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226756 (2004 RU61)
Classification: Main-belt Asteroid          SPK-ID: 2226756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141141280352765 4.5135e-08  
a 2.66752508013528 1.7867e-08 au
q 2.363122781603411 1.2354e-07 au
i 3.297846818638156 7.4504e-06 deg
node 339.7685817377269 7.4164e-05 deg
peri 311.0620678093577 8.0678e-05 deg
M 268.3952008903136 3.092e-05 deg
tp 2459405.427171434777
(2021-Jul-09.92717143)
0.00013668 TDB
period 1591.333457780655
4.36
1.5988e-05
4.377e-08
d
yr
n .2262253698241676 2.2729e-09 deg/d
Q 2.971927378667148 1.9906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      7146 days (19.56 yr)  
   first obs. used      2000-09-25  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:29:38  

Additional Information
 Earth MOID = 1.34856 au 
 Jupiter MOID = 2.19158 au 
 T_jup = 3.371 
[ 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 16.3   n/a MPO433485  

226756 (2004 RU61)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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