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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597936418589524 3.2587e-08  
a 2.618114106700996 1.6205e-08 au
q 2.199756118788946 8.849e-08 au
i 3.397286029429568 3.9091e-06 deg
node 102.1170905241924 0.00010145 deg
peri 331.3144769929635 0.00010356 deg
M 331.3954916444998 2.1722e-05 deg
tp 2458723.445679012502
(2019-Aug-27.94567901)
9.3921e-05 TDB
period 1547.324075436875
4.24
1.4366e-05
3.933e-08
d
yr
n .2326597289571396 2.1602e-09 deg/d
Q 3.036472094613046 1.8795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      10429 days (28.55 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60337  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:51:58  

Additional Information
 Earth MOID = 1.21523 au 
 Jupiter MOID = 2.22797 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 15.9   n/a MPO493562  

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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