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226387 (2003 OD20)
Classification: Main-belt Asteroid          SPK-ID: 2226387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2307892238454782 6.4483e-08  
a 3.05099658447609 2.5043e-08 au
q 2.346859450789648 2.0705e-07 au
i 6.00125071710781 6.1055e-06 deg
node 164.1581710236387 3.5007e-05 deg
peri 175.6473657763056 3.8602e-05 deg
M 38.58071664753243 1.0268e-05 deg
tp 2458791.893037788447
(2019-Nov-04.39303779)
5.6001e-05 TDB
period 1946.529585809604
5.33
2.3966e-05
6.562e-08
d
yr
n .1849445303192082 2.2771e-09 deg/d
Q 3.755133718162532 3.0823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      454  
   data-arc span      8931 days (24.45 yr)  
   first obs. used      1996-03-11  
   last obs. used      2020-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:33:04  

Additional Information
 Earth MOID = 1.33835 au 
 Jupiter MOID = 1.65945 au 
 T_jup = 3.187 
[ 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 15.3   n/a MPO494241  
diameter diameter 3.389 km 1.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226387 (2003 OD20)          Discovered 2003-Jul-30 by CINEOS at Campo Imperatore
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Alternate Designations
 2003 OD20 = 1996 EK13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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