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129794 (1999 JT116)
Classification: Main-belt Asteroid          SPK-ID: 2129794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068674113884686 3.4895e-08  
a 2.32852109829834 9.1166e-09 au
q 1.846825966329929 8.2707e-08 au
i 1.25069914510809 4.3507e-06 deg
node 299.2000077994153 0.00022066 deg
peri 340.8854097561169 0.00022104 deg
M 301.8414985247435 1.3625e-05 deg
tp 2459210.166671140851
(2020-Dec-26.66667114)
4.9669e-05 TDB
period 1297.832641764668
3.55
7.6219e-06
2.087e-08
d
yr
n .2773855337083422 1.629e-09 deg/d
Q 2.810216230266752 1.1003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      8152 days (22.32 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:47:17  

Additional Information
 Earth MOID = .830417 au 
 Jupiter MOID = 2.33064 au 
 T_jup = 3.543 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO432776  

129794 (1999 JT116)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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