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308214 (2005 EU129)
Classification: Main-belt Asteroid          SPK-ID: 2308214
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772716409801852 5.4894e-08  
a 2.377123797375456 1.223e-08 au
q 1.95572716100166 1.2803e-07 au
i 5.275627712505703 6.7105e-06 deg
node 159.6318267250363 5.1319e-05 deg
peri 346.8542909657152 5.4468e-05 deg
M 56.23294804187636 1.628e-05 deg
tp 2458791.394970891709
(2019-Nov-03.89497089)
6e-05 TDB
period 1338.678001070222
3.67
1.0331e-05
2.828e-08
d
yr
n .2689220258435513 2.0754e-09 deg/d
Q 2.798520433749252 1.4398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      8041 days (22.02 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:22  

Additional Information
 Earth MOID = .967858 au 
 Jupiter MOID = 2.2097 au 
 T_jup = 3.514 
[ 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 MPO455270  

308214 (2005 EU129)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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