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JPL Small-Body Database Browser
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461555 (2003 WG101)
Classification: Main-belt Asteroid          SPK-ID: 2461555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710666862072646 1.3046e-07  
a 3.083250840836922 4.3267e-08 au
q 2.555809336749188 4.0004e-07 au
i 23.83530279747002 1.4036e-05 deg
node 217.4096455157097 1.4734e-05 deg
peri 195.74882289 2.9821e-05 deg
M 289.1117996639473 2.3308e-05 deg
tp 2458989.888539250013
(2020-May-20.38853925)
0.00013235 TDB
period 1977.478246950378
5.41
4.1624e-05
1.14e-07
d
yr
n .1820500430561923 3.832e-09 deg/d
Q 3.610692344924657 5.0668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5403 days (14.79 yr)  
   first obs. used      2003-09-30  
   last obs. used      2018-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51503  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:26:36  

Additional Information
 Earth MOID = 1.57077 au 
 Jupiter MOID = 1.8206 au 
 T_jup = 3.075 
[ 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 16.2   n/a MPO456235  
diameter diameter 3.791 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

461555 (2003 WG101)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: Last Updated: 2016-03-24

[ show close-approach data ]
Alternate Designations
 2003 WG101 = 2010 EC116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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