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129476 (1993 TN20)
Classification: Main-belt Asteroid          SPK-ID: 2129476
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 .1394147776421345 4.1617e-08  
a 2.327651269232372 1.0028e-08 au
q 2.003142285103908 9.4781e-08 au
i 7.619467545881613 4.6516e-06 deg
node 28.69384231219992 2.8241e-05 deg
peri 341.2818876234168 3.1389e-05 deg
M 186.0073185852445 1.4041e-05 deg
tp 2459627.407952351307
(2022-Feb-16.90795235)
5.1863e-05 TDB
period 1297.105493239045
3.55
8.3823e-06
2.295e-08
d
yr
n .2775410341536924 1.7936e-09 deg/d
Q 2.652160253360835 1.1426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      580  
   data-arc span      9693 days (26.54 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56831  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:44:48  

Additional Information
 Earth MOID = 1.00492 au 
 Jupiter MOID = 2.81157 au 
 T_jup = 3.548 
[ 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 16.3   n/a MPO264195  

129476 (1993 TN20)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1993 TN20 = 2000 QZ231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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