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JPL Small-Body Database Browser
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390856 (2004 RR218)
Classification: Main-belt Asteroid          SPK-ID: 2390856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3011294749417568 4.9775e-08  
a 3.14350951497106 5.3361e-08 au
q 2.196906145253408 1.5885e-07 au
i 24.11684055790507 9.2521e-06 deg
node 227.1911712719131 1.515e-05 deg
peri 81.3159015607591 2.1554e-05 deg
M 261.0480487500959 1.7036e-05 deg
tp 2459160.054583459025
(2020-Nov-06.55458346)
0.00010441 TDB
period 2035.731963854974
5.57
5.1834e-05
1.419e-07
d
yr
n .1768405695798401 4.5028e-09 deg/d
Q 4.090112884688712 6.9429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      5847 days (16.01 yr)  
   first obs. used      2003-04-29  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:54:42  

Additional Information
 Earth MOID = 1.32671 au 
 Jupiter MOID = 1.76011 au 
 T_jup = 3.008 
[ 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 15.7   n/a MPO472016  

390856 (2004 RR218)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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