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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456669.5 (2014-Jan-12.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3945743067579964 1.2755e-07  
q 1.821043190998952 3.7351e-07 au
tp 2456431.939194255929
(2013-May-19.43919426)
6.11e-05 TDB
node 347.6944485867913 5.1559e-05 deg
peri 51.78572172315184 5.5829e-05 deg
i 9.709458111386208 9.6045e-06 deg
  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
 Jupiter MOID = 1.43613 au 
 T_jup = 3.108 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.626776360484322E-14 -4.761944602029046E-14 2.432621598648411E-13 2.141965165981032E-13 -1.726814184898174E-12 -1.134004499717947E-13
q -4.761944602029046E-14 1.395095110102591E-13 -3.725145414516487E-13 -6.581147133127984E-13 5.187566579977824E-12 3.320476896113604E-13
tp 2.432621598648411E-13 -3.725145414516487E-13 3.733180487716465E-9 5.413827296541668E-11 1.026517845774243E-9 -6.751246756019302E-11
node 2.141965165981032E-13 -6.581147133127984E-13 5.413827296541668E-11 2.65830324331616E-9 -2.633306352556921E-9 -1.861675476634123E-10
peri -1.726814184898174E-12 5.187566579977824E-12 1.026517845774243E-9 -2.633306352556921E-9 3.116913947374219E-9 1.771033223233067E-10
i -1.134004499717947E-13 3.320476896113604E-13 -6.751246756019302E-11 -1.861675476634123E-10 1.771033223233067E-10 9.224687958574056E-11

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

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