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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06112868260107305 4.6919e-08  
a 2.424292257740515 1.8725e-08 AU
q 2.276098465784857 1.1222e-07 AU
i 11.70322557385506 7.7964e-06 deg
node 43.90394611729609 2.6694e-05 deg
peri 70.3124115301361 8.422e-05 deg
M 328.2326251223511 7.625e-05 deg
tp 2457122.161933991752
(2015-Apr-09.66193399)
0.00029187 JED
period 1378.719406489154
3.77
1.5973e-05
4.373e-08
d
yr
n .2611118682348307 3.0252e-09 deg/d
Q 2.572486049696174 1.9869e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      14000 days (38.33 yr)  
   first obs. used      1976-10-30  
   last obs. used      2015-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45924  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:33:50  

Additional Information
 Earth MOID = 1.32124 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 LCDB (Rev. 2015-Feb); 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]

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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