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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002926912867513 6.5536e-08  
a 2.341616601919735 1.369e-08 AU
q 2.106769570951468 1.5652e-07 AU
i 3.586124602955565 5.0578e-06 deg
node 114.7975201297592 9.88e-05 deg
peri 43.14790151521944 0.00010208 deg
M 330.7685928877932 2.49e-05 deg
tp 2457106.772116603477
(2015-Mar-25.27211660)
9.0369e-05 JED
period 1308.796454115118
3.58
1.1477e-05
3.142e-08
d
yr
n .2750618699096319 2.4121e-09 deg/d
Q 2.576463632888002 1.5063e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1992-11-21  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53222  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:34:23  

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 15.3 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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