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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06158369461210259 4.6763e-08  
a 2.424798535485281 1.8984e-08 au
q 2.275470482980082 1.1193e-07 au
i 11.70483583903533 7.7954e-06 deg
node 43.86284182861389 2.6681e-05 deg
peri 69.96797595573405 8.3769e-05 deg
M 72.98673221907909 7.5664e-05 deg
tp 2457120.889589286364
(2015-Apr-08.38958929)
0.00029018 JED
period 1379.151316910116
3.78
1.6196e-05
4.434e-08
d
yr
n .2610300955275544 3.0655e-09 deg/d
Q 2.574126587990481 2.0153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      14273 days (39.08 yr)  
   first obs. used      1976-10-30  
   last obs. used      2015-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45928  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:23:14  

Additional Information
 Earth MOID = 1.32034 au 
 Jupiter MOID = 2.52025 au 
 T_jup = 3.480 
[ 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 LCDB (Rev. 2015-December); Warner et al., 2009 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]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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

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