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173537 (2000 WJ108)
Classification: Main-belt Asteroid          SPK-ID: 2173537
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575547563197229 4.9653e-08  
a 2.251047861904388 1.4142e-08 au
q 1.896384564558009 1.1376e-07 au
i 4.935284575751719 5.4105e-06 deg
node 22.47772750126492 5.524e-05 deg
peri 350.7618425569832 5.8405e-05 deg
M 317.7157363596136 2.5141e-05 deg
tp 2459145.394463687095
(2020-Oct-22.89446369)
8.7201e-05 TDB
period 1233.603294383335
3.38
1.1625e-05
3.183e-08
d
yr
n .2918280144347052 2.7501e-09 deg/d
Q 2.605711159250767 1.637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      8831 days (24.18 yr)  
   first obs. used      1995-03-23  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:05:34  

Additional Information
 Earth MOID = .897172 au 
 Jupiter MOID = 2.85752 au 
 T_jup = 3.606 
[ 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 16.5   n/a MPO475469  
diameter diameter 1.237 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.349   0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173537 (2000 WJ108)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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