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447957 (2008 BK27)
Classification: Main-belt Asteroid          SPK-ID: 2447957
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041526414305283 7.7199e-08  
a 2.684804350859303 3.2045e-08 au
q 2.405174885993131 2.0331e-07 au
i 6.42985808001901 7.8214e-06 deg
node 289.2808986862972 6.6923e-05 deg
peri 187.9592253305646 7.9782e-05 deg
M 290.4555624857604 4.3394e-05 deg
tp 2459310.903985868038
(2021-Apr-06.40398587)
0.0001961 TDB
period 1606.820601426438
4.40
2.8768e-05
7.876e-08
d
yr
n .2240449242936106 4.0112e-09 deg/d
Q 2.964433815725474 3.5383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5640 days (15.44 yr)  
   first obs. used      2004-03-27  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:41  

Additional Information
 Earth MOID = 1.42164 au 
 Jupiter MOID = 2.12589 au 
 T_jup = 3.358 
[ 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 16.8   n/a MPO419205  

447957 (2008 BK27)          Discovered 2007-Nov-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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