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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4757663193435062 3.4066e-06  
a .8142195256264781 1.5691e-08 au
q .426841298781553 2.7655e-06 au
i 23.19184297726695 0.00026168 deg
node 117.0994094775375 2.3827e-05 deg
peri 220.9866784489958 2.0344e-05 deg
M 175.9220860345689 0.0004658 deg
tp 2459069.361998291518
(2020-Aug-07.86199829)		 0.00034344 TDB
period 268.3556208273739
0.73		 7.7575e-06
2.124e-08		 d
yr
n 1.341503482915972 3.878e-08 deg/d
Q 1.201597752471403 2.3157e-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 = .000577694 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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