[Iaude] MPEC S104: 2019 RN4 [a=2.25,e=0.45,i=24.1,H=19.6]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2019-S104                           Issued 2019 September 26, 23:52 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 RN4                                    


Observations:
     K19R04N* C2019 09 10.61242 04 35 24.539-40 17 02.95         20.7 wUES104F51
     K19R04N  C2019 09 10.61627 04 35 24.826-40 16 59.64         20.6 wUES104F51
     K19R04N  C2019 09 10.62011 04 35 25.080-40 16 56.47         20.6 wUES104F51
     K19R04N  C2019 09 10.62397 04 35 25.381-40 16 53.28         20.7 wUES104F51
     K19R04N  C2019 09 18.59245 04 43 51.790-38 17 43.70         20.4 iUES104F51
     K19R04N  C2019 09 18.60226 04 43 52.172-38 17 34.53         20.3 iUES104F51
     K19R04N  C2019 09 18.61208 04 43 52.558-38 17 25.32         20.3 iUES104F51
     K19R04N |C2019 09 26.37883 04 47 48.69 -36 03 38.6          20.5 VuES104807
     K19R04N |C2019 09 26.38127 04 47 48.68 -36 03 36.0          20.4 VuES104807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.  
    0.61-m f/6.5 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.

Orbital elements:
2019 RN4                                                 Earth MOID = 0.4056 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 Veres
M 319.95022              (2000.0)            P               Q
n   0.29255419     Peri.  289.79482     +0.92320489     +0.05968527
a   2.2473213      Node    68.35809     +0.15106136     +0.85199163
e   0.4548541      Incl.   24.10669     -0.35337401     +0.52014223
P   3.37           H   19.6           G   0.15           U   6
Residuals in seconds of arc
190910 F51  0.0   0.1-    190910 F51  0.1+  0.0     190918 F51  0.1+  0.1-
190910 F51  0.1+  0.0     190918 F51  0.0   0.1+    190926 807  0.1+  0.1+
190910 F51  0.2-  0.0     190918 F51  0.0   0.0     190926 807  0.1-  0.1-

Ephemeris:
2019 RN4                 a,e,i = 2.25, 0.45, 24                  q = 1.2251
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 08 27    04 08 23.5 -43 21 58   0.5656  1.2350    99.3    53.9    20.8
...
2019 09 11    04 35 54.8 -40 11 22   0.5373  1.2251   100.6    53.9    20.7
...
2019 09 19    04 44 10.2 -38 10 59   0.5184  1.2280   102.7    52.9    20.6
...
2019 09 25    04 47 25.6 -36 28 54   0.5026  1.2339   105.2    51.7    20.5
2019 09 26    04 47 43.1 -36 10 39   0.4999  1.2352   105.6    51.4    20.5
2019 09 27    04 47 56.3 -35 51 59   0.4971  1.2366   106.1    51.2    20.4
...
2019 10 03    04 47 42.0 -33 50 10   0.4800  1.2466   109.6    49.2    20.3
...
2019 10 11    04 43 14.4 -30 34 07   0.4571  1.2645   115.5    45.5    20.1
...
2019 10 26    04 22 40.5 -21 59 39   0.4225  1.3108   131.0    34.9    19.8

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-S104