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(2008 TC4)
Classification: Aten [NEO, PHA]          SPK-ID: 3430309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5544099305940819 1.4518e-07  
a .78034337842771 2.5016e-09 au
q .3477132601540519 1.1293e-07 au
i 10.64771929932111 2.0033e-05 deg
node 212.6047943942334 3.2953e-05 deg
peri 324.2760333221131 3.0727e-05 deg
M 193.1791570501715 4.1842e-05 deg
tp 2459117.174208068739
(2020-Sep-24.67420807)
2.9568e-05 TDB
period 251.7833752787009
0.69
1.2108e-06
3.315e-09
d
yr
n 1.429800516422156 6.8755e-09 deg/d
Q 1.212973496701368 3.8886e-09 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      4042 days (11.07 yr)  
   first obs. used      2008-10-06  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-01 07:28:44  

Additional Information
 Earth MOID = .00333252 au 
 Jupiter MOID = 3.76055 au 
 T_jup = 7.302 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.5   n/a MPO237381  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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