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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2572611671294497 5.9351e-08  
a 3.098422395104453 2.8647e-08 AU
q 2.301318633479856 1.8601e-07 AU
i 13.45153979765252 8.5431e-06 deg
node 222.7943412353886 2.918e-05 deg
peri 267.8201251471475 3.3757e-05 deg
M 31.81409633220041 1.7353e-05 deg
tp 2456824.453882182302
(2014-Jun-15.95388218)
9.5021e-05 JED
period 1992.091862443539
5.45
2.7628e-05
7.564e-08
d
yr
n .1807145577907321 2.5063e-09 deg/d
Q 3.89552615672905 3.6017e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      9751 days (26.70 yr)  
   first obs. used      1988-05-10  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55672  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:22:37  

Additional Information
 Earth MOID = 1.3627 AU 
 T_jup = 3.130 
[ 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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