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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125739891341407 0.0006399  
a 1.012685400041912 4.549e-05 au
q .7974148248170994 0.00061229 au
i 3.554539256250051 0.011388 deg
node 126.0559647216547 0.0089352 deg
peri 121.6247956923001 0.031891 deg
M 139.6505645860542 0.41708 deg
tp 2459056.105568539736
(2020-Jul-25.60556854)
0.42152 TDB
period 372.2290380978946
1.02
0.025081
6.867e-05
d
yr
n .9671464693878116 6.5166e-05 deg/d
Q 1.227955975266724 5.516e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .56538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:29:54  

Additional Information
 Earth MOID = .0257695 au 
 Jupiter MOID = 3.78336 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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