0.15           U   7                  
    Residuals in seconds of arc
    210913 703  0.3-  0.4+    210913 L01  0.4-  0.4+    210913 204  0.3-  0.1-
    210913 703  0.2+  0.2+    210913 L01  0.3-  0.3+    210914 H21  0.2+  0.1-
    210913 703  0.0   0.7-    210913 K88  0.3+  0.3-    210914 H21  0.4-  0.1-
    210913 K88  1.1+  0.9-    210913 L01  0.3-  0.2-    210914 H21  0.0   0.2-
    210913 K88  0.8+  0.8-    210913 L01  0.5-  0.1-    210914 654  0.0   0.1-
    210913 K88  0.1+  0.8+    210913 G02  1.1+  0.0     210914 654  0.0   0.0
    210913 K88  0.6+  0.2+    210913 204  0.1-  0.4+    210914 654  0.1+  0.0
    210913 K88  0.4-  0.3+    210913 G02  1.0+  0.1+
    210913 L01  0.5-  0.3-    210913 G02  1.0+  0.2-
    
    Ephemeris:
    2021 RL15                a,e,i = 1.53, 0.34, 7                   q = 1.0166
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 15    16 16 29.8 +27 18 00   0.1081  1.0221    91.9    82.1    24.7
    ...
    2021 08 30    17 21 31.7 +29 04 20   0.05834 1.0174    96.0    80.8    23.3
    ...
    2021 09 07    19 15 05.2 +27 04 01   0.03534 1.0237   115.9    62.4    21.7
    ...
    2021 09 13    21 59 54.8 +13 05 13   0.02914 1.0323   153.1    26.1    20.2
    2021 09 14    22 27 09.8 +09 39 22   0.02984 1.0341   160.0    19.4    20.1
    2021 09 15    22 52 17.5 +06 18 22   0.03103 1.0359   166.5    13.1    19.9
    ...
    2021 09 21    00 34 03.6 -07 47 40   0.04561 1.0486   167.5    12.0    20.8
    ...
    2021 09 29    01 29 55.3 -14 45 03   0.07417 1.0700   155.9    22.5    22.2
    ...
    2021 10 14    02 00 55.1 -17 23 20   0.1379  1.1215   152.3    24.5    23.7
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-R332
    


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