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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125003741168131 0.00071849  
a 1.012614266566718 5.374e-05 au
q .7974333560852682 0.00068534 au
i 3.552961884590788 0.012784 deg
node 126.0611414521294 0.0098473 deg
peri 121.6068597815562 0.035547 deg
M 279.4239023453317 0.42372 deg
tp 2458683.804453424077
(2019-Jul-19.30445342)		 0.44469 TDB
period 372.1898193828733
1.02		 0.029628
8.112e-05		 d
yr
n .9672483804014702 7.6999e-05 deg/d
Q 1.227795177048168 6.516e-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 = .0259225 au 
 Jupiter MOID = 3.785 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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