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227061 (2005 EK209)
Classification: Main-belt Asteroid          SPK-ID: 2227061
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506215375604559 5.4396e-08  
a 3.119583755013239 2.9029e-08 au
q 2.649707253284525 1.7901e-07 au
i 27.0804180620864 6.7058e-06 deg
node 313.8553903325324 8.6957e-06 deg
peri 146.9237816762838 2.2107e-05 deg
M 354.3038800871684 1.678e-05 deg
tp 2459232.343443434294
(2021-Jan-17.84344343)
9.3727e-05 TDB
period 2012.534815238323
5.51
2.8091e-05
7.691e-08
d
yr
n .1788788930627116 2.4968e-09 deg/d
Q 3.589460256741953 3.3401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1998-12-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .476  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:17  

Additional Information
 Earth MOID = 1.69323 au 
 Jupiter MOID = 1.57097 au 
 T_jup = 3.031 
[ 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 14.85   n/a E2021B55  
diameter diameter 6.309 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227061 (2005 EK209)          Discovered 2005-Mar-04 by CSS at Catalina
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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