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469503 (2003 DY9)
Classification: Mars-crossing Asteroid          SPK-ID: 2469503
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3110765524898138 5.349e-08  
a 2.385979848718433 1.7145e-08 au
q 1.643757463068935 1.2665e-07 au
i 22.39905660232874 1.0505e-05 deg
node 10.27306718143839 1.3242e-05 deg
peri 110.1790013254641 2.2213e-05 deg
M 254.7020511456755 1.718e-05 deg
tp 2459394.245854757432
(2021-Jun-28.74585476)
6.7388e-05 TDB
period 1346.165896439055
3.69
1.451e-05
3.973e-08
d
yr
n .2674261775255858 2.8825e-09 deg/d
Q 3.12820223436793 2.2478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6458 days (17.68 yr)  
   first obs. used      2003-02-10  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:20:01  

Additional Information
 Earth MOID = .776005 au 
 Jupiter MOID = 2.23512 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458136.5 (2018-Jan-18.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3096930796782564 5.3505e-08  
q 1.647844404583643 1.2653e-07 au
tp 2458047.261938803328
(2017-Oct-20.76193880)
5.7956e-05 TDB
node 10.37760731818534 1.3235e-05 deg
peri 110.0717784078566 2.2354e-05 deg
i 22.40396473383672 1.0505e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6458 days (17.68 yr)  
   first obs. used      2003-02-10  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:20:01  

Additional Information
 Jupiter MOID = 2.23512 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.86278779539357E-15 -6.741063538924776E-15 1.260914424196384E-12 2.001579705061091E-14 4.996066061477018E-13 -4.04034700993341E-14
q -6.741063538924776E-15 1.601056151042369E-14 -2.572387157004488E-12 -4.686455636408335E-14 -1.064045791674025E-12 1.007753581180814E-13
tp 1.260914424196384E-12 -2.572387157004488E-12 3.358891178375324E-9 8.979857969931598E-12 1.049106244608173E-9 3.727018481857678E-11
node 2.001579705061091E-14 -4.686455636408335E-14 8.979857969931598E-12 1.751539447897876E-10 -1.571778534791415E-10 -2.974199555432572E-11
peri 4.996066061477018E-13 -1.064045791674025E-12 1.049106244608173E-9 -1.571778534791415E-10 4.996969789822594E-10 3.5211634998837E-11
i -4.04034700993341E-14 1.007753581180814E-13 3.727018481857678E-11 -2.974199555432572E-11 3.5211634998837E-11 1.103567422421411E-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 17.2   n/a MPO437769  

469503 (2003 DY9)          Discovered 2003-Feb-23 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

Alternate Designations
 2003 DY9 = 2009 SS86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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