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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0554430276595134 5.5182e-08  
a 2.637103558033649 1.9635e-08 au
q 2.490894552524588 1.5041e-07 au
i 3.337815716864915 6.1484e-06 deg
node 149.0687052342713 9.3282e-05 deg
peri 318.3681442975596 0.00010947 deg
M 23.84348344443966 5.7059e-05 deg
tp 2457496.900798591784
(2016-Apr-18.40079859)
0.00024773 JED
period 1564.18891534304
4.28
1.7469e-05
4.783e-08
d
yr
n .2301512281980651 2.5704e-09 deg/d
Q 2.78331256354271 2.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      791  
   data-arc span      9175 days (25.12 yr)  
   first obs. used      1991-02-19  
   last obs. used      2016-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55716  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:49:36  

Additional Information
 Earth MOID = 1.50728 au 
 Jupiter MOID = 2.27513 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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