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91656 (1999 TS103)
Classification: Main-belt Asteroid          SPK-ID: 2091656
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041710068636627 5.1705e-08  
a 2.968399023691298 1.4811e-08 au
q 2.659177908620262 1.5562e-07 au
i 10.21952099099931 6.408e-06 deg
node 359.3240975849262 1.9881e-05 deg
peri 16.03228480289642 3.0358e-05 deg
M 94.23061716587661 2.1979e-05 deg
tp 2458907.542196335824
(2020-Feb-28.04219634)
0.00011382 TDB
period 1868.021399130204
5.11
1.3981e-05
3.828e-08
d
yr
n .1927172783821559 1.4424e-09 deg/d
Q 3.277620138762335 1.6354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      7908 days (21.65 yr)  
   first obs. used      1999-09-18  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:41:08  

Additional Information
 Earth MOID = 1.66026 au 
 Jupiter MOID = 2.19578 au 
 T_jup = 3.231 
[ 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 14.02   n/a E2021B10  

91656 (1999 TS103)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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