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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493589012823 0.00020308  
a 1.188278702797764 0.00027419 au
q 1.010798701330733 3.1158e-05 au
i 4.252917809120007 0.0048394 deg
node 358.3318220114279 0.0032558 deg
peri 166.0789180634059 0.072526 deg
M 281.4425109931911 0.87919 deg
tp 2459303.743088898526
(2021-Mar-30.24308890)
1.1911 TDB
period 473.1250002179665
1.30
0.16376
0.0004484
d
yr
n .7608982823443057 0.00026336 deg/d
Q 1.365758704264795 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:07:25  

Additional Information
 Earth MOID = .0182462 au 
 Jupiter MOID = 3.60188 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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