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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242552112712693 5.7045e-08  
a 2.280576071414578 1.8106e-08 AU
q 1.997202609840759 1.3414e-07 AU
i 2.237941671297524 6.0768e-06 deg
node 88.5702801097643 0.00018402 deg
peri 197.9428806401607 0.00018763 deg
M .2846996233450537 3.8476e-05 deg
tp 2456799.505168189880
(2014-May-22.00516819)
0.00013444 JED
period 1257.955481061709
3.44
1.498e-05
4.101e-08
d
yr
n .2861786489424581 3.408e-09 deg/d
Q 2.563949532988397 2.0355e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      8320 days (22.78 yr)  
   first obs. used      1990-08-22  
   last obs. used      2013-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:49:43  

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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