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312385 (2008 EO120)
Classification: Main-belt Asteroid          SPK-ID: 2312385
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .240684214582051 6.0815e-08  
a 2.651413835592749 2.491e-08 au
q 2.013260379041125 1.7299e-07 au
i 13.06120196999401 5.4212e-06 deg
node 176.8309921061466 3.0376e-05 deg
peri 290.0791400068197 3.4317e-05 deg
M 348.4249928006908 1.7337e-05 deg
tp 2459051.202978602062
(2020-Jul-20.70297860)
7.6431e-05 TDB
period 1576.938310486039
4.32
2.2223e-05
6.084e-08
d
yr
n .2282904775704523 3.2172e-09 deg/d
Q 3.289567292144373 3.0906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6297 days (17.24 yr)  
   first obs. used      2002-10-31  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:56  

Additional Information
 Earth MOID = 1.07115 au 
 Jupiter MOID = 2.00007 au 
 T_jup = 3.312 
[ 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 16.7   n/a MPO455302  

312385 (2008 EO120)          Discovered 2008-Mar-09 by Spacewatch at Kitt Peak
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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