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384340 (2009 TE4)
Classification: Main-belt Asteroid          SPK-ID: 2384340
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621865458933695 8.728e-08  
a 2.393682164537494 1.7487e-08 au
q 2.005459122304594 2.0965e-07 au
i 6.952682651649125 8.952e-06 deg
node 136.0388317888454 5.211e-05 deg
peri 186.2681052389874 5.6821e-05 deg
M .7098290751687963 2.0409e-05 deg
tp 2458997.832837746202
(2020-May-28.33283775)
7.6677e-05 TDB
period 1352.689605083911
3.70
1.4823e-05
4.058e-08
d
yr
n .2661364430147064 2.9164e-09 deg/d
Q 2.781905206770395 2.0324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5976 days (16.36 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:05:24  

Additional Information
 Earth MOID = .992996 au 
 Jupiter MOID = 2.52892 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457301.5 (2015-Oct-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619443408835439 8.7322e-08  
q 2.005719648413708 2.0963e-07 au
tp 2457646.585168324392
(2016-Sep-15.08516832)
7.4309e-05 TDB
node 136.0732757256616 5.2146e-05 deg
peri 186.5963400188197 5.6856e-05 deg
i 6.950447533025025 8.9493e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5976 days (16.36 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:05:24  

Additional Information
 Jupiter MOID = 2.52892 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.62517019156055E-15 -1.826128259895274E-14 1.825154693465888E-12 -8.401997212099074E-14 8.442797589141358E-13 -8.445234213935678E-16
q -1.826128259895274E-14 4.394458998057342E-14 -4.29417395275989E-12 1.98496412603033E-13 -2.022016232044393E-12 2.610995014380144E-15
tp 1.825154693465888E-12 -4.29417395275989E-12 5.521794741648146E-9 -1.49451032876059E-11 1.688391243781849E-9 7.498141192850245E-12
node -8.401997212099074E-14 1.98496412603033E-13 -1.49451032876059E-11 2.719226677854226E-9 -2.704214928486249E-9 9.46331582429759E-11
peri 8.442797589141358E-13 -2.022016232044393E-12 1.688391243781849E-9 -2.704214928486249E-9 3.232653549026707E-9 -9.198759030603284E-11
i -8.445234213935678E-16 2.610995014380144E-15 7.498141192850245E-12 9.46331582429759E-11 -9.198759030603284E-11 8.009016356857538E-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 17.2   n/a MPO434386  

384340 (2009 TE4)          Discovered 2009-Oct-13 by Lowe, A. at Mayhill
Reference: Last Updated: 2014-01-21

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