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(2009 BK2)
Classification: Apollo [NEO]          SPK-ID: 3444372
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124849952427065 0.00071833  
a 1.012678480333818 5.055e-05 au
q .7974994982576958 0.00068772 au
i 3.552982049114107 0.012789 deg
node 126.057351031886 0.0097446 deg
peri 121.621102701919 0.035118 deg
M 139.7167849165548 0.46819 deg
tp 2459056.038579410520
(2020-Jul-25.53857941)		 0.47327 TDB
period 372.2252229270321
1.02		 0.027871
7.631e-05		 d
yr
n .9671563822814109 7.2417e-05 deg/d
Q 1.227857462409941 6.1292e-05 au
   Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      13 days  
   first obs. used      2009-01-18  
   last obs. used      2009-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .50511  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:01:37  

Additional Information
 Earth MOID = .0257604 au 
 Jupiter MOID = 3.78344 au 
 T_jup = 5.999 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.3   n/a MPO152543  

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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