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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08126426707796117 5.7977e-08  
a 2.656160279213837 1.6612e-08 au
q 2.440309360881932 1.5485e-07 au
i 21.57315183486114 6.1968e-06 deg
node 216.514150620047 1.2868e-05 deg
peri 195.002808003271 3.1123e-05 deg
M 213.1175828962241 3.0458e-05 deg
tp 2459245.629874582521
(2021-Jan-31.12987458)		 0.00013594 TDB
period 1581.174652685758
4.33		 1.4833e-05
4.061e-08		 d
yr
n .2276788331943658 2.1358e-09 deg/d
Q 2.872011197545742 1.7961e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1036  
   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      .50256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:51:23  

Additional Information
 Earth MOID = 1.45203 au 
 Jupiter MOID = 2.52225 au 
 T_jup = 3.283 
[ 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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