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(2008 TD)
Classification: Aten [NEO]          SPK-ID: 3428698
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3384386817965531 0.0020702  
a .8961946884376863 0.0001619 au
q .5928877394497631 0.0019623 au
i 5.07519663879846 0.043066 deg
node 357.7457263616957 0.021646 deg
peri 144.4583169074072 0.004496 deg
M 166.8352280534017 1.7989 deg
tp 2458856.889156232393
(2020-Jan-08.38915623)
1.5096 TDB
period 309.8860136408959
0.85
0.083973
0.0002299
d
yr
n 1.161717483697659 0.0003148 deg/d
Q 1.199501637425609 0.00021669 au
  Orbit Determination Parameters
   # obs. used (total)      23  
   data-arc span      8 days  
   first obs. used      2008-10-01  
   last obs. used      2008-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .55852  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:02:45  

Additional Information
 Earth MOID = .0252342 au 
 Jupiter MOID = 3.81314 au 
 T_jup = 6.584 
[ 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 25.4   n/a MPO152511  

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