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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1241942752389795 5.1305e-08  
a 2.280057947031326 1.2488e-08 au
q 1.996887802796895 1.1702e-07 au
i 2.237899690340517 4.8896e-06 deg
node 88.56719884835758 0.00014339 deg
peri 197.8008666847499 0.00014538 deg
M 172.1779075291741 2.2069e-05 deg
tp 2456799.060179750802
(2014-May-21.56017975)
7.8731e-05 JED
period 1257.52681279986
3.44
1.0332e-05
2.829e-08
d
yr
n .2862762020942255 2.352e-09 deg/d
Q 2.563228091265758 1.4039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      9251 days (25.33 yr)  
   first obs. used      1990-08-22  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55774  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:17:11  

Additional Information
 Earth MOID = .97893 au 
 Jupiter MOID = 2.55733 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 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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