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266667 (2008 WS117)
Classification: Main-belt Asteroid          SPK-ID: 2266667
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06492604076547669 8.5697e-08  
a 2.141215230810672 1.6282e-08 au
q 2.002194603447399 1.9447e-07 au
i 5.997927586228262 4.0504e-06 deg
node 69.15070937467863 6.0825e-05 deg
peri 284.4548189301007 7.5619e-05 deg
M 308.76353338579 3.9556e-05 deg
tp 2459163.379183712236
(2020-Nov-09.87918371)
0.00012481 TDB
period 1144.429153905447
3.13
1.3053e-05
3.574e-08
d
yr
n .3145673096246056 3.588e-09 deg/d
Q 2.280235858173945 1.7339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6496 days (17.79 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:10  

Additional Information
 Earth MOID = 1.00729 au 
 Jupiter MOID = 2.93985 au 
 T_jup = 3.703 
[ 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 18.1   n/a MPO423025  

266667 (2008 WS117)          Discovered 2008-Nov-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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