[Iaude] MPEC R72: 2019 RA2 [a=2.97,e=0.65,i=6.0,H=23.9]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2019-R72                             Issued 2019 September 8, 21:31 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2019 RA2                                    


Observations:
     K19R02A* C2019 09 06.41069 22 16 42.421-08 04 15.70         22.2 wUER072F51
     K19R02A  C2019 09 06.42182 22 16 41.696-08 03 59.07         22.4 wUER072F51
     K19R02A  C2019 09 06.43297 22 16 40.987-08 03 42.16         21.8 wUER072F51
     K19R02A KC2019 09 07.22528722 16 01.34 -07 43 46.0          22.3 VuER072H21
     K19R02A KC2019 09 07.23137122 16 00.96 -07 43 36.4          22.2 VuER072H21
     K19R02A KC2019 09 07.23786322 16 00.58 -07 43 26.2          22.3 VuER072H21
     K19R02A |C2019 09 08.19575 22 15 11.53 -07 17 22.8          21.8 GUER072807
     K19R02A |C2019 09 08.20603 22 15 10.87 -07 17 06.2          21.7 GUER072807
     K19R02A |C2019 09 08.21680 22 15 10.19 -07 16 48.5          21.7 GUER072807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.  
    1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M. 
   Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. 
   Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. 
   Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.  
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0 
   astrograph + CCD.

Orbital elements:
2019 RA2                                                 Earth MOID = 0.0966 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Bell
M 323.99333              (2000.0)            P               Q
n   0.19278781     Peri.   61.43339     +0.78723968     -0.61520890
a   2.9676750      Node   336.45646     +0.52254194     +0.70178786
e   0.6497626      Incl.    6.04874     +0.32741962     +0.35918212
P   5.11           H   23.9           G   0.15           U   8
Residuals in seconds of arc
190906 F51  0.2+  0.1-    190907 H21  0.0   0.1-    190908 807  0.1-  0.1+
190906 F51  0.1-  0.1-    190907 H21  0.0   0.1+    190908 807  0.1-  0.1-
190906 F51  0.1-  0.2+    190907 H21  0.3+  0.1+    190908 807  0.0   0.1-

Ephemeris:
2019 RA2                 a,e,i = 2.97, 0.65, 6                   q = 1.0394
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 08 09    22 30 03.1 -14 28 37   0.4889  1.4857   161.4    12.5    24.0
...
2019 08 24    22 25 59.2 -12 06 52   0.3537  1.3643   175.9     3.0    22.6
...
2019 09 01    22 20 58.1 -10 01 36   0.2943  1.3030   175.4     3.6    22.2
...
2019 09 07    22 16 12.9 -07 49 10   0.2551  1.2593   168.9     8.8    22.0
2019 09 08    22 15 22.1 -07 22 56   0.2490  1.2522   167.8     9.8    22.0
2019 09 09    22 14 30.5 -06 55 20   0.2430  1.2452   166.7    10.7    22.0
...
2019 09 15    22 09 12.7 -03 37 01   0.2095  1.2049   160.0    16.6    21.8
...
2019 09 23    22 02 19.8 +02 40 12   0.1708  1.1560   151.0    24.9    21.5
...
2019 10 08    21 54 56.3 +23 42 14   0.1175  1.0839   133.7    41.8    21.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-R72