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308231 (2005 EB258)
Classification: Main-belt Asteroid          SPK-ID: 2308231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1874599853375508 1.2772e-07  
a 2.529961998222287 2.0283e-08 au
q 2.055695359130977 3.2715e-07 au
i 3.597077603770871 5.54e-06 deg
node 345.6439230048669 0.00012554 deg
peri 37.89637236127562 0.00012715 deg
M 76.9315605298379 2.2589e-05 deg
tp 2458686.397448048095
(2019-Jul-21.89744805)
9.2489e-05 TDB
period 1469.837839293912
4.02
1.7676e-05
4.839e-08
d
yr
n .2449249776920551 2.9454e-09 deg/d
Q 3.004228637313598 2.4086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7344 days (20.11 yr)  
   first obs. used      1999-12-16  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47963  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:16:03  

Additional Information
 Earth MOID = 1.06041 au 
 Jupiter MOID = 2.46434 au 
 T_jup = 3.424 
[ 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 MPO503310  

308231 (2005 EB258)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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