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154142 (2002 FW)
Classification: Main-belt Asteroid          SPK-ID: 2154142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2645167895511923 4.7025e-08  
a 3.063450261344699 2.317e-08 au
q 2.253116233264038 1.4114e-07 au
i 14.95325705948074 6.614e-06 deg
node 185.8609147377396 1.5731e-05 deg
peri 58.39626853372773 1.9789e-05 deg
M 179.8486545929519 1.2195e-05 deg
tp 2458418.093409129826
(2018-Oct-26.59340913)
6.0516e-05 TDB
period 1958.459870108287
5.36
2.2219e-05
6.083e-08
d
yr
n .1838179099274038 2.0854e-09 deg/d
Q 3.87378428942536 2.9299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      8118 days (22.23 yr)  
   first obs. used      1998-10-16  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56803  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:34:33  

Additional Information
 Earth MOID = 1.28253 au 
 Jupiter MOID = 1.33587 au 
 T_jup = 3.128 
[ 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 15.51   n/a MPCxxxxx  

154142 (2002 FW)          Discovered 2002-Mar-18 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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