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226799 (2004 RU201)
Classification: Main-belt Asteroid          SPK-ID: 2226799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08408733204200262 7.2669e-08  
a 2.810561178716032 3.2189e-08 au
q 2.574228587656974 2.1261e-07 au
i 3.9849081610746 7.8752e-06 deg
node 21.54779299197804 0.00010031 deg
peri 290.772808481011 0.00010787 deg
M 173.7995965735016 4.0525e-05 deg
tp 2458169.627748905144
(2018-Feb-20.12774891)
0.00019203 TDB
period 1721.028220382835
4.71
2.9566e-05
8.095e-08
d
yr
n .209177278871069 3.5935e-09 deg/d
Q 3.046893769775089 3.4896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6514 days (17.83 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:38:24  

Additional Information
 Earth MOID = 1.56363 au 
 Jupiter MOID = 2.1689 au 
 T_jup = 3.313 
[ 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 16.6   n/a MPO413101  

226799 (2004 RU201)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
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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