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117591 (2005 EL50)
Classification: Main-belt Asteroid          SPK-ID: 2117591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870527994813652 3.6668e-08  
a 2.766823347833578 1.9472e-08 au
q 2.249281294950904 1.0115e-07 au
i 8.988869457825624 6.4513e-06 deg
node 358.020781836335 2.982e-05 deg
peri 109.8494361785206 3.5245e-05 deg
M 160.37617073402 1.8121e-05 deg
tp 2458251.627446951923
(2018-May-13.12744695)
8.2654e-05 TDB
period 1681.011074546873
4.60
1.7745e-05
4.858e-08
d
yr
n .2141568282630382 2.2607e-09 deg/d
Q 3.284365400716251 2.3114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      7514 days (20.57 yr)  
   first obs. used      1998-10-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55308  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:54:55  

Additional Information
 Earth MOID = 1.2845 au 
 Jupiter MOID = 1.89538 au 
 T_jup = 3.296 
[ 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 15.8   n/a MPO245004  
diameter diameter 3.804 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117591 (2005 EL50)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EL50 = 2003 UO102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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