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8285 (1991 UK3)
Classification: Main-belt Asteroid          SPK-ID: 2008285
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2575845871088263 6.2609e-08  
a 3.099894740413756 3.0354e-08 AU
q 2.301409633623456 1.9872e-07 AU
i 13.45027651099139 8.6865e-06 deg
node 222.8154903503003 2.9848e-05 deg
peri 267.8531935035252 3.43e-05 deg
M 355.642073634785 1.7847e-05 deg
tp 2456824.632162149314
(2014-Jun-16.13216215)
9.8989e-05 JED
period 1993.511970073065
5.46
2.9281e-05
8.017e-08
d
yr
n .1805858231123666 2.6525e-09 deg/d
Q 3.898379847204056 3.8173e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      9439 days (25.84 yr)  
   first obs. used      1988-05-10  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55715  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:13:14  

Additional Information
 Earth MOID = 1.36253 AU 
 T_jup = 3.129 
[ 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 12.4 mag n/a MPO250291  

8285 (1991 UK3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 UK3 = 1993 FK1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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