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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2572611832880683 6.2672e-08  
a 3.098422387500861 3.0386e-08 AU
q 2.301318577766148 1.9871e-07 AU
i 13.45154200681086 8.6869e-06 deg
node 222.7943505611747 2.9848e-05 deg
peri 267.8201152810175 3.4305e-05 deg
M 31.81409999647936 1.8106e-05 deg
tp 2456824.453862553721
(2014-Jun-15.95386255)
9.8985e-05 JED
period 1992.091855110587
5.45
2.9304e-05
8.023e-08
d
yr
n .180714558455948 2.6584e-09 deg/d
Q 3.895526197235574 3.8203e-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 = 1.3627 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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