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312381 (2008 ED75)
Classification: Main-belt Asteroid          SPK-ID: 2312381
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 .03160144027194198 4.2893e-08  
a 2.780924067504763 3.1442e-08 au
q 2.693042861684705 1.2317e-07 au
i 4.765207140484045 5.9738e-06 deg
node 146.049778570831 6.0824e-05 deg
peri 103.1067758593332 0.00012539 deg
M 164.261175965697 0.0001131 deg
tp 2458227.615585203740
(2018-Apr-19.11558520)
0.00052818 TDB
period 1693.877982370945
4.64
2.8728e-05
7.865e-08
d
yr
n .2125300663605668 3.6044e-09 deg/d
Q 2.868805273324821 3.2436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6998 days (19.16 yr)  
   first obs. used      2000-09-04  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53655  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:41  

Additional Information
 Earth MOID = 1.68376 au 
 Jupiter MOID = 2.12511 au 
 T_jup = 3.327 
[ 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 16.6   n/a MPO503318  

312381 (2008 ED75)          Discovered 2008-Mar-07 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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