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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189728549575477 5.9261e-08  
a 2.233861347939923 1.5541e-08 AU
q 1.810034074442562 1.3145e-07 AU
i 3.870592889080919 6.2566e-06 deg
node 43.86715856593636 7.8136e-05 deg
peri 317.072158882797 8.0533e-05 deg
M 294.6742976581576 2.629e-05 deg
tp 2457221.791297047931
(2015-Jul-18.29129705)
9.0724e-05 JED
period 1219.502647218049
3.34
1.2726e-05
3.484e-08
d
yr
n .2952023112219054 3.0807e-09 deg/d
Q 2.657688621437285 1.849e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      985  
   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      .52136  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:33:50  

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
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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