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305506 (2008 EL116)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .125523484424148 6.4333e-08  
a 3.225352205347695 4.4287e-08 au
q 2.820494758037342 2.07e-07 au
i 3.240109107090114 7.5323e-06 deg
node 153.2482546945781 0.00016294 deg
peri 303.8468971843802 0.0001697 deg
M 116.9269657841984 4.4163e-05 deg
tp 2458313.310800218124
(2018-Jul-13.81080022)
0.00025613 TDB
period 2115.7490084713
5.79
4.3577e-05
1.193e-07
d
yr
n .1701525079575068 3.5045e-09 deg/d
Q 3.630209652658047 4.9846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5375 days (14.72 yr)  
   first obs. used      2005-10-06  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:11:44  

Additional Information
 Earth MOID = 1.83899 au 
 Jupiter MOID = 1.53743 au 
 T_jup = 3.173 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO433969  

305506 (2008 EL116)          Discovered 2008-Mar-08 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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