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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897285513853096 5.9329e-08  
a 2.233861348316691 1.5552e-08 AU
q 1.81003407070493 1.3158e-07 AU
i 3.870592809519213 6.2573e-06 deg
node 43.86715426526204 7.8318e-05 deg
peri 317.0721631028756 8.0712e-05 deg
M 294.6742973933157 2.6294e-05 deg
tp 2457221.791298001070
(2015-Jul-18.29129800)
9.0736e-05 JED
period 1219.502647526574
3.34
1.2735e-05
3.487e-08
d
yr
n .2952023111472213 3.0828e-09 deg/d
Q 2.657688625928451 1.8503e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   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      .52096  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:24:33  

Additional Information
 Earth MOID = .809702 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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