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487979 (2015 TT312)
Classification: Main-belt Asteroid          SPK-ID: 2487979
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1887341102927305 1.3176e-07  
a 2.451164577422261 2.5884e-08 au
q 1.988546211721414 3.1043e-07 au
i 2.780944514454913 5.2394e-06 deg
node 149.942163494069 0.00015692 deg
peri 257.9829376217562 0.00015905 deg
M 61.35766517071643 1.7773e-05 deg
tp 2458761.595979211492
(2019-Oct-05.09597921)
7.0869e-05 TDB
period 1401.706653024826
3.84
2.2203e-05
6.079e-08
d
yr
n .2568297719234868 4.0682e-09 deg/d
Q 2.913782943123107 3.077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5474 days (14.99 yr)  
   first obs. used      2005-02-04  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:29:22  

Additional Information
 Earth MOID = 1.00069 au 
 Jupiter MOID = 2.47229 au 
 T_jup = 3.469 
[ 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 17.7   n/a MPO503658  

487979 (2015 TT312)          Discovered 2005-Feb-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TT312 = 2007 RY26 = 2013 EY64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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