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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02759826130683442 4.9863e-08  
a 2.809936139325239 1.6389e-08 au
q 2.732386787496623 1.3903e-07 au
i 11.70052763123732 4.7288e-06 deg
node 348.327426086568 2.0553e-05 deg
peri 339.0038751053538 9.5472e-05 deg
M 184.3490657742728 9.6503e-05 deg
tp 2459839.942715944600
(2022-Sep-17.44271594)
0.00046235 TDB
period 1720.454144307042
4.71
1.5052e-05
4.121e-08
d
yr
n .2092470765299004 1.8306e-09 deg/d
Q 2.887485491153854 1.6841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1106  
   data-arc span      10289 days (28.17 yr)  
   first obs. used      1992-02-26  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:43:10  

Additional Information
 Earth MOID = 1.72503 au 
 Jupiter MOID = 2.22858 au 
 T_jup = 3.290 
[ 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 14.5   n/a MPO459429  
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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