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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598971281878045 1.0677e-07  
a 2.759376040703489 4.1379e-08 AU
q 2.318159736204767 2.713e-07 AU
i 9.517483048271238 1.0076e-05 deg
node 188.4226318954294 4.6847e-05 deg
peri 156.2214439244123 5.7396e-05 deg
M 141.525288693838 3.8278e-05 deg
tp 2456342.317533014171
(2013-Feb-18.81753301)
0.00016924 JED
period 1674.228615265244
4.58
3.766e-05
1.031e-07
d
yr
n .2150243979332333 4.8367e-09 deg/d
Q 3.200592345202211 4.7996e-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 = 1.31536 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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