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JPL Small-Body Database Browser
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146876 (2002 BK21)
Classification: Inner Main-belt Asteroid          SPK-ID: 2146876
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06157214989898485 8.9107e-08  
a 1.894921657016869 1.1077e-08 au
q 1.778247256704194 1.6819e-07 au
i 22.00129970738509 9.8808e-06 deg
node 34.58331103741914 1.7886e-05 deg
peri 120.90525817286 6.0155e-05 deg
M 202.9563426184868 6.1375e-05 deg
tp 2459016.126486681505
(2020-Jun-15.62648668)		 0.0001642 TDB
period 952.7639492109497
2.61		 8.3545e-06
2.287e-08		 d
yr
n .3778480496644957 3.3132e-09 deg/d
Q 2.011596057329544 1.1759e-08 au
   Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      1998-10-29  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65863  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:18:43  

Additional Information
 Earth MOID = .81584 au 
 Jupiter MOID = 2.99134 au 
 T_jup = 3.863 
[ 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 16.5   n/a MPO345205  

146876 (2002 BK21)          Discovered 2002-Jan-25 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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