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146625 (2001 TC257)
Classification: Main-belt Asteroid          SPK-ID: 2146625
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 .08803574971854414 6.5289e-08  
a 3.048985666968741 3.525e-08 au
q 2.780565927896053 2.187e-07 au
i 11.08324064641203 6.1831e-06 deg
node 34.4468067481837 2.5324e-05 deg
peri 306.33408035437 3.8291e-05 deg
M 246.3871394925129 3.1262e-05 deg
tp 2459614.200524969293
(2022-Feb-03.70052497)
0.0001738 TDB
period 1944.605461055054
5.32
3.3723e-05
9.233e-08
d
yr
n .1851275270021511 3.2104e-09 deg/d
Q 3.31740540604143 3.8353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Earth MOID = 1.79108 au 
 Jupiter MOID = 2.08304 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457433.5 (2016-Feb-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08703307553962375 6.5335e-08  
q 2.785035134278607 2.1879e-07 au
tp 2457671.449672747638
(2016-Oct-09.94967275)
0.00016198 TDB
node 34.46485524162635 2.5321e-05 deg
peri 306.8339771530452 3.8518e-05 deg
i 11.08212697768344 6.1822e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Jupiter MOID = 2.08304 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.268650591691384E-15 -1.418741314550673E-14 3.411891249887127E-13 -2.170454713862386E-15 1.703771138343242E-13 -5.268186917290237E-15
q -1.418741314550673E-14 4.78697894646435E-14 6.356587761671891E-13 6.175761973115357E-15 -2.625097515375465E-13 1.967828070984858E-14
tp 3.411891249887127E-13 6.356587761671891E-13 2.623888394254454E-8 1.925857114627659E-11 4.721720650683096E-9 1.156168978705778E-12
node -2.170454713862386E-15 6.175761973115357E-15 1.925857114627659E-11 6.411552581522134E-10 -6.256253633376506E-10 -4.692607011232376E-11
peri 1.703771138343242E-13 -2.625097515375465E-13 4.721720650683096E-9 -6.256253633376506E-10 1.483643043778431E-9 4.615382854637779E-11
i -5.268186917290237E-15 1.967828070984858E-14 1.156168978705778E-12 -4.692607011232376E-11 4.615382854637779E-11 3.821972169692979E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO469554  

146625 (2001 TC257)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 TC257 = 2006 TB6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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