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27522 Lenkenyon (2000 HF29)
Classification: Main-belt Asteroid          SPK-ID: 2027522
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0553548500001765 5.9922e-08  
a 2.637786780293052 2.762e-08 AU
q 2.491772488737481 1.568e-07 AU
i 3.337444249728772 7.532e-06 deg
node 149.0671012349478 0.00011801 deg
peri 317.8280146611874 0.00014344 deg
M 200.2705190367489 8.0279e-05 deg
tp 2457494.789404575887
(2016-Apr-16.28940458)
0.00035052 JED
period 1564.796831117381
4.28
2.4577e-05
6.729e-08
d
yr
n .2300618155923368 3.6134e-09 deg/d
Q 2.783801071848622 2.9149e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      8507 days (23.29 yr)  
   first obs. used      1991-02-19  
   last obs. used      2014-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5801  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:21:48  

Additional Information
 Earth MOID = 1.5094 AU 
 T_jup = 3.392 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO266096  

27522 Lenkenyon           Discovered 2000 Apr. 27 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Leonard Kenyon mentored a finalist in the 2011 Broadcom MASTERS, a math and science competition for middle-school students. He teaches at the Tippecanoe Middle School, Tipp City , Ohio.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2000 HF29 = 1998 XU59 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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