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447831 (2007 TN388)
Classification: Main-belt Asteroid          SPK-ID: 2447831
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584188631137334 1.4291e-07  
a 2.577481086773804 3.5717e-08 au
q 2.169159463309948 3.9071e-07 au
i 3.592421307701755 5.9512e-06 deg
node 44.2704610831964 0.00020468 deg
peri 320.2512083060786 0.00021092 deg
M 26.80753905173248 5.236e-05 deg
tp 2458887.949843252489
(2020-Feb-08.44984325)
0.00021817 TDB
period 1511.44259646189
4.14
3.1417e-05
8.602e-08
d
yr
n .2381830450211724 4.9509e-09 deg/d
Q 2.98580271023766 4.1376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      5790 days (15.85 yr)  
   first obs. used      2003-10-21  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:35  

Additional Information
 Earth MOID = 1.16879 au 
 Jupiter MOID = 2.47301 au 
 T_jup = 3.406 
[ 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 18.2   n/a MPO495223  

447831 (2007 TN388)          Discovered 2003-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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