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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0773552582340697 1.0102e-07  
a 3.046838182902774 5.1348e-08 au
q 2.811149228466906 2.9473e-07 au
i 9.981044173893553 1.1616e-05 deg
node 158.3973566206731 4.6032e-05 deg
peri 244.1554997013612 8.1711e-05 deg
M 163.5887369463711 6.4639e-05 deg
tp 2456717.779099492366
(2014-Mar-01.27909949)
0.00035097 JED
period 1942.551364565672
5.32
4.9107e-05
1.344e-07
d
yr
n .185323284916325 4.6849e-09 deg/d
Q 3.282527137338642 5.532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      4990 days (13.66 yr)  
   first obs. used      2002-08-15  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:15:31  

Additional Information
 Earth MOID = 1.83421 au 
 Jupiter MOID = 2.06718 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
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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