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JPL Small-Body Database Browser
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(2011 EU20)
Classification: Apollo [NEO]          SPK-ID: 3558899
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5029951169196074 0.00039556  
a 1.904460896732189 0.001456 au
q .9465263653115613 2.9697e-05 au
i 1.005394923942244 0.0006001 deg
node 351.108221627995 0.00064534 deg
peri 211.8837788374929 0.0006068 deg
M 322.492027103048 1.6393 deg
tp 2459496.517871856444
(2021-Oct-09.01787186)
4.4861 TDB
period 959.9674705759861
2.63
1.1009
0.003014
d
yr
n .3750127072368378 0.00043006 deg/d
Q 2.862395428152817 0.0021884 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      3 days  
   first obs. used      2011-03-08  
   last obs. used      2011-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .34971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 04:52:58  

Additional Information
 Earth MOID = .000349486 au 
 Jupiter MOID = 2.09675 au 
 T_jup = 3.778 
[ 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 27.2   n/a MPO196819  

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