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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07487720172530213 1.2894e-07  
a 3.04702712826117 7.3409e-08 AU
q 2.81887426331589 3.8292e-07 AU
i 9.974705881418407 1.6561e-05 deg
node 158.4203056507189 6.0129e-05 deg
peri 243.5549212324161 0.00013188 deg
M 53.27118948493715 0.00010689 deg
tp 2456713.023200244565
(2014-Feb-24.52320024)
0.00058203 JED
period 1942.732064228073
5.32
7.0206e-05
1.922e-07
d
yr
n .1853060474106308 6.6966e-09 deg/d
Q 3.275179993206449 7.8905e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      154  
   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      .68714  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 11:51:19  

Additional Information
 Earth MOID = 1.84258 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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