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186899 (2004 KN17)
Classification: Main-belt Asteroid          SPK-ID: 2186899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3309494925447836 4.7352e-08  
a 2.733587572887763 1.9527e-08 au
q 1.828908152813832 1.338e-07 au
i 10.23379331975426 6.3963e-06 deg
node 302.7441794731385 2.6226e-05 deg
peri 340.8711414386756 2.7647e-05 deg
M 250.4700389566901 1.2501e-05 deg
tp 2459702.759715708920
(2022-May-03.25971571)
6.0902e-05 TDB
period 1650.813128507502
4.52
1.7688e-05
4.843e-08
d
yr
n .2180743500177246 2.3366e-09 deg/d
Q 3.638266992961695 2.5989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      7033 days (19.26 yr)  
   first obs. used      2001-12-19  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49178  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:35  

Additional Information
 Earth MOID = .813969 au 
 Jupiter MOID = 1.57657 au 
 T_jup = 3.250 
[ 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 15.48   n/a MPCxxxxx  

186899 (2004 KN17)          Discovered 2004-May-30 by Siding Spring Survey at Siding Spring
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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