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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457917.5 (2017-Jun-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585017078918285 4.8993e-08  
q 1.893966206591078 1.1084e-07 au
tp 2457912.597479939963
(2017-Jun-08.09747994)
3.3919e-05 TDB
node 22.53280035137182 3.7339e-05 deg
peri 350.9017505998074 3.8901e-05 deg
i 4.938528523254812 5.0457e-06 deg
  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
 Jupiter MOID = 2.85752 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.400361868523632E-15 -5.423194016456317E-15 -5.46622845466613E-13 -2.515472348557538E-14 -1.382789627966714E-13 -4.567363657014456E-15
q -5.423194016456317E-15 1.228626693083772E-14 1.160874790792673E-12 5.614075190256215E-14 2.90111575000092E-13 1.039799854625944E-14
tp -5.46622845466613E-13 1.160874790792673E-12 1.150477630917323E-9 7.560569964005898E-12 3.775622424725731E-10 1.294592947993717E-12
node -2.515472348557538E-14 5.614075190256215E-14 7.560569964005898E-12 1.394194902385536E-9 -1.386314220243611E-9 -9.998367855975362E-11
peri -1.382789627966714E-13 2.90111575000092E-13 3.775622424725731E-10 -1.386314220243611E-9 1.513289617848084E-9 1.000481739102663E-10
i -4.567363657014456E-15 1.039799854625944E-14 1.294592947993717E-12 -9.998367855975362E-11 1.000481739102663E-10 2.545896763392736E-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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