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11285 (1990 QU3)
Classification: Main-belt Asteroid          SPK-ID: 2011285
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242552621001314 5.3628e-08  
a 2.280576069928183 1.6484e-08 AU
q 1.997202492619969 1.2533e-07 AU
i 2.237936345240763 5.7802e-06 deg
node 88.57038363360358 0.00017344 deg
peri 197.9427524469985 0.00017642 deg
M .2847226809584869 3.3166e-05 deg
tp 2456799.505087620155
(2014-May-22.00508762)
0.00011589 JED
period 1257.955479831876
3.44
1.3639e-05
3.734e-08
d
yr
n .2861786492222392 3.1028e-09 deg/d
Q 2.563949647236397 1.8532e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      8688 days (23.79 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .539  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:47:04  

Additional Information
 Earth MOID = .98034 AU 
 T_jup = 3.594 
[ 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 14.2 mag n/a MPO263451  

11285 (1990 QU3)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675)
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QU3 = 1990 QL18 = 1999 BD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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