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308613 (2005 WE105)
Classification: Main-belt Asteroid          SPK-ID: 2308613
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162626402474972 8.3887e-08  
a 3.19347160316968 4.5288e-08 au
q 2.502843002712797 2.7789e-07 au
i 28.77790354675581 9.588e-06 deg
node 74.54336263567842 1.8273e-05 deg
peri 327.8847014003328 5.0664e-05 deg
M 205.0437651383654 4.0741e-05 deg
tp 2459897.721288229198
(2022-Nov-14.22128823)
0.00024986 TDB
period 2084.457356949386
5.71
4.4341e-05
1.214e-07
d
yr
n .1727068192591197 3.6738e-09 deg/d
Q 3.884100203626562 5.5082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6619 days (18.12 yr)  
   first obs. used      2001-04-15  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:57:56  

Additional Information
 Earth MOID = 1.54681 au 
 Jupiter MOID = 1.57047 au 
 T_jup = 2.970 
[ 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 15.8   n/a MPO437367  
diameter diameter 5.531 km 0.375 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308613 (2005 WE105)          Discovered 2005-Nov-29 by CSS at Catalina
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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