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117681 (2005 ES226)
Classification: Main-belt Asteroid          SPK-ID: 2117681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08895142803832726 5.2819e-08  
a 3.153946655274787 2.9151e-08 au
q 2.873398596331389 1.6517e-07 au
i 17.26916966366839 5.7668e-06 deg
node 3.34193752324061 1.6273e-05 deg
peri 325.1386620153406 3.6128e-05 deg
M 114.86252869754 3.538e-05 deg
tp 2458347.736571982826
(2018-Aug-17.23657198)
0.00019879 TDB
period 2045.878989004145
5.60
2.8364e-05
7.766e-08
d
yr
n .1759634865673234 2.4395e-09 deg/d
Q 3.434494714218185 3.1744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      8528 days (23.35 yr)  
   first obs. used      1996-09-17  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:49:10  

Additional Information
 Earth MOID = 1.88058 au 
 Jupiter MOID = 2.03104 au 
 T_jup = 3.131 
[ 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 14.6   n/a MPO280569  
diameter diameter 6.437 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117681 (2005 ES226)          Discovered 2005-Mar-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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