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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .239634502938236 9.6759e-08  
a 2.401789275849835 1.5843e-08 au
q 1.826237696569174 2.3767e-07 au
i 21.20629570181217 9.4555e-06 deg
node 243.325097681716 1.3669e-05 deg
peri 126.0775390910715 2.3726e-05 deg
M 251.5041004642878 1.4717e-05 deg
tp 2459010.243056728855
(2020-Jun-09.74305673)
5.6415e-05 TDB
period 1359.567514105313
3.72
1.3452e-05
3.683e-08
d
yr
n .2647900867482145 2.62e-09 deg/d
Q 2.977340855130497 1.9639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6536 days (17.89 yr)  
   first obs. used      2001-08-11  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:48  

Additional Information
 Earth MOID = .896372 au 
 Jupiter MOID = 2.65065 au 
 T_jup = 3.396 
[ 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 16.7   n/a MPO434692  
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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