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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242321364371982 5.2044e-08  
a 2.280408260338392 1.3733e-08 AU
q 1.997108270207519 1.1959e-07 AU
i 2.237891948537629 5.3016e-06 deg
node 88.56937262235509 0.00015651 deg
peri 197.9035390460422 0.00015878 deg
M 57.55744632807333 2.517e-05 deg
tp 2456799.398017709622
(2014-May-21.89801771)
8.8507e-05 JED
period 1257.816637866106
3.44
1.1362e-05
3.111e-08
d
yr
n .2862102385692261 2.5855e-09 deg/d
Q 2.563708250469265 1.544e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      8777 days (24.03 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5336  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:58:15  

Additional Information
 Earth MOID = .982157 AU 
 T_jup = 3.595 
[ 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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