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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03081008955117047 5.5654e-08  
a 2.855159734945547 2.7546e-08 au
q 2.767192007828978 1.5671e-07 au
i 1.362764206854044 6.4147e-06 deg
node 219.6659035519391 0.00026927 deg
peri 63.69552999747916 0.00029097 deg
M 90.69588984215748 0.00011047 deg
tp 2458156.555021779942
(2018-Feb-07.05502178)
0.00054142 TDB
period 1762.154739728161
4.82
2.5502e-05
6.982e-08
d
yr
n .2042953390435708 2.9565e-09 deg/d
Q 2.943127462062115 2.8395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      8282 days (22.67 yr)  
   first obs. used      1997-03-03  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:28:54  

Additional Information
 Earth MOID = 1.75049 au 
 Jupiter MOID = 2.08847 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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