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227055 (2005 EE39)
Classification: Main-belt Asteroid          SPK-ID: 2227055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2597372937432718 4.5082e-08  
a 3.161691320046625 2.4304e-08 au
q 2.340482172926122 1.511e-07 au
i 14.05500736236929 4.6657e-06 deg
node 176.9826040111088 1.805e-05 deg
peri 307.073031588491 2.0911e-05 deg
M 313.1705096269145 9.5031e-06 deg
tp 2459467.612712804231
(2021-Sep-10.11271280)
5.5792e-05 TDB
period 2053.419241666355
5.62
2.3677e-05
6.482e-08
d
yr
n .1753173403147129 2.0215e-09 deg/d
Q 3.982900467167128 3.0616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      6312 days (17.28 yr)  
   first obs. used      2003-10-22  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51528  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:15  

Additional Information
 Earth MOID = 1.38447 au 
 Jupiter MOID = 1.2945 au 
 T_jup = 3.106 
[ 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 15.6   n/a MPO494246  
diameter diameter 4.664 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227055 (2005 EE39)          Discovered 2005-Mar-07 by Tucker, R. A. at Goodricke-Pigott
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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