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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12395810163032 5.0718e-08  
a 2.28060060758122 1.1321e-08 au
q 1.997901685688498 1.1515e-07 au
i 2.237745851440756 4.8678e-06 deg
node 88.56362402604181 0.00013263 deg
peri 197.742586268957 0.00013419 deg
M 229.4907126706766 1.9639e-05 deg
tp 2458056.548674469909
(2017-Oct-30.04867447)
6.8304e-05 JED
period 1257.975782174693
3.44
9.3667e-06
2.564e-08
d
yr
n .2861740306142136 2.1308e-09 deg/d
Q 2.563299529473943 1.2724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      9356 days (25.62 yr)  
   first obs. used      1990-08-22  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55686  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:11:22  

Additional Information
 Earth MOID = .98137 au 
 Jupiter MOID = 2.5581 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 14.3 mag n/a MPO358740  

11285 (1990 QU3)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
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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