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216441 (2009 EO20)
Classification: Main-belt Asteroid          SPK-ID: 2216441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1235415800455662 4.0922e-08  
a 2.35402072676027 1.4116e-08 au
q 2.063201286716295 9.4465e-08 au
i 2.481620031800509 4.7541e-06 deg
node 82.68486773216472 0.0001063 deg
peri 87.30261789523657 0.00010882 deg
M 97.2086683220782 2.0315e-05 deg
tp 2458844.281604267520
(2019-Dec-26.78160427)
7.4877e-05 TDB
period 1319.209744122861
3.61
1.1866e-05
3.249e-08
d
yr
n .272890646543369 2.4546e-09 deg/d
Q 2.644840166804246 1.586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7157 days (19.59 yr)  
   first obs. used      2000-11-18  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58708  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:49  

Additional Information
 Earth MOID = 1.07058 au 
 Jupiter MOID = 2.32108 au 
 T_jup = 3.544 
[ 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 17.48   n/a E2021B55  

216441 (2009 EO20)          Discovered 2009-Mar-15 by La Sagra at La Sagra
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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