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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07008619009545192 3.716e-08  
a 2.585849751248252 1.3503e-08 au
q 2.40461739402399 9.7592e-08 au
i 6.519151588136697 3.995e-06 deg
node 67.16166582185909 3.5852e-05 deg
peri 99.02092063129614 4.5297e-05 deg
M 188.7375852335507 2.8348e-05 deg
tp 2459323.041705240017
(2021-Apr-18.54170524)
0.0001206 TDB
period 1518.809683030133
4.16
1.1896e-05
3.257e-08
d
yr
n .2370277224476041 1.8566e-09 deg/d
Q 2.767082108472514 1.4449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1196  
   data-arc span      10577 days (28.96 yr)  
   first obs. used      1990-11-15  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50509  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:53:10  

Additional Information
 Earth MOID = 1.42191 au 
 Jupiter MOID = 2.2207 au 
 T_jup = 3.410 
[ 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 14.5   n/a MPO452539  
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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