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312391 (2008 EO151)
Classification: Main-belt Asteroid          SPK-ID: 2312391
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02760842612694705 8.1423e-08  
a 2.728611723548183 2.6872e-08 au
q 2.653279048349481 2.2476e-07 au
i 5.180547009157624 8.8213e-06 deg
node 355.1617790625426 5.7097e-05 deg
peri 191.6891734212329 0.0001148 deg
M 242.0946968479984 0.00010172 deg
tp 2459539.690058931386
(2021-Nov-21.19005893)
0.00046706 TDB
period 1646.307808267602
4.51
2.432e-05
6.658e-08
d
yr
n .2186711368263663 3.2303e-09 deg/d
Q 2.803944398746884 2.7614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61527  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:56  

Additional Information
 Earth MOID = 1.65411 au 
 Jupiter MOID = 2.15741 au 
 T_jup = 3.349 
[ 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 16.9   n/a MPO494656  

312391 (2008 EO151)          Discovered 2008-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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