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117031 (2004 JK17)
Classification: Main-belt Asteroid          SPK-ID: 2117031
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 .04812026154544866 4.7567e-08  
a 2.374765514618224 1.478e-08 au
q 2.260491176945683 1.15e-07 au
i 4.311106016660052 4.7355e-06 deg
node 255.6400732127477 7.0483e-05 deg
peri 280.2166448153431 8.596e-05 deg
M 190.5392746457575 4.917e-05 deg
tp 2459629.710682926212
(2022-Feb-19.21068293)
0.00018309 TDB
period 1336.686393734744
3.66
1.2479e-05
3.417e-08
d
yr
n .2693227085181504 2.5144e-09 deg/d
Q 2.489039852290765 1.5492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      7113 days (19.47 yr)  
   first obs. used      1998-11-18  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59693  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:27:43  

Additional Information
 Earth MOID = 1.26851 au 
 Jupiter MOID = 2.49036 au 
 T_jup = 3.537 
[ 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 16.2   n/a MPO236844  

117031 (2004 JK17)          Discovered 2004-May-12 by Siding Spring Survey at Siding Spring
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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