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JPL Small-Body Database Browser
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452424 (2002 WS4)
Classification: Main-belt Asteroid          SPK-ID: 2452424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2421220491104087 7.6136e-08  
a 2.648467653962923 2.2586e-08 au
q 2.007215238582784 2.1048e-07 au
i 12.71937981257038 7.8728e-06 deg
node 250.8361450989038 3.1562e-05 deg
peri 161.5807882943764 3.7628e-05 deg
M 288.2535172439013 1.6365e-05 deg
tp 2458914.253479885317
(2020-Mar-05.75347989)
7.3449e-05 TDB
period 1574.310661927364
4.31
2.0138e-05
5.513e-08
d
yr
n .2286715123680016 2.9251e-09 deg/d
Q 3.289720069343064 2.8054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6201 days (16.98 yr)  
   first obs. used      2002-11-06  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:49:12  

Additional Information
 Earth MOID = 1.0226 au 
 Jupiter MOID = 2.09163 au 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO495256  

452424 (2002 WS4)          Discovered 2002-Nov-21 by NEAT at Palomar
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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