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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06159441775048093 4.4747e-08  
a 2.424136729443416 1.6595e-08 au
q 2.274823439045794 1.0391e-07 au
i 11.70641130413861 7.7731e-06 deg
node 43.8609958228184 2.4705e-05 deg
peri 69.70992217261588 7.7025e-05 deg
M 125.4689887658696 7.1208e-05 deg
tp 2457120.028101951682
(2015-Apr-07.52810195)
0.00027224 JED
period 1378.586732855267
3.77
1.4156e-05
3.876e-08
d
yr
n .2611369973468294 2.6815e-09 deg/d
Q 2.573450019841039 1.7617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      14417 days (39.47 yr)  
   first obs. used      1976-10-30  
   last obs. used      2016-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4407  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:15:52  

Additional Information
 Earth MOID = 1.31831 au 
 Jupiter MOID = 2.52154 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 12.6 mag n/a MPO365408  
rotation period rot_per 3.8123 h n/a LCDB (Rev. 2016-February); 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. (2016) 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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