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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598971155968538 1.0616e-07  
a 2.759376041972551 4.1135e-08 AU
q 2.318159772014077 2.6915e-07 AU
i 9.517486099386673 8.2548e-06 deg
node 188.4226436556424 4.0981e-05 deg
peri 156.2214195338666 4.9825e-05 deg
M 141.5252995610522 3.5658e-05 deg
tp 2456342.317482020668
(2013-Feb-18.81748202)
0.00015576 JED
period 1674.228616420234
4.58
3.7438e-05
1.025e-07
d
yr
n .2150243977848957 4.8082e-09 deg/d
Q 3.200592311931025 4.7713e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      6115 days (16.74 yr)  
   first obs. used      1998-05-23  
   last obs. used      2015-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57475  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 17:12:13  

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
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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