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469479 (2002 TW70)
Classification: Main-belt Asteroid          SPK-ID: 2469479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 .2375785476418188 1.05e-07  
a 2.326057037374633 3.6371e-08 au
q 1.773435784703135 2.6646e-07 au
i 4.406935782953302 1.0359e-05 deg
node 261.0778424896241 0.00015792 deg
peri 131.3145393960935 0.00019313 deg
M 341.1321273984945 0.00011466 deg
tp 2459068.412450437365
(2020-Aug-06.91245044)
0.00041415 TDB
period 1295.773120468316
3.55
3.0392e-05
8.321e-08
d
yr
n .2778264144496912 6.5164e-09 deg/d
Q 2.87867829004613 4.5013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5647 days (15.46 yr)  
   first obs. used      2002-10-03  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:42:20  

Additional Information
 Earth MOID = .783465 au 
 Jupiter MOID = 2.57315 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456785.5 (2014-May-08.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2391808311019141 1.0375e-07  
q 1.76974771092953 2.6259e-07 au
tp 2456476.745187329092
(2013-Jul-03.24518733)
0.00035054 TDB
node 261.143162690034 0.00015805 deg
peri 131.2269353280507 0.00019223 deg
i 4.405022055725654 1.0345e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5647 days (15.46 yr)  
   first obs. used      2002-10-03  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:42:20  

Additional Information
 Jupiter MOID = 2.57315 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.076414880530608E-14 -2.718820649151013E-14 -3.047662091018863E-11 -1.422160552891661E-12 -9.519948707707707E-12 -1.851666961720145E-13
q -2.718820649151013E-14 6.895348465259836E-14 7.913112470756345E-11 3.673920873724551E-12 2.475130128473445E-11 4.785345365275529E-13
tp -3.047662091018863E-11 7.913112470756345E-11 1.228817094520892E-7 5.396306768514862E-9 3.890086544630233E-8 6.979225460790393E-10
node -1.422160552891661E-12 3.673920873724551E-12 5.396306768514862E-9 2.497840454624759E-8 -2.296191053511149E-8 1.017973506086335E-9
peri -9.519948707707707E-12 2.475130128473445E-11 3.890086544630233E-8 -2.296191053511149E-8 3.695314664980141E-8 -7.634855457506857E-10
i -1.851666961720145E-13 4.785345365275529E-13 6.979225460790393E-10 1.017973506086335E-9 -7.634855457506857E-10 1.070266257059234E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO440883  

469479 (2002 TW70)          Discovered 2002-Oct-03 by NEAT at Palomar
Reference: Last Updated: 2016-08-22

Alternate Designations
 2002 TW70 = 2009 SD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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