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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596382051244245 1.0635e-07  
a 2.758075178899438 4.1008e-08 AU
q 2.317781007741706 2.6985e-07 AU
i 9.510591082293514 1.0076e-05 deg
node 188.5272345830252 4.6899e-05 deg
peri 155.8473082669067 5.7527e-05 deg
M 98.86023203683715 3.792e-05 deg
tp 2456341.062223563935
(2013-Feb-17.56222356)
0.00017002 JED
period 1673.044824084099
4.58
3.7314e-05
1.022e-07
d
yr
n .2151765420852249 4.799e-09 deg/d
Q 3.19836935005717 4.7555e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      5699 days (15.60 yr)  
   first obs. used      1998-05-23  
   last obs. used      2013-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57121  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 11:59:17  

Additional Information
 Earth MOID = 1.31337 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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