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66811 (1999 UA6)
Classification: Main-belt Asteroid          SPK-ID: 2066811
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598971179768652 1.0657e-07  
a 2.759376041970509 4.1368e-08 AU
q 2.318159765445015 2.7066e-07 AU
i 9.517484005416673 9.8152e-06 deg
node 188.4226348685389 4.6169e-05 deg
peri 156.2214304400046 5.6435e-05 deg
M 141.5252976216024 3.7852e-05 deg
tp 2456342.317491041072
(2013-Feb-18.81749104)
0.0001671 JED
period 1674.228616418375
4.58
3.765e-05
1.031e-07
d
yr
n .2150243977851344 4.8354e-09 deg/d
Q 3.200592318496002 4.7983e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      6001 days (16.43 yr)  
   first obs. used      1998-05-23  
   last obs. used      2014-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57159  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 14:58:58  

Additional Information
 Earth MOID = 1.31536 AU 
 T_jup = 3.304 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO272941  

66811 (1999 UA6)          Discovered 1999-Oct-18 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 UA6 = 2001 BV51 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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