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100157 (1993 TU26)
Classification: Main-belt Asteroid          SPK-ID: 2100157
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598527230422208 2.9611e-08  
a 2.618064634660328 1.3071e-08 au
q 2.199559873709337 7.6568e-08 au
i 3.397337100500391 3.8724e-06 deg
node 102.1166350473353 8.3407e-05 deg
peri 331.2293961077868 8.5358e-05 deg
M 64.52147053682268 1.7319e-05 deg
tp 2458723.186680534209
(2019-Aug-27.68668053)		 7.4019e-05 TDB
period 1547.280218151719
4.24		 1.1588e-05
3.173e-08		 d
yr
n .2326663236411261 1.7424e-09 deg/d
Q 3.036569395611318 1.5161e-08 au
   Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      10605 days (29.03 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:50:26  

Additional Information
 Earth MOID = 1.21521 au 
 Jupiter MOID = 2.22783 au 
 T_jup = 3.385 
[ 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 16.09   n/a E2021B55  

100157 (1993 TU26)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1993 TU26 = 2002 YD28 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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