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117057 (2004 KN)
Classification: Main-belt Asteroid          SPK-ID: 2117057
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324203614540963 6.2114e-08  
a 2.334216657627347 1.5052e-08 au
q 2.025118844112161 1.4764e-07 au
i 22.9056505989577 5.6822e-06 deg
node 246.935676855652 1.4197e-05 deg
peri 184.1751015245478 2.5803e-05 deg
M 347.0448071021376 2.0709e-05 deg
tp 2459047.376109052029
(2020-Jul-16.87610905)
7.504e-05 TDB
period 1302.597297606792
3.57
1.26e-05
3.45e-08
d
yr
n .2763709096137488 2.6732e-09 deg/d
Q 2.643314471142532 1.7045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      7646 days (20.93 yr)  
   first obs. used      1998-11-15  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:49:05  

Additional Information
 Earth MOID = 1.03969 au 
 Jupiter MOID = 2.67379 au 
 T_jup = 3.452 
[ 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 15.3   n/a MPO493667  
diameter diameter 5.034 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117057 (2004 KN)          Discovered 2004-May-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 KN = 1984 WJ = 2003 BY42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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