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392498 (2011 OR20)
Classification: Main-belt Asteroid          SPK-ID: 2392498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277359640182992 4.7487e-08  
a 2.246127630692158 1.4767e-08 au
q 1.734603589408341 1.0683e-07 au
i 5.546572213102028 5.6557e-06 deg
node 116.9115209703384 5.9111e-05 deg
peri 155.2269075615639 6.0791e-05 deg
M 1.590233047006796 1.7949e-05 deg
tp 2459391.068643045624
(2021-Jun-25.56864305)
6.1266e-05 TDB
period 1229.56097991771
3.37
1.2125e-05
3.32e-08
d
yr
n .2927874305380881 2.8874e-09 deg/d
Q 2.757651671975975 1.813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      6274 days (17.18 yr)  
   first obs. used      2004-04-16  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56419  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:34:20  

Additional Information
 Earth MOID = .720038 au 
 Jupiter MOID = 2.36115 au 
 T_jup = 3.590 
[ 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 17.82   n/a MPCxxxxx  

392498 (2011 OR20)          Discovered 2004-Apr-16 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 OR20 = 2004 HX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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