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117583 (2005 EN41)
Classification: Main-belt Asteroid          SPK-ID: 2117583
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392198260460772 5.1646e-08  
a 2.66260366496166 1.5609e-08 au
q 2.29191644589605 1.3491e-07 au
i .2235328889393884 5.5005e-06 deg
node 155.6991659928665 0.0012517 deg
peri 27.72347397822431 0.0012519 deg
M 176.2938102685809 1.7408e-05 deg
tp 2458223.371603243974
(2018-Apr-14.87160324)
7.5133e-05 TDB
period 1586.931625142991
4.34
1.3954e-05
3.82e-08
d
yr
n .226852873996737 1.9948e-09 deg/d
Q 3.033290884027269 1.7782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1998-10-15  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:16:55  

Additional Information
 Earth MOID = 1.29416 au 
 Jupiter MOID = 1.92516 au 
 T_jup = 3.371 
[ 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 15.9   n/a MPO439764  

117583 (2005 EN41)          Discovered 2005-Mar-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EN41 = 2001 KQ29 = 2003 WS58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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