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487953 (2015 TT255)
Classification: Main-belt Asteroid          SPK-ID: 2487953
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834656390972452 6.0302e-08  
a 3.159421859773352 1.1028e-07 au
q 2.579776509092226 1.9898e-07 au
i 16.07112300283133 1.9224e-05 deg
node 315.465502473717 2.947e-05 deg
peri 78.46817843790028 6.1661e-05 deg
M 297.359912420187 6.2611e-05 deg
tp 2459357.410816931994
(2021-May-22.91081693)
0.00036857 TDB
period 2051.208723675631
5.62
0.0001074
2.94e-07
d
yr
n .1755062738592997 9.1895e-09 deg/d
Q 3.739067210454477 1.3052e-07 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      2716 days (7.44 yr)  
   first obs. used      2009-09-15  
   last obs. used      2017-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58356  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:11:40  

Additional Information
 Earth MOID = 1.64319 au 
 Jupiter MOID = 2.01308 au 
 T_jup = 3.119 
[ 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 16.3   n/a MPO409265  

487953 (2015 TT255)          Discovered 2011-Jan-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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