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226795 (2004 RU187)
Classification: Main-belt Asteroid          SPK-ID: 2226795
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142073362683356 8.0969e-08  
a 2.776710881984896 2.0612e-08 au
q 2.382214229781834 2.205e-07 au
i 10.47247556645795 7.3419e-06 deg
node 313.0328660364464 2.7657e-05 deg
peri 52.09355008269113 3.4469e-05 deg
M 139.2559634230726 1.9021e-05 deg
tp 2458346.759001876745
(2018-Aug-16.25900188)
8.7968e-05 TDB
period 1690.030024849753
4.63
1.8818e-05
5.152e-08
d
yr
n .2130139670341092 2.3718e-09 deg/d
Q 3.171207534187957 2.354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7496 days (20.52 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:00  

Additional Information
 Earth MOID = 1.39507 au 
 Jupiter MOID = 2.3252 au 
 T_jup = 3.296 
[ 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 15.4   n/a MPO413101  

226795 (2004 RU187)          Discovered 2004-Sep-10 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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