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(2012 EL8)
Classification: Apollo [NEO]          SPK-ID: 3601299
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493555352115193 0.00020305  
a 1.188275554278753 0.00027419 au
q 1.010800022890685 3.1139e-05 au
i 4.253001800987923 0.0048399 deg
node 358.331655783577 0.0032567 deg
peri 166.0821680770519 0.072528 deg
M 281.4504998771927 0.87915 deg
tp 2459303.732179324080
(2021-Mar-30.23217932)
1.1911 TDB
period 473.1231197979092
1.30
0.16376
0.0004484
d
yr
n .7609013065220132 0.00026336 deg/d
Q 1.365751085666821 0.00031514 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      1 day  
   first obs. used      2012-03-14  
   last obs. used      2012-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .54786  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:50:33  

Additional Information
 Earth MOID = .018246 au 
 Jupiter MOID = 3.60189 au 
 T_jup = 5.321 
[ 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 28.3   n/a MPO226085  

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