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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04964012312557878 6.6367e-08  
a 2.997240811241609 3.7123e-08 AU
q 2.848457408334566 2.0026e-07 AU
i 7.996609830561427 8.3081e-06 deg
node 262.6307659833059 5.313e-05 deg
peri 128.3555972207805 0.00010492 deg
M 98.08125944124826 8.9232e-05 deg
tp 2456284.125941482593
(2012-Dec-22.62594148)
0.00046967 JED
period 1895.312745016488
5.19
3.5212e-05
9.641e-08
d
yr
n .1899422672836341 3.5288e-09 deg/d
Q 3.146024214148652 3.8966e-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      .58153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:23:44  

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 ]
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