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150035 Williamson (2005 WO)
Classification: Main-belt Asteroid          SPK-ID: 2150035
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07156892861237772 4.4414e-08  
a 3.116309379834049 2.9206e-08 au
q 2.893278456294623 1.5011e-07 au
i 11.33595932612697 5.7436e-06 deg
node 66.69444769950535 2.2366e-05 deg
peri 267.1549142440221 4.6334e-05 deg
M 350.6456650383231 4.2629e-05 deg
tp 2459252.711923564156
(2021-Feb-07.21192356)
0.00023823 TDB
period 2009.367053895458
5.50
2.8248e-05
7.734e-08
d
yr
n .1791608951197275 2.5186e-09 deg/d
Q 3.339340303373476 3.1296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:16:50  

Additional Information
 Earth MOID = 1.91062 au 
 Jupiter MOID = 1.93689 au 
 T_jup = 3.183 
[ 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 14.78   n/a E2021B55  
diameter diameter 3.480 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150035 Williamson           Discovered 2005 Nov. 20 by J. Young at Table Mountain Observatory.
Bruce Williamson (b. 1953) has been the senior technician and precision machinist operating and maintaining the machine shop at the Table Mountain Facility since 1990. He also operates and maintains the special equipment for this NASA site's winter snow removal.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

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