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213688 (2002 TU221)
Classification: Inner Main-belt Asteroid          SPK-ID: 2213688
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05974779145618174 4.2391e-08  
a 1.922646112009464 6.4296e-09 au
q 1.807772253065084 7.9353e-08 au
i 20.16560346916434 6.9904e-06 deg
node 216.3690391226113 1.0434e-05 deg
peri 288.4359740830317 5.7767e-05 deg
M 152.8188689817011 5.8006e-05 deg
tp 2458787.146196363592
(2019-Oct-30.64619636)
0.00015657 TDB
period 973.7499714575521
2.67
4.8845e-06
1.337e-08
d
yr
n .3697047605158191 1.8545e-09 deg/d
Q 2.037519970953845 6.8137e-09 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      6542 days (17.91 yr)  
   first obs. used      2002-08-17  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:41  

Additional Information
 Earth MOID = .859815 au 
 Jupiter MOID = 2.99591 au 
 T_jup = 3.846 
[ 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 16.52   n/a E2021B55  

213688 (2002 TU221)          Discovered 2002-Oct-07 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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