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117847 (2005 JK139)
Classification: Main-belt Asteroid          SPK-ID: 2117847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670565427571244 4.7746e-08  
a 2.469303457121534 1.6717e-08 au
q 2.056790158556596 1.2339e-07 au
i 11.79276874013436 4.7632e-06 deg
node 263.0198819259575 2.2801e-05 deg
peri 313.8492808165856 2.9715e-05 deg
M 328.4939778379818 2.0409e-05 deg
tp 2459124.536983783401
(2020-Oct-02.03698378)
8.0603e-05 TDB
period 1417.294570936212
3.88
1.4393e-05
3.941e-08
d
yr
n .2540050652717857 2.5794e-09 deg/d
Q 2.881816755686473 1.951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      443  
   data-arc span      6920 days (18.95 yr)  
   first obs. used      2001-05-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:15:21  

Additional Information
 Earth MOID = 1.06615 au 
 Jupiter MOID = 2.18405 au 
 T_jup = 3.437 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO417614  

117847 (2005 JK139)          Discovered 2005-May-13 by Siding Spring Survey at Siding Spring
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 JK139 = 2003 YD84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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