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JPL Small-Body Database Browser
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226809 (2004 RA222)
Classification: Main-belt Asteroid          SPK-ID: 2226809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08084894098694667 5.8289e-08  
a 2.680596453811952 1.9012e-08 au
q 2.463873069307891 1.5965e-07 au
i 2.3855655224421 5.3027e-06 deg
node 218.8418507614647 0.00013957 deg
peri 167.1060363206393 0.00014476 deg
M 101.8026472727214 3.7096e-05 deg
tp 2458147.182843723084
(2018-Jan-28.68284372)
0.00016473 TDB
period 1603.04452420088
4.39
1.7054e-05
4.669e-08
d
yr
n .2245726769064386 2.3891e-09 deg/d
Q 2.897319838316013 2.0549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      21316 days (58.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56858  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:05:58  

Additional Information
 Earth MOID = 1.46713 au 
 Jupiter MOID = 2.47568 au 
 T_jup = 3.371 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO427315  

226809 (2004 RA222)          Discovered 2004-Sep-13 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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