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21301 Zanin (1996 WE3)
Classification: Main-belt Asteroid          SPK-ID: 2021301
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09141553340934382 6.6068e-08  
a 2.285536244596583 1.3748e-08 AU
q 2.076602729670398 1.4984e-07 AU
i 5.383336007648786 7.2425e-06 deg
node 238.6821247416511 5.1853e-05 deg
peri 11.79849960211771 6.0242e-05 deg
M 203.0432206435399 3.1413e-05 deg
tp 2457350.747621633187
(2015-Nov-24.24762163)
0.00011162 JED
period 1262.061725528101
3.46
1.1387e-05
3.118e-08
d
yr
n .2852475379913455 2.5737e-09 deg/d
Q 2.494469759522768 1.5004e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      6288 days (17.22 yr)  
   first obs. used      1996-11-22  
   last obs. used      2014-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53407  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:09:22  

Additional Information
 Earth MOID = 1.06281 AU 
 T_jup = 3.591 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO279736  

21301 Zanin           Discovered 1996 Nov. 22 by at Farra d´Isonzo.
Antonio Zanin (1921-1997) was a respected Italian entrepreneur, active in the field of mechanical engineering and manufacturing and distinctly remembered by his employers for his ability to establish sincere and humane relationships.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

[ show close-approach data ]
Alternate Designations
 1996 WE3 = 1998 FS117 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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