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13165 (1995 WS1)
Classification: Main-belt Asteroid          SPK-ID: 2013165
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897871441199626 7.6769e-08  
a 2.233587123546254 1.6936e-08 AU
q 1.809681002225289 1.6711e-07 AU
i 3.870914048158925 6.5648e-06 deg
node 43.86890678480714 0.00010122 deg
peri 317.1068337393372 0.000103 deg
M 235.5943606537158 2.6266e-05 deg
tp 2457221.847420518931
(2015-Jul-18.34742052)
9.231e-05 JED
period 1219.278098516085
3.34
1.3868e-05
3.797e-08
d
yr
n .295256677240521 3.3582e-09 deg/d
Q 2.657493244867219 2.0151e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      10343 days (28.32 yr)  
   first obs. used      1985-11-17  
   last obs. used      2014-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55253  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:01:24  

Additional Information
 Earth MOID = .807862 AU 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO263467  

13165 (1995 WS1)          Discovered 1995-Nov-16 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WS1 = 1985 WE = 1998 QR22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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