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JPL Small-Body Database Browser
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117609 (2005 EP90)
Classification: Main-belt Asteroid          SPK-ID: 2117609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09006653758247105 4.1465e-08  
a 2.450603645387468 1.4542e-08 au
q 2.229886260060437 1.0231e-07 au
i 3.538810274092284 6.1713e-06 deg
node 182.6095756307415 6.7651e-05 deg
peri 73.14036753284856 7.5733e-05 deg
M 164.5513660460901 3.3179e-05 deg
tp 2457960.017849564988
(2017-Jul-25.51784957)
0.00012852 TDB
period 1401.225524265912
3.84
1.2473e-05
3.415e-08
d
yr
n .2569179577203323 2.2869e-09 deg/d
Q 2.671321030714498 1.5852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   data-arc span      10277 days (28.14 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:01:50  

Additional Information
 Earth MOID = 1.21798 au 
 Jupiter MOID = 2.35603 au 
 T_jup = 3.488 
[ 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 16.5   n/a MPO417612  

117609 (2005 EP90)          Discovered 2005-Mar-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EP90 = 1995 SK20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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