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JPL Small-Body Database Browser
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226817 (2004 RP239)
Classification: Main-belt Asteroid          SPK-ID: 2226817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05192137715074044 5.8417e-08  
a 2.803165211124475 2.8716e-08 au
q 2.657621012981846 1.6314e-07 au
i 4.101083946738779 6.9139e-06 deg
node 189.2573349489589 7.7945e-05 deg
peri 122.3549400927854 9.9756e-05 deg
M 79.88440947358576 6.3687e-05 deg
tp 2458220.108330643385
(2018-Apr-11.60833064)
0.00030331 TDB
period 1714.239385016191
4.69
2.6341e-05
7.212e-08
d
yr
n .210005675488899 3.227e-09 deg/d
Q 2.948709409267104 3.0207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6493 days (17.78 yr)  
   first obs. used      2000-12-30  
   last obs. used      2018-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66322  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:02:27  

Additional Information
 Earth MOID = 1.64555 au 
 Jupiter MOID = 2.18624 au 
 T_jup = 3.318 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO440184  

226817 (2004 RP239)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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