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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906311261593164 5.8578e-08  
a 2.569865708077094 1.8376e-08 AU
q 2.079969314068149 1.4608e-07 AU
i 8.735424155210655 6.3224e-06 deg
node 237.3810529313105 5.0334e-05 deg
peri 159.1707946787047 5.4572e-05 deg
M 37.06247498132308 2.4069e-05 deg
tp 2456845.584102463613
(2014-Jul-07.08410246)
9.9918e-05 JED
period 1504.749025563013
4.12
1.614e-05
4.419e-08
d
yr
n .2392425539968723 2.5661e-09 deg/d
Q 3.059762102086039 2.1879e-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 = 1.08993 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
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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