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JPL Small-Body Database Browser
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201771 (2003 WS82)
Classification: Main-belt Asteroid          SPK-ID: 2201771
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772121317038316 8.4668e-08  
a 2.975867174275526 3.0405e-08 au
q 2.448507408654702 2.5874e-07 au
i 15.755469127945 8.6824e-06 deg
node 144.5036428786473 2.1975e-05 deg
peri 249.2418844875647 3.3754e-05 deg
M 24.1794075430937 2.235e-05 deg
tp 2458474.560520006594
(2018-Dec-22.06052001)
0.00011594 TDB
period 1875.075421795264
5.13
2.8737e-05
7.868e-08
d
yr
n .1919922771188176 2.9424e-09 deg/d
Q 3.503226939896349 3.5793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      8131 days (22.26 yr)  
   first obs. used      1997-07-30  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:22:59  

Additional Information
 Earth MOID = 1.50264 au 
 Jupiter MOID = 2.14947 au 
 T_jup = 3.181 
[ 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 15.4   n/a MPO459900  
diameter diameter 4.199 km 0.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201771 (2003 WS82)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 WS82 = 2002 PH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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