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26402 (1999 WB5)
Classification: Main-belt Asteroid          SPK-ID: 2026402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288619816662155 3.3398e-08  
a 2.413928586396725 8.9059e-09 au
q 2.102864965152917 8.0988e-08 au
i 3.014778831985123 3.8214e-06 deg
node 156.8025158674509 7.1489e-05 deg
peri 342.6021151356004 7.2997e-05 deg
M 120.0117564832063 1.5239e-05 deg
tp 2458543.825938552452
(2019-Mar-01.32593855)
5.7274e-05 TDB
period 1369.887975467828
3.75
7.581e-06
2.076e-08
d
yr
n .2627952113216098 1.4543e-09 deg/d
Q 2.724992207640533 1.0054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      11527 days (31.56 yr)  
   first obs. used      1989-01-04  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:08  

Additional Information
 Earth MOID = 1.11624 au 
 Jupiter MOID = 2.29165 au 
 T_jup = 3.505 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO319411  

26402 (1999 WB5)          Discovered 1999-Nov-28 by Kobayashi, T. at Oizumi
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 WB5 = 1989 AB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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