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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906311257197713 5.8785e-08  
a 2.569865708419713 1.8739e-08 AU
q 2.079969315475026 1.4691e-07 AU
i 8.735423980894106 6.3728e-06 deg
node 237.3810541888344 5.0812e-05 deg
peri 159.1707937292385 5.5155e-05 deg
M 37.06247450326177 2.4766e-05 deg
tp 2456845.584104430861
(2014-Jul-07.08410443)
0.00010277 JED
period 1504.749025863937
4.12
1.6459e-05
4.506e-08
d
yr
n .2392425539490279 2.6168e-09 deg/d
Q 3.059762101364401 2.2312e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      19840 days (54.32 yr)  
   first obs. used      1960-09-24  
   last obs. used      2015-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52596  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:42:38  

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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