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226921 (2004 TO224)
Classification: Main-belt Asteroid          SPK-ID: 2226921
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0307312182416058 5.5386e-08  
a 2.856020170881127 2.7399e-08 au
q 2.76825119170735 1.5566e-07 au
i 1.362551001797686 6.3929e-06 deg
node 219.6621933520848 0.00026469 deg
peri 64.34523967437455 0.00028635 deg
M 171.7288322358483 0.00010953 deg
tp 2458159.528944856501
(2018-Feb-10.02894486)
0.00053738 TDB
period 1762.95136879444
4.83
2.5369e-05
6.946e-08
d
yr
n .2042030236183877 2.9385e-09 deg/d
Q 2.943789150054902 2.8241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      8310 days (22.75 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:37:16  

Additional Information
 Earth MOID = 1.75216 au 
 Jupiter MOID = 2.08798 au 
 T_jup = 3.303 
[ 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 16.4   n/a MPO454631  

226921 (2004 TO224)          Discovered 2004-Oct-08 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 TO224 = 1997 EB14 = 2007 EV74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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