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91686 (1999 TU126)
Classification: Main-belt Asteroid          SPK-ID: 2091686
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565918209946457 4.4803e-08  
a 3.017004910276929 2.3183e-08 au
q 2.544566617426877 1.346e-07 au
i 11.33441030787338 7.3997e-06 deg
node 214.5361094116565 2.5268e-05 deg
peri 94.71951798316324 3.5088e-05 deg
M 30.73513306760129 2.4898e-05 deg
tp 2458837.083821848236
(2019-Dec-19.58382185)
0.00013185 TDB
period 1914.090432120138
5.24
2.2062e-05
6.04e-08
d
yr
n .1880788879975993 2.1678e-09 deg/d
Q 3.489443203126981 2.6813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      15273 days (41.82 yr)  
   first obs. used      1978-11-28  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56673  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:17:11  

Additional Information
 Earth MOID = 1.5624 au 
 Jupiter MOID = 1.89504 au 
 T_jup = 3.199 
[ 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 14.8   n/a MPO348076  

91686 (1999 TU126)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TU126 = 1978 WJ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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