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JPL Small-Body Database Browser
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(2012 EA)
Classification: Apollo [NEO]          SPK-ID: 3600237
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3765668049543685 2.0245e-05  
a 1.599446396168938 3.5383e-05 au
q .9971479770678218 1.0322e-05 au
i 1.582983270960663 0.0014222 deg
node 153.5114814135262 0.028039 deg
peri 10.98747302903434 0.033611 deg
M 28.87548245838284 0.10341 deg
tp 2458941.237535258329
(2020-Apr-01.73753526)
0.21026 TDB
period 738.8443582804218
2.02
0.024517
6.712e-05
d
yr
n .4872474100470361 1.6168e-05 deg/d
Q 2.201744815270053 4.8707e-05 au
  Orbit Determination Parameters
   # obs. used (total)      49  
   data-arc span      12 days  
   first obs. used      2012-03-01  
   last obs. used      2012-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .53541  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:50:41  

Additional Information
 Earth MOID = .00721228 au 
 Jupiter MOID = 2.77601 au 
 T_jup = 4.280 
[ 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 26.9   n/a MPO227527  

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