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390538 (1999 RJ214)
Classification: Main-belt Asteroid          SPK-ID: 2390538
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3118941728024061 1.3123e-07  
a 2.560717960726253 3.1585e-08 au
q 1.762044950585274 3.5432e-07 au
i 6.198410774016617 8.6735e-06 deg
node 18.24082699066885 6.1853e-05 deg
peri 310.2307381645888 6.7895e-05 deg
M 27.60157965160467 4.0407e-05 deg
tp 2458885.744770682085
(2020-Feb-06.24477068)
0.00016601 TDB
period 1496.721675929436
4.10
2.7692e-05
7.582e-08
d
yr
n .2405256807525332 4.4501e-09 deg/d
Q 3.359390970867232 4.1436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      7215 days (19.75 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:34:04  

Additional Information
 Earth MOID = .759069 au 
 Jupiter MOID = 2.03525 au 
 T_jup = 3.357 
[ 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 MPO440685  

390538 (1999 RJ214)          Discovered 1999-Sep-10 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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