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181564 (2006 UJ331)
Classification: Main-belt Asteroid          SPK-ID: 2181564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638627455046371 3.9224e-08  
a 3.118319551357425 2.8748e-08 au
q 2.607343148311209 1.1876e-07 au
i 16.4314286984841 5.0382e-06 deg
node 181.2090021750328 1.8537e-05 deg
peri 295.8944422135494 2.5608e-05 deg
M 156.3259177009006 1.7948e-05 deg
tp 2458327.110755397120
(2018-Jul-27.61075540)
9.7102e-05 TDB
period 2011.311577000424
5.51
2.7814e-05
7.615e-08
d
yr
n .17898768351788 2.4752e-09 deg/d
Q 3.629295954403641 3.3459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      7282 days (19.94 yr)  
   first obs. used      2000-08-31  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:07  

Additional Information
 Earth MOID = 1.66949 au 
 Jupiter MOID = 1.62074 au 
 T_jup = 3.134 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.66   n/a E2021B55  

181564 (2006 UJ331)          Discovered 2006-Oct-17 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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