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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242321331806353 5.1738e-08  
a 2.28040826140225 1.3542e-08 AU
q 1.997108278565505 1.1866e-07 AU
i 2.237889378730912 5.0969e-06 deg
node 88.56939115781346 0.00015609 deg
peri 197.9035209952267 0.00015833 deg
M 57.55744509332676 2.4833e-05 deg
tp 2456799.398021883019
(2014-May-21.89802188)
8.7385e-05 JED
period 1257.816638746302
3.44
1.1205e-05
3.068e-08
d
yr
n .2862102383689415 2.5495e-09 deg/d
Q 2.563708244238995 1.5225e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      8840 days (24.20 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53117  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:14:33  

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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