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120242 (2004 FE109)
Classification: Main-belt Asteroid          SPK-ID: 2120242
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08293685272085714 4.5285e-08  
a 2.447609594061489 2.3564e-08 au
q 2.244612557640654 1.1419e-07 au
i 7.291323185674185 5.6732e-06 deg
node 189.6947595138083 3.8627e-05 deg
peri 69.97114933000587 6.4233e-05 deg
M 17.24578685812817 6.0915e-05 deg
tp 2458933.497322069740
(2020-Mar-24.99732207)
0.00023598 TDB
period 1398.658365276335
3.83
2.0198e-05
5.53e-08
d
yr
n .2573895162231944 3.7169e-09 deg/d
Q 2.650606630482323 2.5518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1996-02-17  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59163  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:19:35  

Additional Information
 Earth MOID = 1.24249 au 
 Jupiter MOID = 2.38736 au 
 T_jup = 3.482 
[ 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 16.3   n/a MPO436580  

120242 (2004 FE109)          Discovered 2004-Mar-24 by LONEOS at Anderson Mesa
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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