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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4757903722604769 3.4054e-06  
a .8142082937314054 1.5449e-08 au
q .4268158265593723 2.7647e-06 au
i 23.19182421056118 0.00026153 deg
node 117.0990421576843 2.3796e-05 deg
peri 220.9899917045341 2.0321e-05 deg
M 78.86113268513016 0.00047323 deg
tp 2459337.715582442167
(2021-May-03.21558244)		 0.00035108 TDB
period 268.3500680280017
0.73		 7.6377e-06
2.091e-08		 d
yr
n 1.341531241804772 3.8182e-08 deg/d
Q 1.201600760903438 2.28e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .38193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:29:54  

Additional Information
 Earth MOID = .000293302 au 
 Jupiter MOID = 4.19455 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 22.5   n/a MPO535968  

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