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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2739858685100594 8.1463e-08  
a 2.698997350206147 2.2822e-08 au
q 1.959510217103567 2.1641e-07 au
i 8.974112637899362 6.9132e-06 deg
node 310.7312150873897 3.5358e-05 deg
peri 42.35960494588871 3.7038e-05 deg
M 144.7784273190073 1.0319e-05 deg
tp 2458349.166421566713
(2018-Aug-18.66642157)		 4.3861e-05 TDB
period 1619.57891502251
4.43		 2.0542e-05
5.624e-08		 d
yr
n .2222799992398002 2.8193e-09 deg/d
Q 3.438484483308727 2.9075e-08 au
   Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2000-07-29  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:03  

Additional Information
 Earth MOID = .964025 au 
 Jupiter MOID = 2.05309 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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