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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002926817801763 6.9434e-08  
a 2.341616600243987 1.8394e-08 AU
q 2.106769591704538 1.6252e-07 AU
i 3.58612314604342 5.2744e-06 deg
node 114.7975372254768 0.0001332 deg
peri 43.14787902308624 0.00013861 deg
M 330.7685991720077 4.1739e-05 deg
tp 2457106.772093642849
(2015-Mar-25.27209364)
0.00015232 JED
period 1308.796452710182
3.58
1.5421e-05
4.222e-08
d
yr
n .2750618702048988 3.241e-09 deg/d
Q 2.576463608783435 2.0239e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1992-11-21  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55967  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:44:11  

Additional Information
 Earth MOID = 1.11851 AU 
 T_jup = 3.554 
[ 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 15.2 mag n/a MPO270293  

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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