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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897871716858877 5.9374e-08  
a 2.233587129134462 1.554e-08 AU
q 1.809680945182031 1.3165e-07 AU
i 3.870903904106839 6.258e-06 deg
node 43.86895517238068 7.8369e-05 deg
peri 317.1067709951578 8.0759e-05 deg
M 235.5943658992977 2.5852e-05 deg
tp 2457221.847404334009
(2015-Jul-18.34740433)
9.0703e-05 JED
period 1219.27810309185
3.34
1.2725e-05
3.484e-08
d
yr
n .2952566761324676 3.0814e-09 deg/d
Q 2.657493313086893 1.8489e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1985-11-17  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5235  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:29:57  

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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