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308236 (2005 EB311)
Classification: Main-belt Asteroid          SPK-ID: 2308236
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 .1241753949993251 4.1902e-07  
a 2.534077729081185 3.6536e-08 au
q 2.219407626113536 1.0689e-06 au
i 3.176317472061878 8.2133e-06 deg
node 358.5793153923371 0.00013582 deg
peri 299.1578799152304 0.0004994 deg
M 146.8725791314794 0.00058531 deg
tp 2458399.372570200574
(2018-Oct-07.87257020)
0.0023988 TDB
period 1473.425986031525
4.03
3.1865e-05
8.724e-08
d
yr
n .2443285264498501 5.284e-09 deg/d
Q 2.848747832048834 4.1073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5381 days (14.73 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .49664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:56:15  

Additional Information
 Earth MOID = 1.20581 au 
 Jupiter MOID = 2.34104 au 
 T_jup = 3.436 
[ 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 17.2   n/a MPO503310  

308236 (2005 EB311)          Discovered 2005-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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