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226894 (2004 TR144)
Classification: Main-belt Asteroid          SPK-ID: 2226894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447042993602039 7.2593e-08  
a 2.918566188724273 2.4181e-08 au
q 2.496237113248546 2.1453e-07 au
i 2.059499658140832 5.2846e-06 deg
node 291.9670247104326 0.0001883 deg
peri 95.62349673888224 0.00018931 deg
M 54.7172990149197 1.8065e-05 deg
tp 2458723.694383539646
(2019-Aug-28.19438354)
9.1174e-05 TDB
period 1821.179475590638
4.99
2.2633e-05
6.197e-08
d
yr
n .197674092435753 2.4567e-09 deg/d
Q 3.340895264199999 2.768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      7403 days (20.27 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:00:05  

Additional Information
 Earth MOID = 1.50192 au 
 Jupiter MOID = 2.11508 au 
 T_jup = 3.264 
[ 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 16.6   n/a MPO454630  

226894 (2004 TR144)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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