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JPL Small-Body Database Browser
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266686 (2009 OM20)
Classification: Main-belt Asteroid          SPK-ID: 2266686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2737004288877696 8.1631e-08  
a 2.699349785711302 2.4218e-08 au
q 1.96053659164401 2.1736e-07 au
i 8.972387152379461 6.9344e-06 deg
node 310.733303457446 4.7374e-05 deg
peri 42.37623574354033 4.931e-05 deg
M 55.88362678721857 1.0992e-05 deg
tp 2458349.039799914201
(2018-Aug-18.53979991)
4.9223e-05 TDB
period 1619.896152688361
4.44
2.18e-05
5.969e-08
d
yr
n .2222364683085074 2.9908e-09 deg/d
Q 3.438162979778595 3.0847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6754 days (18.49 yr)  
   first obs. used      2000-07-29  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:23:43  

Additional Information
 Earth MOID = .964156 au 
 Jupiter MOID = 2.04988 au 
 T_jup = 3.296 
[ 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 16.7   n/a MPO454982  

266686 (2009 OM20)          Discovered 2009-Jul-29 by La Sagra at La Sagra
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 OM20 = 2000 OG55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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