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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184951808795956 3.939e-08  
a 2.450041980081922 1.4458e-08 au
q 2.159723812489513 9.7438e-08 au
i 5.518306233728708 4.7212e-06 deg
node 265.6597250831337 6.0743e-05 deg
peri 357.6056899809222 6.6e-05 deg
M 46.09560725852396 2.6605e-05 deg
tp 2458821.144063677419
(2019-Dec-03.64406368)
0.00010335 TDB
period 1400.743821726949
3.84
1.2399e-05
3.395e-08
d
yr
n .2570063093736606 2.2749e-09 deg/d
Q 2.740360147674332 1.6171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      9871 days (27.03 yr)  
   first obs. used      1993-07-21  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:09:08  

Additional Information
 Earth MOID = 1.14405 au 
 Jupiter MOID = 2.32622 au 
 T_jup = 3.480 
[ 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 16.1   n/a MPO432704  

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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