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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2124770815169815 0.00071846  
a 1.012685021605138 5.1883e-05 au
q .7975126637185169 0.00068681 au
i 3.552989675681595 0.012787 deg
node 126.0578339254948 0.0097787 deg
peri 121.6227890329522 0.035248 deg
M 306.2834730753207 0.45361 deg
tp 2459056.041222053143
(2020-Jul-25.54122205)
0.47328 TDB
period 372.2288294470001
1.02
0.028606
7.832e-05
d
yr
n .9671470115166314 7.4325e-05 deg/d
Q 1.227857379491759 6.2907e-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 = .0258208 au 
 Jupiter MOID = 3.78457 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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