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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598527198743718 3.0091e-08  
a 2.618064636858664 1.3554e-08 au
q 2.199559883849898 7.8438e-08 au
i 3.397337093578318 3.8852e-06 deg
node 102.1166341474772 8.6134e-05 deg
peri 331.2293989981403 8.8095e-05 deg
M 64.52146778696094 1.7845e-05 deg
tp 2458723.186692003835
(2019-Aug-27.68669200)
7.6155e-05 TDB
period 1547.280220100549
4.24
1.2016e-05
3.29e-08
d
yr
n .2326663233480782 1.8068e-09 deg/d
Q 3.036569389867431 1.5721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      10528 days (28.82 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:01:30  

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 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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