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91732 (1999 TK164)
Classification: Main-belt Asteroid          SPK-ID: 2091732
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02791012554727075 4.0316e-08  
a 2.808827606321386 1.5117e-08 au
q 2.730432875188316 1.1615e-07 au
i 11.70218240618227 4.4087e-06 deg
node 348.3292592110142 1.9514e-05 deg
peri 339.5696443695414 9.1533e-05 deg
M 266.6697011005407 9.1725e-05 deg
tp 2459842.265250496280
(2022-Sep-19.76525050)
0.00043834 TDB
period 1719.436153863967
4.71
1.3881e-05
3.8e-08
d
yr
n .2093709610508059 1.6902e-09 deg/d
Q 2.887222337454455 1.5539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      10717 days (29.34 yr)  
   first obs. used      1992-02-26  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:17:51  

Additional Information
 Earth MOID = 1.72226 au 
 Jupiter MOID = 2.22898 au 
 T_jup = 3.291 
[ 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 14.57   n/a MPO637246  
diameter diameter 3.273 km 0.823 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.314   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91732 (1999 TK164)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TK164 = 1992 EL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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