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173284 (1999 TG117)
Classification: Main-belt Asteroid          SPK-ID: 2173284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3041234698023426 4.6338e-08  
a 2.568150070439206 1.4633e-08 au
q 1.787115360044104 1.1365e-07 au
i 3.562730818134612 7.9628e-06 deg
node 357.6963611550382 0.00010144 deg
peri 61.26506691811687 0.00010325 deg
M 338.567797691373 2.1761e-05 deg
tp 2459089.993877175557
(2020-Aug-28.49387718)
9.1342e-05 TDB
period 1503.242425545415
4.12
1.2848e-05
3.518e-08
d
yr
n .2394823309150437 2.0469e-09 deg/d
Q 3.349184780834307 1.9084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      1995-11-24  
   last obs. used      2017-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57437  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 07:14:46  

Additional Information
 Earth MOID = .802723 au 
 Jupiter MOID = 2.03331 au 
 T_jup = 3.362 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO475467  

173284 (1999 TG117)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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