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13926 Berners-Lee (1986 XT)
Classification: Main-belt Asteroid          SPK-ID: 2013926
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2954133054480066 3.8846e-08  
a 2.561427183842658 1.0334e-08 au
q 1.80474751279932 9.5504e-08 au
i 3.271459349182197 4.3976e-06 deg
node 354.7695985203466 8.0917e-05 deg
peri 19.6263783510359 8.1539e-05 deg
M 139.3689472112485 1.4147e-05 deg
tp 2458620.824471117472
(2019-May-17.32447112)
5.6507e-05 TDB
period 1497.343522882459
4.10
9.0614e-06
2.481e-08
d
yr
n .2404257904071222 1.455e-09 deg/d
Q 3.318106854885996 1.3387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1305  
   data-arc span      12416 days (33.99 yr)  
   first obs. used      1986-11-25  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:15:05  

Additional Information
 Earth MOID = .804574 au 
 Jupiter MOID = 2.15329 au 
 T_jup = 3.370 
[ 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 14.56   n/a E2021B10  
diameter diameter 2.893 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13926 Berners-Lee           Discovered 1986 Dec. 2 by E. Bowell at the Lowell Observatory's Anderson Mesa Station.
Tim Berners-Lee (b. 1955) is the creator of a hypertext program that evolved into the World Wide Web. He founded the World Wide Web Consortium (W3C) at the Massachusetts Institute of Technology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

[ show close-approach data ]
Alternate Designations
 1986 XT = 1990 TL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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