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201779 (2003 WD104)
Classification: Main-belt Asteroid          SPK-ID: 2201779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04126887864350432 6.0178e-08  
a 3.009072763400852 3.8493e-08 au
q 2.884891704698588 1.7655e-07 au
i 11.10360157161016 6.6371e-06 deg
node 73.39534385182392 3.0043e-05 deg
peri 124.4907777601721 8.4686e-05 deg
M 294.9136943535344 7.7816e-05 deg
tp 2459345.194681090985
(2021-May-10.69468109)
0.00041256 TDB
period 1906.546760647077
5.22
3.6583e-05
1.002e-07
d
yr
n .1888230634730496 3.6232e-09 deg/d
Q 3.133253822103116 4.0081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      7256 days (19.87 yr)  
   first obs. used      2000-03-05  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:10:17  

Additional Information
 Earth MOID = 1.89425 au 
 Jupiter MOID = 1.8858 au 
 T_jup = 3.220 
[ 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 15.1   n/a MPO418075  
diameter diameter 3.276 km 0.800 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201779 (2003 WD104)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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