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215680 (2003 WS85)
Classification: Main-belt Asteroid          SPK-ID: 2215680
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348045705571683 8.3406e-08  
a 2.353122673422356 1.9125e-08 au
q 2.035910981963319 2.0304e-07 au
i 6.587353671906182 8.8931e-06 deg
node 172.7182213225553 5.4652e-05 deg
peri 229.0136460607608 6.0992e-05 deg
M 228.4469640434645 3.1562e-05 deg
tp 2459482.296514626924
(2021-Sep-24.79651463)
0.0001199 TDB
period 1318.454903032405
3.61
1.6074e-05
4.401e-08
d
yr
n .2730468817492439 3.3289e-09 deg/d
Q 2.670334364881393 2.1704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      5617 days (15.38 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:03:41  

Additional Information
 Earth MOID = 1.05033 au 
 Jupiter MOID = 2.73606 au 
 T_jup = 3.535 
[ 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 17.4   n/a MPO418156  

215680 (2003 WS85)          Discovered 2003-Nov-20 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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