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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05020064853588668 5.8827e-08  
a 2.994843530653918 2.9825e-08 AU
q 2.844500443151587 1.7551e-07 AU
i 7.994544819861194 6.385e-06 deg
node 262.5943657004832 4.8496e-05 deg
peri 127.6489502405302 8.4558e-05 deg
M 136.8162395429821 7.1158e-05 deg
tp 2456281.059667432411
(2012-Dec-19.55966743)
0.00037099 JED
period 1893.039310168769
5.18
2.8279e-05
7.742e-08
d
yr
n .1901703773747335 2.8408e-09 deg/d
Q 3.145186618156249 3.1323e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      6326 days (17.32 yr)  
   first obs. used      1997-11-24  
   last obs. used      2015-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56996  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:22:18  

Additional Information
 Earth MOID = 1.85933 AU 
 T_jup = 3.238 
[ 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 13.7 mag n/a MPO324551  

26218 (1997 WJ13)          Discovered 1997-Nov-24 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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