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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575547569727573 4.9607e-08  
a 2.251047855136491 1.0379e-08 au
q 1.896384557386414 1.1307e-07 au
i 4.935283787988853 5.2771e-06 deg
node 22.4777209974606 5.4369e-05 deg
peri 350.7618407517035 5.632e-05 deg
M 317.7157488785199 1.7623e-05 deg
tp 2459145.394420135412
(2020-Oct-22.89442014)
6.0943e-05 TDB
period 1233.603288819993
3.38
8.5317e-06
2.336e-08
d
yr
n .2918280157508004 2.0183e-09 deg/d
Q 2.605711152886567 1.2014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      9260 days (25.35 yr)  
   first obs. used      1995-03-23  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:04:39  

Additional Information
 Earth MOID = .897172 au 
 Jupiter MOID = 2.85752 au 
 T_jup = 3.606 
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Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574922982749724 4.9422e-08  
q 1.896941731750529 1.1257e-07 au
tp 2456679.010634285746
(2014-Jan-21.51063429)
5.3685e-05 TDB
node 22.56363840348921 5.4364e-05 deg
peri 350.8894730837779 5.6325e-05 deg
i 4.935836217724153 5.2754e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      9260 days (25.35 yr)  
   first obs. used      1995-03-23  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:04:39  

Additional Information
 Jupiter MOID = 2.85752 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.442492587892422E-15 -5.547344220434251E-15 -7.623103750556972E-13 -2.589942093908689E-15 -2.199062198445396E-13 -1.761346085283736E-15
q -5.547344220434251E-15 1.267199514314801E-14 1.856264780764248E-12 3.931864888801547E-15 5.372416660787578E-13 3.950122369239618E-15
tp -7.623103750556972E-13 1.856264780764248E-12 2.882104523751418E-9 -4.810039321427348E-12 8.114946322221147E-10 2.510051654790372E-13
node -2.589942093908689E-15 3.931864888801547E-15 -4.810039321427348E-12 2.955498566892108E-9 -2.945315337599008E-9 -9.040170626844056E-11
peri -2.199062198445396E-13 5.372416660787578E-13 8.114946322221147E-10 -2.945315337599008E-9 3.172494038030738E-9 9.020607445421198E-11
i -1.761346085283736E-15 3.950122369239618E-15 2.510051654790372E-13 -9.040170626844056E-11 9.020607445421198E-11 2.783030335457111E-11

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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