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JPL Small-Body Database Browser
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172624 (2003 WR159)
Classification: Main-belt Asteroid          SPK-ID: 2172624
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002134099697516 6.9603e-08  
a 2.678038885792492 1.7728e-08 au
q 2.141859588436382 1.9037e-07 au
i 11.76251294904953 8.4684e-06 deg
node 296.3932849478538 2.4388e-05 deg
peri 232.6237917867655 2.8746e-05 deg
M 241.0820940787247 1.8337e-05 deg
tp 2459529.272057531875
(2021-Nov-10.77205753)
8.4626e-05 TDB
period 1600.750864529128
4.38
1.5895e-05
4.352e-08
d
yr
n .224894459204866 2.2332e-09 deg/d
Q 3.214218183148601 2.1278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      8058 days (22.06 yr)  
   first obs. used      1997-10-06  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51389  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:31:18  

Additional Information
 Earth MOID = 1.17222 au 
 Jupiter MOID = 1.89944 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO502963  
diameter diameter 4.745 km 1.806 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172624 (2003 WR159)          Discovered 2003-Nov-29 by CSS at Catalina
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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