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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289716032658202 3.3446e-08  
a 2.412520012757018 9.1512e-09 au
q 2.101373438800869 8.129e-08 au
i 3.014655270965776 3.8323e-06 deg
node 156.8303079454611 7.1969e-05 deg
peri 342.2845025988137 7.3486e-05 deg
M 15.11596680638777 1.518e-05 deg
tp 2458543.030390961915
(2019-Feb-28.53039096)		 5.7624e-05 TDB
period 1368.689116528607
3.75		 7.7876e-06
2.132e-08		 d
yr
n .2630253982826025 1.4966e-09 deg/d
Q 2.723666586713168 1.0331e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      11081 days (30.34 yr)  
   first obs. used      1989-01-04  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5118  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:24:39  

Additional Information
 Earth MOID = 1.11525 au 
 Jupiter MOID = 2.2952 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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