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181341 (2006 RJ4)
Classification: Main-belt Asteroid          SPK-ID: 2181341
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984087535875675 7.0495e-08  
a 2.358980356958413 1.1349e-08 au
q 1.890938004596739 1.6369e-07 au
i 2.571129419163088 6.0976e-06 deg
node 357.1378763942771 9.7489e-05 deg
peri 14.91921964627329 9.832e-05 deg
M 328.546639450328 1.0929e-05 deg
tp 2459316.124393112711
(2021-Apr-11.62439311)
4.0449e-05 TDB
period 1323.381056686804
3.62
9.5498e-06
2.615e-08
d
yr
n .2720304920347662 1.963e-09 deg/d
Q 2.827022709320087 1.36e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:13  

Additional Information
 Earth MOID = .889703 au 
 Jupiter MOID = 2.64034 au 
 T_jup = 3.524 
[ 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 17.0   n/a MPO433182  

181341 (2006 RJ4)          Discovered 2006-Sep-12 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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