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JPL Small-Body Database Browser
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423311 (2005 EK227)
Classification: Main-belt Asteroid          SPK-ID: 2423311
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2555765191767639 6.021e-08  
a 2.249899245412108 1.4731e-08 au
q 1.674877827771254 1.338e-07 au
i 1.024541876286121 5.4489e-06 deg
node 335.9125071187975 0.00037337 deg
peri 92.64792178651683 0.00037446 deg
M 264.4368619511043 1.6371e-05 deg
tp 2459327.713289299841
(2021-Apr-23.21328930)
5.4924e-05 TDB
period 1232.659229834742
3.37
1.2106e-05
3.314e-08
d
yr
n .2920515186084835 2.8683e-09 deg/d
Q 2.824920663052962 1.8496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      4703 days (12.88 yr)  
   first obs. used      2005-03-09  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53198  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:46:47  

Additional Information
 Earth MOID = .689422 au 
 Jupiter MOID = 2.48542 au 
 T_jup = 3.584 
[ 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 18.1   n/a MPO322630  

423311 (2005 EK227)          Discovered 2005-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-02-04

Alternate Designations
 2005 EK227 = 2007 XQ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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