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382657 (2002 TD9)
Classification: Main-belt Asteroid          SPK-ID: 2382657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 .3956254145782258 1.2857e-07  
a 3.003307154255353 2.4461e-08 au
q 1.815122516247327 3.773e-07 au
i 9.717595850220057 9.6121e-06 deg
node 347.6648154791598 5.153e-05 deg
peri 51.47870617584542 5.576e-05 deg
M 126.4619342398887 1.5291e-05 deg
tp 2458332.686226332847
(2018-Aug-02.18622633)
7.4639e-05 TDB
period 1901.069756406935
5.20
2.3226e-05
6.359e-08
d
yr
n .1893670649310671 2.3135e-09 deg/d
Q 4.191491792263379 3.4139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6461 days (17.69 yr)  
   first obs. used      2002-08-11  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:43:35  

Additional Information
 Earth MOID = .840117 au 
 Jupiter MOID = 1.43613 au 
 T_jup = 3.108 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO288363  

382657 (2002 TD9)          Discovered 2002-Oct-01 by Crni Vrh at Crni Vrh
Reference: Last Updated: 2014-01-21

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