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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754783313527735 8.2124e-07  
a 2.516816793078664 1.8319e-08 au
q 2.075169981908582 2.0635e-06 au
i 11.10939858331496 1.2568e-05 deg
node 66.3750811794074 2.7079e-05 deg
peri 322.2412348358271 3.9726e-05 deg
M 65.83523355357653 6.1564e-05 deg
tp 2458333.794659998365
(2018-Aug-03.29466000)
0.00024832 TDB
period 1458.397232273092
3.99
1.5923e-05
4.359e-08
d
yr
n .2468463269358347 2.6951e-09 deg/d
Q 2.958463604248747 2.1534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      5913 days (16.19 yr)  
   first obs. used      2002-11-24  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:14:12  

Additional Information
 Earth MOID = 1.09272 au 
 Jupiter MOID = 2.4901 au 
 T_jup = 3.411 
[ 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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