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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157407689674232 4.848e-08  
a 2.250577184320345 6.8439e-09 au
q 1.896319029302942 1.0949e-07 au
i 4.935648653195538 4.906e-06 deg
node 22.47310665542468 3.5488e-05 deg
peri 350.8215038858011 3.7169e-05 deg
M 16.04563657309627 9.4052e-06 deg
tp 2459145.534049147036
(2020-Oct-23.03404915)
3.2272e-05 TDB
period 1233.216408518513
3.38
5.6252e-06
1.54e-08
d
yr
n .2919195670064713 1.3316e-09 deg/d
Q 2.604835339337749 7.9211e-09 au
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      9426 days (25.81 yr)  
   first obs. used      1995-03-23  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:29:20  

Additional Information
 Earth MOID = .895665 au 
 Jupiter MOID = 2.85951 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458013.5 (2017-Sep-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585126670130793 4.8432e-08  
q 1.893954143135746 1.0952e-07 au
tp 2457912.579323537716
(2017-Jun-08.07932354)
3.3553e-05 TDB
node 22.53263551838932 3.5458e-05 deg
peri 350.8944367292765 3.7109e-05 deg
i 4.93845179008179 4.9074e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      9426 days (25.81 yr)  
   first obs. used      1995-03-23  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:29:20  

Additional Information
 Jupiter MOID = 2.85951 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.345630989555979E-15 -5.29674685057196E-15 -5.11165818389448E-13 -1.407868598176963E-14 -1.403150545756055E-13 -5.525388412092075E-15
q -5.29674685057196E-15 1.199405347487916E-14 1.078719033309275E-12 3.096054734789842E-14 2.943454385182858E-13 1.256951379290246E-14
tp -5.11165818389448E-13 1.078719033309275E-12 1.125835426404092E-9 5.046052090538688E-12 3.738268219140843E-10 1.451546178219736E-12
node -1.407868598176963E-14 3.096054734789842E-14 5.046052090538688E-12 1.257269538678682E-9 -1.250557075518011E-9 -8.638721049725697E-11
peri -1.403150545756055E-13 2.943454385182858E-13 3.738268219140843E-10 -1.250557075518011E-9 1.377111649044126E-9 8.654345596329615E-11
i -5.525388412092075E-15 1.256951379290246E-14 1.451546178219736E-12 -8.638721049725697E-11 8.654345596329615E-11 2.408227494848901E-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 16.63   n/a E2021B55  
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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