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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2649722865434253 4.8753e-08  
a 3.0624214083862 2.3469e-08 au
q 2.250964605446572 1.4597e-07 au
i 14.95647328745048 7.5355e-06 deg
node 185.8697327914652 1.8297e-05 deg
peri 58.37319960557839 2.464e-05 deg
M 107.030946412741 1.3855e-05 deg
tp 2458418.527156198454
(2018-Oct-27.02715620)
7.2933e-05 TDB
period 1957.473336362244
5.36
2.2502e-05
6.161e-08
d
yr
n .1839105510724461 2.1141e-09 deg/d
Q 3.873878211325828 2.9688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1998-10-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:54:02  

Additional Information
 Earth MOID = 1.28005 au 
 Jupiter MOID = 1.33806 au 
 T_jup = 3.128 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457457.5 (2016-Mar-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2646993997297584 4.863e-08  
q 2.252330098495796 1.453e-07 au
tp 2458419.634365714814
(2018-Oct-28.13436571)
7.3214e-05 TDB
node 185.8999027729315 1.8282e-05 deg
peri 58.5270971936634 2.4676e-05 deg
i 14.96117627565813 7.5378e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1998-10-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:54:02  

Additional Information
 Jupiter MOID = 1.33806 au 
 T_jup = 3.128 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.364836027340943E-15 -7.019000604734022E-15 -1.172033805297877E-12 1.609313540307177E-14 -3.970534050333828E-13 -3.499708503892353E-15
q -7.019000604734022E-15 2.111149983232525E-14 3.95786729571396E-12 -5.046751429163836E-14 1.243285218116229E-12 9.705077189625413E-15
tp -1.172033805297877E-12 3.95786729571396E-12 5.360350864698396E-9 -3.643966431145124E-11 1.198261667471382E-9 -1.019460826546926E-11
node 1.609313540307177E-14 -5.046751429163836E-14 -3.643966431145124E-11 3.342183319438158E-10 -3.30851225380869E-10 -2.207814023016692E-11
peri -3.970534050333828E-13 1.243285218116229E-12 1.198261667471382E-9 -3.30851225380869E-10 6.088948554319696E-10 1.953165825771051E-11
i -3.499708503892353E-15 9.705077189625413E-15 -1.019460826546926E-11 -2.207814023016692E-11 1.953165825771051E-11 5.681873666824085E-11

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 15.4   n/a MPO264308  

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

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