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469836 (2005 SS256)
Classification: Main-belt Asteroid          SPK-ID: 2469836
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873390233226464 7.8361e-08  
a 2.382103814808638 1.8924e-08 au
q 1.935842812689237 1.9119e-07 au
i .8574103301959303 8.5186e-06 deg
node 327.913760210084 0.0004709 deg
peri 10.65680883197932 0.00047142 deg
M 12.90892468074103 2.2168e-05 deg
tp 2458952.346593037680
(2020-Apr-12.84659304)
8.238e-05 TDB
period 1342.886951094998
3.68
1.6002e-05
4.381e-08
d
yr
n .2680791556626966 3.1945e-09 deg/d
Q 2.828364816928038 2.2469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6992 days (19.14 yr)  
   first obs. used      2000-04-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:59:50  

Additional Information
 Earth MOID = .926831 au 
 Jupiter MOID = 2.55558 au 
 T_jup = 3.513 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO437770  

469836 (2005 SS256)          Discovered 2005-Sep-22 by NEAT at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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