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166609 (2002 RF232)
Classification: Main-belt Asteroid          SPK-ID: 2166609
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07451790692369531 1.4343e-07  
a 3.045409363338115 5.8231e-08 AU
q 2.818471831856335 4.1606e-07 AU
i 9.974077372092376 1.766e-05 deg
node 158.4322646157913 5.7234e-05 deg
peri 243.2684081639871 0.00013306 deg
M 16.46393678000862 0.00011154 deg
tp 2456711.723476522818
(2014-Feb-23.22347652)
0.0006026 JED
period 1941.185080994273
5.31
5.5676e-05
1.524e-07
d
yr
n .185453722844196 5.3191e-09 deg/d
Q 3.272346894819895 6.257e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      4089 days (11.20 yr)  
   first obs. used      2002-08-15  
   last obs. used      2013-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .72573  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-22 16:23:49  

Additional Information
 Earth MOID = 1.84094 AU 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7 mag n/a MPO270747  

166609 (2002 RF232)          Discovered 2002-Sep-10 by Wrightwood at Wrightwood (673)
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

Alternate Designations
 2002 RF232 = 2002 RH232 = 2005 EV21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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