Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09986649400632709 6.5429e-08  
a 2.341074835154078 1.3573e-08 au
q 2.1072798991608 1.5594e-07 au
i 3.585800170139869 5.033e-06 deg
node 114.7933661525645 9.8832e-05 deg
peri 43.04496019382411 0.00010215 deg
M 135.9557591011663 2.4799e-05 deg
tp 2457106.398149797616
(2015-Mar-24.89814980)
9.0712e-05 JED
period 1308.342266990676
3.58
1.1378e-05
3.115e-08
d
yr
n .2751573568192043 2.3929e-09 deg/d
Q 2.574869771147356 1.4928e-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 = 1.11731 au 
 Jupiter MOID = 2.40959 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-02 10:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin