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JPL Small-Body Database Browser
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523579 (2018 EN9)
Classification: Main-belt Asteroid          SPK-ID: 2523579
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2569301078075228 1.3597e-07  
a 2.669389856874848 3.511e-08 au
q 1.983543233167685 3.7066e-07 au
i 8.236619480605123 1.6944e-05 deg
node 348.931118720316 5.2398e-05 deg
peri 161.7470574996651 6.1486e-05 deg
M 105.1592977696418 2.3022e-05 deg
tp 2458135.169400281003
(2018-Jan-16.66940028)
0.00010456 TDB
period 1593.002420630461
4.36
3.1428e-05
8.605e-08
d
yr
n .2259883571661638 4.4585e-09 deg/d
Q 3.35523648058201 4.413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      5324 days (14.58 yr)  
   first obs. used      2003-10-18  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50706  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:57:02  

Additional Information
 Earth MOID = .996497 au 
 Jupiter MOID = 1.6512 au 
 T_jup = 3.319 
[ 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 17.1   n/a MPO448275  

523579 (2018 EN9)          Discovered 2005-Mar-07 by LINEAR at Socorro
Reference: Last Updated: 2018-05-31

[ show close-approach data ]
Alternate Designations
 2018 EN9 = 2005 ED172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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