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(2020 EH)
Classification: Apollo [NEO]          SPK-ID: 54013542
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6950916825492401 0.00023769  
a 1.730314798486746 0.0014165 au
q .5275873738667443 2.0654e-05 au
i 45.04145379151068 0.016545 deg
node .7372062805592178 0.00011453 deg
peri 288.7092532853508 0.015728 deg
M 4.190045157418326 0.00047197 deg
tp 2458990.823856225720
(2020-May-21.32385623)
0.010793 TDB
period 831.3542283842961
2.28
1.0209
0.002795
d
yr
n .4330284104041254 0.00053173 deg/d
Q 2.933042223106747 0.0024011 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      21 days  
   first obs. used      2020-03-05  
   last obs. used      2020-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .44986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-28 06:13:20  

Additional Information
 Earth MOID = .0956119 au 
 Jupiter MOID = 3.46965 au 
 T_jup = 3.593 
[ 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 21.041   .54088 15 autocmod 2.8

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