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146615 (2001 TK212)
Classification: Main-belt Asteroid          SPK-ID: 2146615
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 .2499248148900414 4.3053e-08  
a 2.773311370105493 1.6972e-08 au
q 2.080192039299431 1.2369e-07 au
i 8.262717918347214 4.7084e-06 deg
node 287.8859352922225 3.099e-05 deg
peri 167.1763963741852 3.2488e-05 deg
M 327.9513016201615 1.1155e-05 deg
tp 2459150.677292479946
(2020-Oct-28.17729248)
5.318e-05 TDB
period 1686.927333273276
4.62
1.5486e-05
4.24e-08
d
yr
n .2134057542961641 1.959e-09 deg/d
Q 3.466430700911556 2.1214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      7963 days (21.80 yr)  
   first obs. used      1998-01-26  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:37:32  

Additional Information
 Earth MOID = 1.09788 au 
 Jupiter MOID = 1.7332 au 
 T_jup = 3.275 
[ 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 15.8   n/a MPO493834  

146615 (2001 TK212)          Discovered 2001-Oct-13 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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