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13166 (1995 WU1)
Classification: Main-belt Asteroid          SPK-ID: 2013166
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06102235113661127 4.9966e-08  
a 2.42416940019268 2.0411e-08 AU
q 2.276240883839495 1.1893e-07 AU
i 11.70351398475319 8.6894e-06 deg
node 43.90479584439541 2.8577e-05 deg
peri 70.30207854122415 9.1535e-05 deg
M 276.0068985274208 8.4712e-05 deg
tp 2457122.150322736585
(2015-Apr-09.65032274)
0.00032472 JED
period 1378.614602331043
3.77
1.7411e-05
4.767e-08
d
yr
n .2611317183143793 3.298e-09 deg/d
Q 2.572097916545866 2.1656e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1111  
   data-arc span      13398 days (36.68 yr)  
   first obs. used      1976-10-30  
   last obs. used      2013-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5185  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 20:29:23  

Additional Information
 Earth MOID = 1.32109 AU 
 T_jup = 3.481 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO266028  
rotation period rot_per 3.8123 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm]

13166 (1995 WU1)          Discovered 1995-Nov-16 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1995 WU1 = 1976 UT4 = 1997 HD17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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