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362306 (2009 TD4)
Classification: Main-belt Asteroid          SPK-ID: 2362306
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953257986059543 4.4593e-08  
a 3.145457808704872 2.6648e-08 au
q 2.531068750238259 1.4113e-07 au
i 15.24856687824848 4.8891e-06 deg
node 248.3408730684976 2.1427e-05 deg
peri 30.62406739681646 2.876e-05 deg
M 44.77834896826203 1.6029e-05 deg
tp 2458747.051456981601
(2019-Sep-20.55145698)		 9.0124e-05 TDB
period 2037.624825142475
5.58		 2.5894e-05
7.089e-08		 d
yr
n .1766762926903524 2.2452e-09 deg/d
Q 3.759846867171486 3.1853e-08 au
   Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2002-05-04  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:02:23  

Additional Information
 Earth MOID = 1.52726 au 
 Jupiter MOID = 1.39684 au 
 T_jup = 3.126 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457892.5 (2017-May-19.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954398702295947 4.4256e-08  
q 2.530169766861959 1.3975e-07 au
tp 2458749.279114545150
(2019-Sep-22.77911455)		 9.0506e-05 TDB
node 248.3598981648081 2.1419e-05 deg
peri 31.13823756394008 2.8837e-05 deg
i 15.25233679285808 4.8913e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      6770 days (18.54 yr)  
   first obs. used      2002-05-04  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:02:23  

Additional Information
 Jupiter MOID = 1.39684 au 
 T_jup = 3.126 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.958558307314212E-15 -6.112413087991427E-15 -7.684725557103851E-13 2.113940453104713E-14 -2.723105986897239E-13 -3.745298936556197E-15
q -6.112413087991427E-15 1.952982746816577E-14 2.685703716573945E-12 -7.26183636808002E-14 8.660406495351535E-13 1.312553968175374E-14
tp -7.684725557103851E-13 2.685703716573945E-12 8.191421809601574E-9 -5.377849050622667E-11 1.768985560038004E-9 -1.652053332481737E-11
node 2.113940453104713E-14 -7.26183636808002E-14 -5.377849050622667E-11 4.587676564712974E-10 -4.533987080800751E-10 -1.320304748934283E-11
peri -2.723105986897239E-13 8.660406495351535E-13 1.768985560038004E-9 -4.533987080800751E-10 8.315734466737037E-10 9.236931078504469E-12
i -3.745298936556197E-15 1.312553968175374E-14 -1.652053332481737E-11 -1.320304748934283E-11 9.236931078504469E-12 2.392520164008027E-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 15.1   n/a MPO494884  

362306 (2009 TD4)          Discovered 2009-Oct-13 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-04-29

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