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117622 (2005 EK101)
Classification: Main-belt Asteroid          SPK-ID: 2117622
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07612037158434815 4.3674e-08  
a 2.625567463038699 1.4222e-08 au
q 2.425708292132419 1.1844e-07 au
i 2.290291272735703 4.4631e-06 deg
node 209.2169610833075 9.4447e-05 deg
peri 142.0506376420142 9.8388e-05 deg
M 48.49949112421437 2.5197e-05 deg
tp 2458791.152450983379
(2019-Nov-03.65245098)
0.00010903 TDB
period 1553.936255804462
4.25
1.2626e-05
3.457e-08
d
yr
n .2316697346208906 1.8824e-09 deg/d
Q 2.825426633944979 1.5305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      9466 days (25.92 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:17:24  

Additional Information
 Earth MOID = 1.42028 au 
 Jupiter MOID = 2.48649 au 
 T_jup = 3.397 
[ 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 15.7   n/a MPO439764  

117622 (2005 EK101)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EK101 = 1994 WP9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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