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24238 Adkerson (1999 XQ97)
Classification: Main-belt Asteroid          SPK-ID: 2024238
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07933661713498855 9.4967e-08  
a 2.385718497894632 2.1653e-08 AU
q 2.196443662835306 2.2393e-07 AU
i 6.939286953044029 8.8075e-06 deg
node 61.97605335811444 5.3762e-05 deg
peri 157.5076510363915 6.5975e-05 deg
M 197.3425346288621 3.8597e-05 deg
tp 2457408.633213890150
(2016-Jan-21.13321389)
0.00014378 JED
period 1345.944721940201
3.68
1.8324e-05
5.017e-08
d
yr
n .2674701227558992 3.6414e-09 deg/d
Q 2.574993332953958 2.3371e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      6682 days (18.29 yr)  
   first obs. used      1995-10-17  
   last obs. used      2014-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55609  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:37:15  

Additional Information
 Earth MOID = 1.1896 AU 
 T_jup = 3.521 
[ 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 14.1 mag n/a MPO267797  

24238 Adkerson           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team in Socorro.
Timothy Adkerson mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Jefferson City High School, Jefferson City, Missouri.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080221/MPCPages.arcLast Updated: 2008-03-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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