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134621 (1999 TC271)
Classification: Main-belt Asteroid          SPK-ID: 2134621
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2523956158790049 3.7823e-08  
a 2.337801230030253 9.6243e-09 au
q 1.747750448774072 8.7526e-08 au
i 4.13435927726125 4.705e-06 deg
node 306.3386583510419 5.3658e-05 deg
peri 28.73425699104024 5.444e-05 deg
M 1.708039196750842 1.0634e-05 deg
tp 2459194.305516034150
(2020-Dec-10.80551603)		 3.8538e-05 TDB
period 1305.598976854965
3.57		 8.0623e-06
2.207e-08		 d
yr
n .2757355102002285 1.7027e-09 deg/d
Q 2.927852011286434 1.2053e-08 au
   Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-09-18  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:10  

Additional Information
 Earth MOID = .737257 au 
 Jupiter MOID = 2.45952 au 
 T_jup = 3.520 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.39   n/a E2021B55  

134621 (1999 TC271)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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