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90731 (1992 OC)
Classification: Main-belt Asteroid          SPK-ID: 2090731
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2960025073342576 6.3172e-08  
a 2.589323731595265 2.4482e-08 au
q 1.82287741474297 1.5928e-07 au
i 15.90971583787904 1.0337e-05 deg
node 2.567135344184979 2.1588e-05 deg
peri 292.9055757547417 2.8984e-05 deg
M 238.013785759826 2.169e-05 deg
tp 2457916.187028264869
(2017-Jun-11.68702827)
9.4788e-05 JED
period 1521.871396138574
4.17
2.1584e-05
5.909e-08
d
yr
n .2365508681702171 3.3549e-09 deg/d
Q 3.355770048447559 3.1729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      9582 days (26.23 yr)  
   first obs. used      1988-11-02  
   last obs. used      2015-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59301  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 16:30:27  

Additional Information
 Earth MOID = .871746 au 
 Jupiter MOID = 2.15456 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1 mag n/a MPO351480  

90731 (1992 OC)          Discovered 1992-Jul-26 by McNaught, R. H. at Siding Spring
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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