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226180 (2002 TT154)
Classification: Main-belt Asteroid          SPK-ID: 2226180
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369266520989993 3.7882e-08  
a 2.233683970488724 9.6942e-09 au
q 1.927833102562503 8.5822e-08 au
i 5.791485168020092 4.4949e-06 deg
node 277.2558908937676 3.8276e-05 deg
peri 153.1235951259372 4.2209e-05 deg
M 43.42181989829482 1.5558e-05 deg
tp 2458853.425784950109
(2020-Jan-04.92578495)
5.2879e-05 TDB
period 1219.357400080783
3.34
7.938e-06
2.173e-08
d
yr
n .2952374750636276 1.922e-09 deg/d
Q 2.539534838414945 1.1022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7350 days (20.12 yr)  
   first obs. used      1999-12-05  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:51:16  

Additional Information
 Earth MOID = .944501 au 
 Jupiter MOID = 2.70998 au 
 T_jup = 3.621 
[ 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 17.0   n/a MPO503109  

226180 (2002 TT154)          Discovered 2002-Oct-05 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 TT154 = 1999 XA120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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