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117637 (2005 EJ131)
Classification: Main-belt Asteroid          SPK-ID: 2117637
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08297541538379467 4.2333e-08  
a 2.741068412190167 1.8751e-08 au
q 2.513627122093289 1.1252e-07 au
i 9.768760442667935 4.6789e-06 deg
node 90.68318674381098 2.6367e-05 deg
peri 54.7939860921111 3.8638e-05 deg
M 138.3618106015912 2.9519e-05 deg
tp 2458363.422928565361
(2018-Sep-01.92292857)
0.00013499 TDB
period 1657.594279225429
4.54
1.7008e-05
4.657e-08
d
yr
n .2171822167293091 2.2285e-09 deg/d
Q 2.968509702287045 2.0306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      9435 days (25.83 yr)  
   first obs. used      1994-11-11  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:17:17  

Additional Information
 Earth MOID = 1.54127 au 
 Jupiter MOID = 2.10069 au 
 T_jup = 3.324 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO432680  

117637 (2005 EJ131)          Discovered 2005-Mar-09 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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