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15247 (1989 WS)
Classification: Main-belt Asteroid          SPK-ID: 2015247
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920534454664477 5.8253e-08  
a 2.569458639522222 1.7354e-08 au
q 2.075985254818448 1.4493e-07 au
i 8.742705375973589 5.9767e-06 deg
node 237.2380064938058 4.5813e-05 deg
peri 159.3998773745886 4.9506e-05 deg
M 180.3741117091587 2.2395e-05 deg
tp 2458351.132392432832
(2018-Aug-20.63239243)
9.7516e-05 JED
period 1504.391509748754
4.12
1.5241e-05
4.173e-08
d
yr
n .2392994095400891 2.4243e-09 deg/d
Q 3.062932024225996 2.0687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      20293 days (55.56 yr)  
   first obs. used      1960-09-24  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51695  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:21:33  

Additional Information
 Earth MOID = 1.08474 au 
 Jupiter MOID = 2.36442 au 
 T_jup = 3.388 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO332961  

15247 (1989 WS)          Discovered 1989-Nov-20 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 WS = 1993 TZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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