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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2975796396335595 6.3413e-08  
a 2.586354243177707 2.4332e-08 AU
q 1.816707879528158 1.6003e-07 AU
i 15.90063937908887 1.0332e-05 deg
node 2.624035521627962 2.1635e-05 deg
peri 292.8460216970415 2.8899e-05 deg
M 143.3595803569737 2.1064e-05 deg
tp 2456395.500996120848
(2013-Apr-13.00099612)
8.6592e-05 JED
period 1519.254177880271
4.16
2.144e-05
5.87e-08
d
yr
n .236958374208513 3.3439e-09 deg/d
Q 3.356000606827257 3.1573e-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 = .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 15.1 mag n/a MPO325088  

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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