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117682 (2005 EW227)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117682
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07654891446601583 5.5726e-08  
a 3.217271154741627 3.8215e-08 au
q 2.97099254030333 1.8117e-07 au
i 16.54148836654727 6.1324e-06 deg
node 147.2072391916498 1.6664e-05 deg
peri .8092979265526464 3.558e-05 deg
M 191.9671531590135 3.2219e-05 deg
tp 2459584.333506441374
(2022-Jan-04.83350644)
0.00019487 TDB
period 2107.802545618141
5.77
3.7554e-05
1.028e-07
d
yr
n .1707939867272649 3.043e-09 deg/d
Q 3.463549769179924 4.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      9743 days (26.67 yr)  
   first obs. used      1993-02-23  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:53:26  

Additional Information
 Earth MOID = 1.98311 au 
 Jupiter MOID = 1.54512 au 
 T_jup = 3.120 
[ 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 14.5   n/a MPO366551  
diameter diameter 7.372 km 0.177 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)  

117682 (2005 EW227)          Discovered 2005-Mar-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EW227 = 2001 SD339 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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