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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124232131344501 5.1679e-08  
a 2.280408261718994 1.3517e-08 AU
q 1.997108283030035 1.1849e-07 AU
i 2.237889665144012 5.0698e-06 deg
node 88.56938256579579 0.00015586 deg
peri 197.9035291187258 0.0001581 deg
M 57.55744537253346 2.4796e-05 deg
tp 2456799.398020865590
(2014-May-21.89802087)
8.7265e-05 JED
period 1257.816639008365
3.44
1.1183e-05
3.062e-08
d
yr
n .2862102383093105 2.5447e-09 deg/d
Q 2.563708240407953 1.5196e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      8860 days (24.26 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53425  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:26:15  

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
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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