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385865 (2006 RF21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2385865
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .295933603319367 4.251e-07  
a 3.259912058180215 4.4422e-08 au
q 2.29519453629869 1.3616e-06 au
i .8160735465817434 1.2181e-05 deg
node 20.89484225876772 0.00041199 deg
peri 2.801824969211024 0.00041943 deg
M 137.5413063952534 3.3751e-05 deg
tp 2458379.131775488765
(2018-Sep-17.63177549)
0.0002107 TDB
period 2149.845516039456
5.89
4.3943e-05
1.203e-07
d
yr
n .1674538925304775 3.4228e-09 deg/d
Q 4.224629580061739 5.7568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      5300 days (14.51 yr)  
   first obs. used      2006-09-15  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:29:56  

Additional Information
 Earth MOID = 1.29761 au 
 Jupiter MOID = 1.23848 au 
 T_jup = 3.108 
[ 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 16.53   n/a E2021B25  

385865 (2006 RF21)          Discovered 2006-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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