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117704 (2005 EN317)
Classification: Main-belt Asteroid          SPK-ID: 2117704
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08696353901261454 3.6948e-08  
a 2.519686443425706 1.6131e-08 au
q 2.300565593103298 9.5447e-08 au
i 2.641703812229985 4.3204e-06 deg
node 53.47888017395952 0.00011422 deg
peri 186.6418520421279 0.00011867 deg
M 239.5934367151928 3.4355e-05 deg
tp 2459489.113920579645
(2021-Oct-01.61392058)
0.00014101 TDB
period 1460.892218911684
4.00
1.4029e-05
3.841e-08
d
yr
n .2464247501216674 2.3664e-09 deg/d
Q 2.738807293748112 1.7534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      9811 days (26.86 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:49:30  

Additional Information
 Earth MOID = 1.28807 au 
 Jupiter MOID = 2.25643 au 
 T_jup = 3.450 
[ 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 16.6   n/a MPO453648  

117704 (2005 EN317)          Discovered 2005-Mar-12 by Buie, M. W. at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2005 EN317 = 1993 FM82 = 2001 FY191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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