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JPL Small-Body Database Browser
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26106 (1990 WJ2)
Classification: Main-belt Asteroid          SPK-ID: 2026106
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08143999780202048 5.7942e-08  
a 2.65391558417919 1.6498e-08 au
q 2.437780704836889 1.5481e-07 au
i 21.56747815475414 6.1906e-06 deg
node 216.4662589246196 1.2876e-05 deg
peri 195.6923859490642 3.106e-05 deg
M 303.5843447011966 3.0702e-05 deg
tp 2459247.972086635883
(2021-Feb-02.47208664)		 0.00013552 TDB
period 1579.170723393288
4.32		 1.4725e-05
4.031e-08		 d
yr
n .2279677521037369 2.1257e-09 deg/d
Q 2.870050463521491 1.7841e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1040  
   data-arc span      10544 days (28.87 yr)  
   first obs. used      1990-11-11  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:38:33  

Additional Information
 Earth MOID = 1.45044 au 
 Jupiter MOID = 2.52297 au 
 T_jup = 3.285 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO302220  
diameter diameter 4.978 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26106 (1990 WJ2)          Discovered 1990-Nov-18 by Elst, E. W. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 WJ2 = 2001 FP8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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