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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916657872481347 8.603e-08  
a 2.401375072729905 1.8299e-08 au
q 1.94111362893708 2.0325e-07 au
i 2.357257132523528 8.1933e-06 deg
node .6939717824855777 0.0001683 deg
peri 39.2068060016093 0.00017005 deg
M 121.2087795242936 1.9113e-05 deg
tp 2456942.864189002968
(2014-Oct-12.36418900)
7.3109e-05 JED
period 1359.215830779909
3.72
1.5536e-05
4.254e-08
d
yr
n .2648585985004562 3.0274e-09 deg/d
Q 2.861636516522728 2.1806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      1997-02-13  
   last obs. used      2015-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56595  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 22:39:07  

Additional Information
 Earth MOID = .948311 au 
 Jupiter MOID = 2.5595 au 
 T_jup = 3.499 
[ 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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