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JPL Small-Body Database Browser
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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288619820371031 3.3456e-08  
a 2.413928586300735 8.9227e-09 au
q 2.102864964174 8.1156e-08 au
i 3.014778895064256 3.8305e-06 deg
node 156.8025163834184 7.1581e-05 deg
peri 342.602114820143 7.3095e-05 deg
M 120.0117563474852 1.5256e-05 deg
tp 2458543.825939096143
(2019-Mar-01.32593910)		 5.7344e-05 TDB
period 1369.887975386118
3.75		 7.5954e-06
2.08e-08		 d
yr
n .2627952113372848 1.4571e-09 deg/d
Q 2.72499220842747 1.0072e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      11097 days (30.38 yr)  
   first obs. used      1989-01-04  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:44:24  

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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