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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2975796246753958 7.1269e-08  
a 2.58635424229775 2.4846e-08 AU
q 1.816707917597168 1.824e-07 AU
i 15.90066980027272 1.6906e-05 deg
node 2.624047202196155 2.2257e-05 deg
peri 292.8460025425975 3.7338e-05 deg
M 143.3595875990491 2.8829e-05 deg
tp 2456395.500965866959
(2013-Apr-13.00096587)
0.00012118 JED
period 1519.254177104926
4.16
2.1892e-05
5.994e-08
d
yr
n .2369583743294437 3.4145e-09 deg/d
Q 3.356000566998332 3.224e-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 = .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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