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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06977876122352016 3.6216e-08  
a 2.586839184370907 1.1607e-08 au
q 2.406332750601044 9.6269e-08 au
i 6.518047977520217 3.5601e-06 deg
node 67.16016803490957 3.3553e-05 deg
peri 98.72435238395049 4.1926e-05 deg
M 331.1867916583756 2.4885e-05 deg
tp 2459322.130275903052
(2021-Apr-17.63027590)
0.00010505 TDB
period 1519.681487946022
4.16
1.0228e-05
2.8e-08
d
yr
n .2368917453134014 1.5943e-09 deg/d
Q 2.76734561814077 1.2416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1396  
   data-arc span      11028 days (30.19 yr)  
   first obs. used      1990-11-15  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:19:25  

Additional Information
 Earth MOID = 1.4229 au 
 Jupiter MOID = 2.21833 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 14.63   n/a E2021B10  
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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