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175819 (1999 TN18)
Classification: Main-belt Asteroid          SPK-ID: 2175819
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1922435118743259 8.3676e-08  
a 2.400300058341565 1.677e-08 au
q 1.938857945573834 1.9813e-07 au
i 2.356589793657943 8.0446e-06 deg
node .6890523579716212 0.00014329 deg
peri 39.18575074103497 0.00014427 deg
M 174.2001983191496 1.5119e-05 deg
tp 2456943.231415581486
(2014-Oct-12.73141558)
5.6426e-05 JED
period 1358.303220511628
3.72
1.4235e-05
3.897e-08
d
yr
n .2650365504282614 2.7776e-09 deg/d
Q 2.861742171109297 1.9994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      6996 days (19.15 yr)  
   first obs. used      1997-02-13  
   last obs. used      2016-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56689  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 17:26:08  

Additional Information
 Earth MOID = .945912 au 
 Jupiter MOID = 2.55809 au 
 T_jup = 3.500 
[ 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 17.0 mag n/a MPO266545  

175819 (1999 TN18)          Discovered 1999-Oct-14 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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