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245626 (2005 WE208)
Classification: Outer Main-belt Asteroid          SPK-ID: 2245626
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05974178397948865 5.8429e-08  
a 3.251594107987041 4.1328e-08 au
q 3.057338075198701 1.8488e-07 au
i 2.566626907427151 6.1248e-06 deg
node 277.9678013164059 0.00023403 deg
peri 190.0651343854038 0.0002525 deg
M 145.9297513692704 9.4403e-05 deg
tp 2458132.371007246539
(2018-Jan-13.87100725)
0.00055907 TDB
period 2141.622489305887
5.86
4.083e-05
1.118e-07
d
yr
n .1680968526421658 3.2047e-09 deg/d
Q 3.445850140775381 4.3797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2001-02-20  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59794  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:07:34  

Additional Information
 Earth MOID = 2.07416 au 
 Jupiter MOID = 1.63958 au 
 T_jup = 3.177 
[ 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 MPO470619  
diameter diameter 4.314 km 1.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245626 (2005 WE208)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

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