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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2570406195521751 5.1382e-08  
a 3.09827997263182 2.4786e-08 au
q 2.301896168920441 1.5544e-07 au
i 13.4510887145176 8.4573e-06 deg
node 222.7906942062621 2.5039e-05 deg
peri 267.8369411360161 3.0456e-05 deg
M 104.114127122746 1.6828e-05 deg
tp 2456824.414985635818
(2014-Jun-15.91498564)
9.0788e-05 JED
period 1991.954510905144
5.45
2.3903e-05
6.544e-08
d
yr
n .1807270186287618 2.1687e-09 deg/d
Q 3.894663776343199 3.1157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      9957 days (27.26 yr)  
   first obs. used      1988-05-10  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53813  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:24:25  

Additional Information
 Earth MOID = 1.3631 au 
 Jupiter MOID = 1.59906 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 12.5 mag n/a MPO337325  

8285 (1991 UK3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
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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