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91680 (1999 TX119)
Classification: Main-belt Asteroid          SPK-ID: 2091680
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568953170012375 3.9063e-08  
a 3.021113476879153 2.2197e-08 au
q 2.547114920227488 1.1777e-07 au
i 4.544515412083849 4.265e-06 deg
node 246.0495225351522 5.2373e-05 deg
peri 171.3717517453788 5.4228e-05 deg
M 303.5588873597844 1.3109e-05 deg
tp 2459301.205969750608
(2021-Mar-27.70596975)
7.0642e-05 TDB
period 1918.001684344634
5.25
2.1138e-05
5.787e-08
d
yr
n .1876953513328166 2.0686e-09 deg/d
Q 3.495112033530819 2.5679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      7674 days (21.01 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:17:11  

Additional Information
 Earth MOID = 1.55939 au 
 Jupiter MOID = 1.84844 au 
 T_jup = 3.223 
[ 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 14.9   n/a MPO449563  

91680 (1999 TX119)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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