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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575547581970226 4.9046e-08  
a 2.251047851965342 6.8954e-09 au
q 1.896384551959015 1.1085e-07 au
i 4.935283611528876 5.0438e-06 deg
node 22.4776811093311 3.7374e-05 deg
peri 350.76187647276 3.8959e-05 deg
M 317.7157548526828 9.5773e-06 deg
tp 2459145.394399357714
(2020-Oct-22.89439936)
3.2681e-05 TDB
period 1233.603286213247
3.38
5.6681e-06
1.552e-08
d
yr
n .2918280163674666 1.3409e-09 deg/d
Q 2.605711151971668 7.9818e-09 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      9367 days (25.65 yr)  
   first obs. used      1995-03-23  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51223  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:07:56  

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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