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 ]  
26218 (1997 WJ13)
Classification: Main-belt Asteroid          SPK-ID: 2026218
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04964010063583762 5.9367e-08  
a 2.997240819085586 3.3999e-08 AU
q 2.848457483196337 1.7985e-07 AU
i 7.996604511485464 7.7096e-06 deg
node 262.6307401690122 4.9487e-05 deg
peri 128.3555814444852 9.7616e-05 deg
M 98.08130029681496 8.2947e-05 deg
tp 2456284.125724360858
(2012-Dec-22.62572436)
0.00043689 JED
period 1895.312752456726
5.19
3.2249e-05
8.829e-08
d
yr
n .1899422665379969 3.2319e-09 deg/d
Q 3.146024154974834 3.5686e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      5954 days (16.30 yr)  
   first obs. used      1997-11-24  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57209  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 00:17:04  

Additional Information
 Earth MOID = 1.86226 AU 
 T_jup = 3.237 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO253538  

26218 (1997 WJ13)          Discovered 1997-Nov-24 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-25 06:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin