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70621 (1999 TC214)
Classification: Main-belt Asteroid          SPK-ID: 2070621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750329033731613 3.8627e-08  
a 2.72465118954953 1.7457e-08 au
q 2.247747581163539 1.0539e-07 au
i 3.996852288841009 6.125e-06 deg
node 175.6008705809662 6.8026e-05 deg
peri 284.3433856600412 7.0509e-05 deg
M 152.0176241046262 1.832e-05 deg
tp 2458306.824694232097
(2018-Jul-07.32469423)
8.1748e-05 TDB
period 1642.724727131461
4.50
1.5788e-05
4.323e-08
d
yr
n .2191480983114164 2.1062e-09 deg/d
Q 3.201554797935522 2.0513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      10448 days (28.61 yr)  
   first obs. used      1990-10-19  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:13:11  

Additional Information
 Earth MOID = 1.2686 au 
 Jupiter MOID = 1.97559 au 
 T_jup = 3.331 
[ 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 15.5   n/a MPO436275  

70621 (1999 TC214)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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