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359907 (2011 WS90)
Classification: Main-belt Asteroid          SPK-ID: 2359907
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1447171368565637 9.5454e-08  
a 2.618773920277874 3.7339e-08 au
q 2.239792456460621 2.7598e-07 au
i 15.16545926598199 5.7197e-06 deg
node 76.8113481560132 2.0743e-05 deg
peri 313.7986144167972 2.6532e-05 deg
M 32.90509936764317 1.6667e-05 deg
tp 2458859.016386368853
(2020-Jan-10.51638637)
7.0361e-05 TDB
period 1547.909044070486
4.24
3.3106e-05
9.064e-08
d
yr
n .2325718047704662 4.9741e-09 deg/d
Q 2.997755384095127 4.2743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      4825 days (13.21 yr)  
   first obs. used      2006-08-13  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .494  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:18:30  

Additional Information
 Earth MOID = 1.27393 au 
 Jupiter MOID = 2.44526 au 
 T_jup = 3.342 
[ 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 16.4   n/a MPO494871  
diameter diameter 3.092 km 0.765 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359907 (2011 WS90)          Discovered 2007-Oct-12 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 WS90 = 2010 GX46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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