Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
15247 (1989 WS)
Classification: Main-belt Asteroid          SPK-ID: 2015247
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906311108076551 6.1982e-08  
a 2.569865720330244 2.4234e-08 AU
q 2.079969363437175 1.5982e-07 AU
i 8.735425656839865 6.6342e-06 deg
node 237.3810376896394 5.4352e-05 deg
peri 159.1708227106313 6.0773e-05 deg
M 37.06245503391317 3.4961e-05 deg
tp 2456845.584184733001
(2014-Jul-07.08418473)
0.00014462 JED
period 1504.749036325004
4.12
2.1285e-05
5.828e-08
d
yr
n .2392425522858053 3.3841e-09 deg/d
Q 3.059762077223313 2.8854e-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 = 1.08993 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-25 07:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin