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173641 (2001 FE142)
Classification: Main-belt Asteroid          SPK-ID: 2173641
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531387153675932 5.2119e-08  
a 2.357046995807695 1.1792e-08 au
q 1.99609184680866 1.2097e-07 au
i 1.499350682583271 5.9649e-06 deg
node 224.4187967347936 0.0002188 deg
peri 272.8974371926038 0.00021975 deg
M 146.9377462469811 2.1237e-05 deg
tp 2458461.012156458754
(2018-Dec-08.51215646)		 7.6391e-05 TDB
period 1321.754475180258
3.62		 9.919e-06
2.716e-08		 d
yr
n .2723652590250575 2.0439e-09 deg/d
Q 2.71800214480673 1.3598e-08 au
   Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      9596 days (26.27 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-08-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59316  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:19:03  

Additional Information
 Earth MOID = 1.01037 au 
 Jupiter MOID = 2.31227 au 
 T_jup = 3.537 
[ 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 17.4   n/a MPO422664  

173641 (2001 FE142)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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