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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07487730990407203 1.062e-07  
a 3.047027099694229 7.0921e-08 AU
q 2.818873907264318 2.9816e-07 AU
i 9.974709580637956 1.2208e-05 deg
node 158.4203139757971 5.2208e-05 deg
peri 243.5548870848313 0.00012771 deg
M 53.27122452123219 0.000104 deg
tp 2456713.023015214766
(2014-Feb-24.52301521)
0.00056719 JED
period 1942.732036907388
5.32
6.7827e-05
1.857e-07
d
yr
n .185306050016594 6.4696e-09 deg/d
Q 3.275180292124139 7.6232e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      4542 days (12.44 yr)  
   first obs. used      2002-08-15  
   last obs. used      2015-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66621  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 18:30:08  

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
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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