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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905685667494494 6.1955e-08  
a 2.569581204932489 2.4745e-08 AU
q 2.079899797562181 1.5988e-07 AU
i 8.735890472884751 6.6345e-06 deg
node 237.3821458578362 5.4349e-05 deg
peri 159.132923416035 6.0784e-05 deg
M 349.2371584020241 3.4517e-05 deg
tp 2456845.479683498566
(2014-Jul-06.97968350)
0.0001447 JED
period 1504.499152206151
4.12
2.1732e-05
5.95e-08
d
yr
n .2392822883762395 3.4564e-09 deg/d
Q 3.059262612302797 2.946e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      19284 days (52.80 yr)  
   first obs. used      1960-09-24  
   last obs. used      2013-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53963  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:14:36  

Additional Information
 Earth MOID = 1.0889 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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