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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242321365679298 5.2024e-08  
a 2.280408260273384 1.3715e-08 AU
q 1.997108269852466 1.1952e-07 AU
i 2.237891643365567 5.2847e-06 deg
node 88.56937682589597 0.0001564 deg
peri 197.9035347558508 0.00015866 deg
M 57.55744645391879 2.5127e-05 deg
tp 2456799.398017278526
(2014-May-21.89801728)
8.8363e-05 JED
period 1257.816637812321
3.44
1.1347e-05
3.107e-08
d
yr
n .2862102385814647 2.582e-09 deg/d
Q 2.563708250694302 1.5419e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1109  
   data-arc span      8806 days (24.11 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:20:14  

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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