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305860 (2009 EB20)
Classification: Main-belt Asteroid          SPK-ID: 2305860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09112597732270823 3.9499e-08  
a 2.448899680456866 2.6033e-08 au
q 2.225741303709966 1.0096e-07 au
i 6.915228565625537 7.3878e-06 deg
node 56.7180100766181 4.0215e-05 deg
peri 62.62307477692114 6.2198e-05 deg
M 13.6168263873116 4.5528e-05 deg
tp 2458947.554589698175
(2020-Apr-08.05458970)
0.00017689 TDB
period 1399.764318535917
3.83
2.232e-05
6.111e-08
d
yr
n .2571861528636064 4.101e-09 deg/d
Q 2.672058057203766 2.8405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      5953 days (16.30 yr)  
   first obs. used      2003-09-17  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:19:07  

Additional Information
 Earth MOID = 1.25183 au 
 Jupiter MOID = 2.4064 au 
 T_jup = 3.481 
[ 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 16.5   n/a MPO418595  

305860 (2009 EB20)          Discovered 2009-Mar-15 by La Sagra at La Sagra
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 EB20 = 2007 UW35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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