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(2009 BH2)
Classification: Aten [NEO]          SPK-ID: 3444370
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4757612851633623 3.4064e-06  
a .814221879191077 1.5918e-08 au
q .4268466315390023 2.7652e-06 au
i 23.19170229679894 0.00026168 deg
node 117.1002996494798 2.3806e-05 deg
peri 220.9897049137197 2.0439e-05 deg
M 267.6201819507657 0.00045797 deg
tp 2459069.363196981978
(2020-Aug-07.86319698)		 0.0003434 TDB
period 268.3567843822734
0.73		 7.8693e-06
2.154e-08		 d
yr
n 1.341497666357416 3.9338e-08 deg/d
Q 1.201597126843152 2.349e-08 au
   Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4027 days (11.03 yr)  
   first obs. used      2009-01-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .38195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:34:08  

Additional Information
 Earth MOID = .000539808 au 
 Jupiter MOID = 4.19489 au 
 T_jup = 7.030 
[ 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 22.4   n/a MPO154228  

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