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312541 (2009 EU26)
Classification: Main-belt Asteroid          SPK-ID: 2312541
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361763638681529 6.2407e-08  
a 2.228321807476342 1.6703e-08 au
q 1.924877046206103 1.3657e-07 au
i 5.901573331937279 5.0262e-06 deg
node 281.0244285522646 5.878e-05 deg
peri 261.4133294724879 6.309e-05 deg
M 124.1080423703173 1.9092e-05 deg
tp 2458581.645951855765
(2019-Apr-08.14595186)
6.6468e-05 TDB
period 1214.969267519347
3.33
1.3661e-05
3.74e-08
d
yr
n .2963037910703923 3.3316e-09 deg/d
Q 2.53176656874658 1.8978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      7894 days (21.61 yr)  
   first obs. used      1997-10-21  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:02  

Additional Information
 Earth MOID = .938167 au 
 Jupiter MOID = 2.46548 au 
 T_jup = 3.625 
[ show covariance matrix ]

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 17.3   n/a MPO427650  

312541 (2009 EU26)          Discovered 2009-Mar-01 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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