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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713530312790342 9.5632e-08  
a 3.084108246320092 3.829e-08 au
q 2.555636949520478 3.0676e-07 au
i 23.83334724570953 1.138e-05 deg
node 217.410848249084 1.3995e-05 deg
peri 195.7308201473629 2.8515e-05 deg
M 1.949969104593463 2.4011e-05 deg
tp 2458989.784360971209
(2020-May-20.28436097)
0.00013183 TDB
period 1978.303164535973
5.42
3.6842e-05
1.009e-07
d
yr
n .18197413139378 3.3889e-09 deg/d
Q 3.612579543119706 4.4851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      5874 days (16.08 yr)  
   first obs. used      2003-09-30  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:05:39  

Additional Information
 Earth MOID = 1.57109 au 
 Jupiter MOID = 1.82075 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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