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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894969590367424 5.788e-08  
a 2.233731714826601 9.0147e-09 au
q 1.810446347563032 1.2782e-07 au
i 3.870643748085488 5.7649e-06 deg
node 43.86084572595323 5.6681e-05 deg
peri 317.0603796520761 5.8454e-05 deg
M 111.8275924406816 1.4804e-05 deg
tp 2457221.716182469435
(2015-Jul-18.21618247)
4.9708e-05 JED
period 1219.396495398361
3.34
7.3817e-06
2.021e-08
d
yr
n .2952280093952482 1.7872e-09 deg/d
Q 2.65701708209017 1.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1398  
   data-arc span      11094 days (30.37 yr)  
   first obs. used      1985-11-17  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50721  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:15:51  

Additional Information
 Earth MOID = .808896 au 
 Jupiter MOID = 2.78775 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 14.0 mag n/a MPO347629  

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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