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26430 Thomwilkason (1999 XW176)
Classification: Main-belt Asteroid          SPK-ID: 2026430
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06983749433559983 3.6575e-08  
a 2.586651178367337 1.3085e-08 au
q 2.406005941349935 9.6628e-08 au
i 6.518578081687585 3.9676e-06 deg
node 67.16397614464465 3.46e-05 deg
peri 98.82233748234606 4.4172e-05 deg
M 283.7171601794583 2.8445e-05 deg
tp 2459322.480505303886
(2021-Apr-17.98050530)
0.0001206 TDB
period 1519.515820099104
4.16
1.153e-05
3.157e-08
d
yr
n .236917572846672 1.7977e-09 deg/d
Q 2.767296415384738 1.3999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      10665 days (29.20 yr)  
   first obs. used      1990-11-15  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:45:01  

Additional Information
 Earth MOID = 1.4229 au 
 Jupiter MOID = 2.2193 au 
 T_jup = 3.409 
[ 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 14.6   n/a MPO502355  
diameter diameter 3.379 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26430 Thomwilkason           Discovered 1999 Dec. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Thomas Frederick Wilkason (b. 1993) was awarded second place in the 2010 Intel International Science and Engineering Fair for his computer-science project. He attends the Mount de Sales Academy, Macon, Georgia, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 1999 XW176 = 1992 DK5 = 1998 SF126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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