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JPL Small-Body Database Browser
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390855 (2004 RR217)
Classification: Main-belt Asteroid          SPK-ID: 2390855
[ 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 .1721037711927309 1.0345e-07  
a 2.523740703242965 2.7243e-08 au
q 2.089395410702256 2.6032e-07 au
i 11.86289067888782 8.0479e-06 deg
node 296.1780842687584 3.8796e-05 deg
peri 66.01021322997923 4.359e-05 deg
M 237.6225705322682 2.5278e-05 deg
tp 2459098.310841880407
(2020-Sep-05.81084188)		 0.00010851 TDB
period 1464.419573579954
4.01		 2.3712e-05
6.492e-08		 d
yr
n .245831185607507 3.9804e-09 deg/d
Q 2.958085995783674 3.1931e-08 au
   Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      4935 days (13.51 yr)  
   first obs. used      2004-09-11  
   last obs. used      2018-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:08:45  

Additional Information
 Earth MOID = 1.11587 au 
 Jupiter MOID = 2.56485 au 
 T_jup = 3.405 
[ 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 16.4   n/a MPO437600  

390855 (2004 RR217)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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