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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906311112258312 6.1683e-08  
a 2.569865720007323 2.3724e-08 AU
q 2.079969362101156 1.5861e-07 AU
i 8.735425639837228 6.6291e-06 deg
node 237.3810379713271 5.4021e-05 deg
peri 159.170822095161 6.0271e-05 deg
M 37.06245555341975 3.4015e-05 deg
tp 2456845.584182590736
(2014-Jul-07.08418259)
0.00014073 JED
period 1504.749036041381
4.12
2.0837e-05
5.705e-08
d
yr
n .239242552330899 3.3129e-09 deg/d
Q 3.05976207791349 2.8246e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      19779 days (54.15 yr)  
   first obs. used      1960-09-24  
   last obs. used      2014-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:26:41  

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 2015-Jan-26 06:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin