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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242321424556313 5.2395e-08  
a 2.280408256451977 1.4328e-08 AU
q 1.997108253079438 1.2084e-07 AU
i 2.237893657309529 5.5407e-06 deg
node 88.56933017711616 0.0001618 deg
peri 197.9035756127562 0.00016421 deg
M 57.55745501949013 2.6883e-05 deg
tp 2456799.397987856472
(2014-May-21.89798786)
9.4272e-05 JED
period 1257.816634650631
3.44
1.1854e-05
3.245e-08
d
yr
n .2862102393008922 2.6974e-09 deg/d
Q 2.563708259824518 1.6108e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1061  
   data-arc span      8747 days (23.95 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53853  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:18:31  

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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