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(2009 BH2)
Classification: Aten [NEO]          SPK-ID: 3444370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4757663350483576 3.4052e-06  
a .8142195256661314 1.576e-08 au
q .4268412860151439 2.7643e-06 au
i 23.19184395765294 0.00026153 deg
node 117.0994094683337 2.3807e-05 deg
peri 220.9866783484579 2.0334e-05 deg
M 175.9220840183512 0.00046567 deg
tp 2459069.361999784892
(2020-Aug-07.86199979)
0.00034332 TDB
period 268.3556208469777
0.73
7.7912e-06
2.133e-08
d
yr
n 1.341503482817973 3.8948e-08 deg/d
Q 1.201597765317119 2.3257e-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 = .000577693 au 
 Jupiter MOID = 4.19495 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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