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24070 Toniwest (1999 TH173)
Classification: Main-belt Asteroid          SPK-ID: 2024070
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09995082562857185 6.5414e-08  
a 2.340814141149761 1.3607e-08 au
q 2.106847835098806 1.5593e-07 au
i 3.585930508389263 5.0332e-06 deg
node 114.7926734441815 9.8829e-05 deg
peri 42.99039987103563 0.00010214 deg
M 80.97066517426811 2.4841e-05 deg
tp 2457106.278753050902
(2015-Mar-24.77875305)
9.0642e-05 JED
period 1308.123734363688
3.58
1.1406e-05
3.123e-08
d
yr
n .2752033240763078 2.3996e-09 deg/d
Q 2.574780447200717 1.4967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      8262 days (22.62 yr)  
   first obs. used      1992-11-21  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:03:17  

Additional Information
 Earth MOID = 1.11799 au 
 Jupiter MOID = 2.40993 au 
 T_jup = 3.555 
[ 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 15.3 mag n/a MPO337462  

24070 Toniwest           Discovered 1999 Oct. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Toni West mentored a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Meadow Park Middle School, Summa Academy, Beaverton, Oregon.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28

[ show close-approach data ]
Alternate Designations
 1999 TH173 = 1997 AL23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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