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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05537978938610889 5.8453e-08  
a 2.637517036279749 2.5772e-08 AU
q 2.491451898308302 1.5472e-07 AU
i 3.337717988195299 7.4263e-06 deg
node 149.0668503732944 0.00010854 deg
peri 317.9575966385831 0.00013126 deg
M 246.1476548663596 7.5099e-05 deg
tp 2457495.301282954805
(2016-Apr-16.80128295)
0.00032867 JED
period 1564.556809564544
4.28
2.2932e-05
6.278e-08
d
yr
n .2300971098008242 3.3726e-09 deg/d
Q 2.783582174251196 2.72e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      8560 days (23.44 yr)  
   first obs. used      1991-02-19  
   last obs. used      2014-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:44:43  

Additional Information
 Earth MOID = 1.50933 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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