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461494 (2002 WN8)
Classification: Main-belt Asteroid          SPK-ID: 2461494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756585755174532 7.9317e-07  
a 2.516058050837714 1.8024e-08 au
q 2.074090877708341 1.9928e-06 au
i 11.10942514108271 9.9482e-06 deg
node 66.36978943919372 2.6852e-05 deg
peri 322.1506937379161 3.5582e-05 deg
M 164.695257178521 6.1256e-05 deg
tp 2458333.604166208713
(2018-Aug-03.10416621)
0.00024527 TDB
period 1457.73778964762
3.99
1.5664e-05
4.289e-08
d
yr
n .2469579937877737 2.6536e-09 deg/d
Q 2.958025223967086 2.119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      6359 days (17.41 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:17:59  

Additional Information
 Earth MOID = 1.09229 au 
 Jupiter MOID = 2.49283 au 
 T_jup = 3.412 
[ 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 16.8   n/a MPO456234  

461494 (2002 WN8)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: Last Updated: 2016-03-24

Alternate Designations
 2002 WN8 = 2006 VX137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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