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(2008 GO20)
Classification: Apollo [NEO]          SPK-ID: 3408681
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4909971766334336 2.8481e-05  
a 1.892972639629087 9.7423e-05 au
q .9635284181268671 4.3292e-06 au
i 2.249675588551252 8.9051e-05 deg
node 119.5930115376172 0.00064771 deg
peri 160.632484452002 0.00059686 deg
M 207.7111774781893 0.12633 deg
tp 2459402.920837149526
(2021-Jul-07.42083715)
0.36489 TDB
period 951.2943824428155
2.60
0.073438
0.0002011
d
yr
n .3784317521938488 2.9214e-05 deg/d
Q 2.822416861131306 0.00014526 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      124 days  
   first obs. used      2008-04-09  
   last obs. used      2008-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .60548  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:03:44  

Additional Information
 Earth MOID = .00851028 au 
 Jupiter MOID = 2.34683 au 
 T_jup = 3.799 
[ 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 22.3   n/a MPO141921  

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