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295866 (2008 WS11)
Classification: Main-belt Asteroid          SPK-ID: 2295866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05699832529240741 5.3006e-08  
a 2.63074243910189 2.2252e-08 au
q 2.480794525797419 1.5107e-07 au
i 4.040103625902354 4.6851e-06 deg
node 64.62976663257905 7.4175e-05 deg
peri 254.2512315985011 9.0511e-05 deg
M 343.9683630538602 4.9769e-05 deg
tp 2459069.905085195828
(2020-Aug-08.40508520)
0.00021507 TDB
period 1558.532715931687
4.27
1.9774e-05
5.414e-08
d
yr
n .2309864889713226 2.9307e-09 deg/d
Q 2.780690352406361 2.3521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      8578 days (23.49 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:26:38  

Additional Information
 Earth MOID = 1.47121 au 
 Jupiter MOID = 2.37484 au 
 T_jup = 3.394 
[ 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 16.0   n/a MPO433906  

295866 (2008 WS11)          Discovered 2008-Nov-18 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 WS11 = 2002 GR61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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