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212540 (2006 RR99)
Classification: Main-belt Asteroid          SPK-ID: 2212540
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07976581742665487 7.0109e-08  
a 2.761883257965636 2.4396e-08 au
q 2.541579382257014 1.8582e-07 au
i 3.343483225942017 7.9034e-06 deg
node 15.49800713199935 7.7556e-05 deg
peri 323.9542490132652 8.6338e-05 deg
M 7.086388013646378 3.6219e-05 deg
tp 2458967.498868503791
(2020-Apr-27.99886850)
0.00016862 TDB
period 1676.510983558471
4.59
2.2214e-05
6.082e-08
d
yr
n .2147316680478189 2.8452e-09 deg/d
Q 2.982187133674257 2.6342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      2000-05-01  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:00:20  

Additional Information
 Earth MOID = 1.53375 au 
 Jupiter MOID = 2.32234 au 
 T_jup = 3.334 
[ 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 MPO437020  

212540 (2006 RR99)          Discovered 2006-Sep-12 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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