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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .297907536053429 7.1339e-08  
a 2.585632906071781 2.5006e-08 AU
q 1.815353377885269 1.8284e-07 AU
i 15.9015465520396 1.6907e-05 deg
node 2.640383145161153 2.2259e-05 deg
peri 292.7956172239194 3.7272e-05 deg
M 95.97849241996121 2.8716e-05 deg
tp 2456395.625756681702
(2013-Apr-13.12575668)
0.00012102 JED
period 1518.618639651334
4.16
2.203e-05
6.031e-08
d
yr
n .2370575407151948 3.4389e-09 deg/d
Q 3.355912434258292 3.2456e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      9232 days (25.28 yr)  
   first obs. used      1988-11-02  
   last obs. used      2014-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58869  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 17:49:37  

Additional Information
 Earth MOID = .865479 AU 
 T_jup = 3.307 
[ 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 15.0 mag n/a MPO270521  

90731 (1992 OC)          Discovered 1992-Jul-26 by McNaught, R. H. at Siding Spring (413)
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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