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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914296900066206 5.8641e-08  
a 2.570777222925797 1.8813e-08 au
q 2.078654136065031 1.4646e-07 au
i 8.736716866257513 6.3226e-06 deg
node 237.2706139606825 5.0322e-05 deg
peri 159.3968117474218 5.4509e-05 deg
M 132.5190318224833 2.4384e-05 deg
tp 2456846.294482076011
(2014-Jul-07.79448208)
9.9421e-05 JED
period 1505.549683760867
4.12
1.6526e-05
4.525e-08
d
yr
n .2391153237140066 2.6247e-09 deg/d
Q 3.062900309786563 2.2414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      19896 days (54.47 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51147  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:51:58  

Additional Information
 Earth MOID = 1.08754 au 
 Jupiter MOID = 2.36568 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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