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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038713051385847 7.5557e-08  
a 2.967072951740987 1.7195e-08 au
q 2.658879211802258 2.3134e-07 au
i 10.21983670795372 8.1796e-06 deg
node 359.3348261954428 2.0752e-05 deg
peri 15.85499014528292 3.3449e-05 deg
M 18.06991235913469 2.6672e-05 deg
tp 2458906.798982043267
(2020-Feb-27.29898204)
0.00013804 TDB
period 1866.769788032283
5.11
1.6228e-05
4.443e-08
d
yr
n .1928464893249998 1.6764e-09 deg/d
Q 3.275266691679716 1.8981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      7375 days (20.19 yr)  
   first obs. used      1999-09-18  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5191  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:17:20  

Additional Information
 Earth MOID = 1.66069 au 
 Jupiter MOID = 2.19619 au 
 T_jup = 3.232 
[ 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 14.0   n/a MPO493513  

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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