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JPL Small-Body Database Browser
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305503 (2008 EK108)
Classification: Main-belt Asteroid          SPK-ID: 2305503
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603849602027931 6.6268e-08  
a 3.010175438136715 4.6837e-08 au
q 2.527388570287733 2.1473e-07 au
i 9.934661512546887 1.2933e-05 deg
node 158.8990144928374 4.4627e-05 deg
peri 276.8790321903185 6.6161e-05 deg
M 111.3625363735825 4.8854e-05 deg
tp 2458010.403890260605
(2017-Sep-13.90389026)
0.00025128 TDB
period 1907.594837760682
5.22
4.4522e-05
1.219e-07
d
yr
n .1887193196761859 4.4046e-09 deg/d
Q 3.492962305985698 5.4349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2001-10-21  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:40:31  

Additional Information
 Earth MOID = 1.56618 au 
 Jupiter MOID = 1.86544 au 
 T_jup = 3.208 
[ 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 16.2   n/a MPO433969  

305503 (2008 EK108)          Discovered 2008-Mar-07 by Mt. Lemmon Survey at Mount Lemmon
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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