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91779 (1999 TL208)
Classification: Main-belt Asteroid          SPK-ID: 2091779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09150617255709051 4.1815e-08  
a 3.103200945433979 3.0105e-08 au
q 2.819238904241771 1.3759e-07 au
i 15.87891177669217 7.3276e-06 deg
node 348.7481209409404 1.6265e-05 deg
peri 80.74512605157547 5.1684e-05 deg
M 250.5317141500009 4.5532e-05 deg
tp 2459607.654323632695
(2022-Jan-28.15432363)
0.0002521 TDB
period 1996.702102445245
5.47
2.9056e-05
7.955e-08
d
yr
n .1802973010140717 2.6237e-09 deg/d
Q 3.387162986626187 3.286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1993-08-20  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56066  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:02:45  

Additional Information
 Earth MOID = 1.88613 au 
 Jupiter MOID = 1.90909 au 
 T_jup = 3.156 
[ 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 14.1   n/a MPO436413  
diameter diameter 8.966 km 1.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.055   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91779 (1999 TL208)          Discovered 1999-Oct-14 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TL208 = 1993 QO6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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