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120307 (2004 KX9)
Classification: Main-belt Asteroid          SPK-ID: 2120307
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183609431256465 3.4047e-08  
a 2.449223306018246 1.2584e-08 au
q 2.159330925592613 8.0577e-08 au
i 5.518202587241039 3.656e-06 deg
node 265.6541863187705 5.9271e-05 deg
peri 357.4680062610739 6.4601e-05 deg
M 97.66181371752918 2.664e-05 deg
tp 2458820.692718425937
(2019-Dec-03.19271843)		 0.00010314 TDB
period 1400.041798958739
3.83		 1.079e-05
2.954e-08		 d
yr
n .2571351800123003 1.9818e-09 deg/d
Q 2.73911568644388 1.4074e-08 au
   Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      10001 days (27.38 yr)  
   first obs. used      1993-07-21  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60587  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:39  

Additional Information
 Earth MOID = 1.14194 au 
 Jupiter MOID = 2.32603 au 
 T_jup = 3.481 
[ 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 16.23   n/a E2021B55  

120307 (2004 KX9)          Discovered 2004-May-19 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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