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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849760259758522 6.0591e-08  
a 3.162620094644957 1.0696e-07 au
q 2.577611197866159 1.9834e-07 au
i 16.02427311931974 1.9193e-05 deg
node 315.637771595871 2.9658e-05 deg
peri 77.90172216812948 6.0993e-05 deg
M 227.8345034706994 5.9584e-05 deg
tp 2459354.696577087153
(2021-May-20.19657709)
0.00036477 TDB
period 2054.324123022397
5.62
0.00010422
2.853e-07
d
yr
n .1752401171585109 8.8901e-09 deg/d
Q 3.747628991423754 1.2675e-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 = 1.63962 au 
 Jupiter MOID = 2.01479 au 
 T_jup = 3.118 
[ 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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