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91717 (1999 TL155)
Classification: Main-belt Asteroid          SPK-ID: 2091717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08286067536530509 3.2173e-08  
a 3.046473739323349 1.8881e-08 au
q 2.79404086780035 9.4002e-08 au
i 8.882939971948884 5.055e-06 deg
node 14.51177503346444 2.1696e-05 deg
peri 260.9720069661024 3.9583e-05 deg
M 136.9585929201769 3.4377e-05 deg
tp 2458657.607310226159
(2019-Jun-23.10731023)
0.00018477 TDB
period 1942.202841362538
5.32
1.8055e-05
4.943e-08
d
yr
n .185356540693476 1.7231e-09 deg/d
Q 3.298906610846348 2.0445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1228  
   data-arc span      7765 days (21.26 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:41:00  

Additional Information
 Earth MOID = 1.79609 au 
 Jupiter MOID = 1.83409 au 
 T_jup = 3.215 
[ 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 14.22   n/a E2021B10  

91717 (1999 TL155)          Discovered 1999-Oct-07 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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