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359912 (2011 WS108)
Classification: Main-belt Asteroid          SPK-ID: 2359912
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05340348864870505 6.8077e-08  
a 2.688187277956582 3.4001e-08 au
q 2.544628699172634 1.7069e-07 au
i 6.517773529192465 6.0369e-06 deg
node 76.37923503186457 6.9796e-05 deg
peri 171.954188749891 0.00011024 deg
M 146.8592346671124 8.529e-05 deg
tp 2458343.770584938346
(2018-Aug-13.27058494)
0.00038502 TDB
period 1609.858514911216
4.41
3.0543e-05
8.362e-08
d
yr
n .2236221361476937 4.2426e-09 deg/d
Q 2.83174585674053 3.5817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      8564 days (23.45 yr)  
   first obs. used      1996-05-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:18:30  

Additional Information
 Earth MOID = 1.53067 au 
 Jupiter MOID = 2.17429 au 
 T_jup = 3.362 
[ 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 16.8   n/a MPO450335  

359912 (2011 WS108)          Discovered 2004-Feb-16 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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