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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 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241305570795352 5.716e-08  
a 2.279971601983217 1.8199e-08 AU
q 1.99695745690352 1.3424e-07 AU
i 2.238011152497256 6.1383e-06 deg
node 88.56965210759343 0.00018422 deg
peri 198.0535270794676 0.00018786 deg
M 245.6788073723003 3.8125e-05 deg
tp 2456799.816107639085
(2014-May-22.31610764)		 0.00013465 JED
period 1257.455380283002
3.44		 1.5056e-05
4.122e-08		 d
yr
n .2862924646431421 3.4278e-09 deg/d
Q 2.562985747062914 2.0458e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1027  
   data-arc span      8268 days (22.64 yr)  
   first obs. used      1990-08-22  
   last obs. used      2013-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54642  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:43:55  

Additional Information
 Earth MOID = .980788 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 14.3 mag n/a PDS3 (MPC 35562)  

11285 (1990 QU3)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675)
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1990 QU3 = 1990 QL18 = 1999 BD1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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