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469898 (2005 WB41)
Classification: Main-belt Asteroid          SPK-ID: 2469898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390315830719733 8.9857e-08  
a 2.400808683456428 1.5233e-08 au
q 1.826939583196898 2.201e-07 au
i 21.19960483911641 9.4237e-06 deg
node 243.313469557189 1.3549e-05 deg
peri 126.1442676577236 2.3166e-05 deg
M 357.3398770880268 1.4888e-05 deg
tp 2459010.540005708943
(2020-Jun-10.04000571)
5.6217e-05 TDB
period 1358.734981361686
3.72
1.2932e-05
3.541e-08
d
yr
n .2649523306150683 2.5216e-09 deg/d
Q 2.974677783715959 1.8874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7020 days (19.22 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:17:27  

Additional Information
 Earth MOID = .897454 au 
 Jupiter MOID = 2.65423 au 
 T_jup = 3.397 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO477210  
diameter diameter 2.661 km 0.669 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.052   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

469898 (2005 WB41)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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