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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2956306030841309 3.7739e-08  
a 2.56100764105107 1.0123e-08 au
q 1.803895407624075 9.289e-08 au
i 3.271719353593679 4.1335e-06 deg
node 354.7703106235488 6.2236e-05 deg
peri 19.62458554198179 6.2886e-05 deg
M 186.4930895610816 1.3939e-05 deg
tp 2460117.987836939333
(2023-Jun-22.48783694)
6.135e-05 TDB
period 1496.975657287135
4.10
8.8754e-06
2.43e-08
d
yr
n .2404848724476942 1.4258e-09 deg/d
Q 3.318119874478066 1.3115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1443  
   data-arc span      12577 days (34.43 yr)  
   first obs. used      1986-11-25  
   last obs. used      2021-05-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:09:30  

Additional Information
 Earth MOID = .80436 au 
 Jupiter MOID = 2.1541 au 
 T_jup = 3.370 
[ 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 14.57   n/a MPCxxxxx  
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

Alternate Designations
 1986 XT = 1990 TL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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