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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2975796253365333 6.596e-08  
a 2.586354244865923 2.4503e-08 AU
q 1.816707917691169 1.6733e-07 AU
i 15.90064428685926 1.2715e-05 deg
node 2.624037502513624 2.1916e-05 deg
peri 292.8460099505456 3.1843e-05 deg
M 143.359588745196 2.3803e-05 deg
tp 2456395.500960128927
(2013-Apr-13.00096013)
9.8892e-05 JED
period 1519.254179367787
4.16
2.159e-05
5.911e-08
d
yr
n .2369583739765048 3.3674e-09 deg/d
Q 3.356000572040677 3.1795e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1988-11-02  
   last obs. used      2014-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59817  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 06:08:36  

Additional Information
 Earth MOID = .868388 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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