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305495 (2008 EK58)
Classification: Main-belt Asteroid          SPK-ID: 2305495
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0703733956706884 4.1368e-08  
a 2.923495981474906 3.1196e-08 au
q 2.717759642028905 1.2954e-07 au
i 6.25755813364006 4.9435e-06 deg
node 170.0201844781807 4.4096e-05 deg
peri 264.7429194494354 6.0994e-05 deg
M 228.4097468325649 4.5279e-05 deg
tp 2459667.880326975628
(2022-Mar-29.38032698)
0.00023408 TDB
period 1825.795694803656
5.00
2.9224e-05
8.001e-08
d
yr
n .1971743065363696 3.156e-09 deg/d
Q 3.129232320920908 3.3391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5502 days (15.06 yr)  
   first obs. used      2005-07-06  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:50:30  

Additional Information
 Earth MOID = 1.74172 au 
 Jupiter MOID = 2.06321 au 
 T_jup = 3.266 
[ 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 16.4   n/a MPO437357  

305495 (2008 EK58)          Discovered 2008-Mar-08 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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