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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906311106698229 6.1794e-08  
a 2.569865720475018 2.3908e-08 AU
q 2.079969363908561 1.5906e-07 AU
i 8.735425655075742 6.631e-06 deg
node 237.3810377527876 5.4113e-05 deg
peri 159.1708227767788 6.044e-05 deg
M 37.06245483666017 3.4354e-05 deg
tp 2456845.584185544400
(2014-Jul-07.08418554)
0.00014213 JED
period 1504.74903645216
4.12
2.0998e-05
5.749e-08
d
yr
n .2392425522655886 3.3386e-09 deg/d
Q 3.059762077041475 2.8466e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      19752 days (54.08 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53874  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:24:05  

Additional Information
 Earth MOID = 1.08993 AU 
 T_jup = 3.389 
[ 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 13.7 mag n/a MPO266038  

15247 (1989 WS)          Discovered 1989-Nov-20 by Ueda, S., Kaneda, H. at Kushiro (399)
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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