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JPL Small-Body Database Browser
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9224 Zelezny (1996 AE)
Classification: Main-belt Asteroid          SPK-ID: 2009224
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332936045718704 4.6334e-08  
a 2.373678220520672 9.8531e-09 au
q 2.057282094413729 1.1009e-07 au
i 5.142142225377676 4.8897e-06 deg
node 239.4351165585163 4.4644e-05 deg
peri 166.4718040274495 4.7097e-05 deg
M 283.3290648439216 1.7419e-05 deg
tp 2459284.985053453434
(2021-Mar-11.48505345)
6.5609e-05 TDB
period 1335.768489516288
3.66
8.3171e-06
2.277e-08
d
yr
n .2695077798476622 1.6781e-09 deg/d
Q 2.690074346627616 1.1166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      11077 days (30.33 yr)  
   first obs. used      1989-03-02  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55482  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:14:24  

Additional Information
 Earth MOID = 1.0673 au 
 Jupiter MOID = 2.67165 au 
 T_jup = 3.525 
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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 14.6   n/a MPO272683  

9224 Železný           Discovered 1996 Jan. 10 by M. Tichy and Z. Moravec at Klet.
Jan Železný (b. 1966), Czech javelin-thrower, the world record holder (98.48 meters), won Olympic silver for the javelin in 1988 and Olympic gold in 1992, 1996 and 2000.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1996 AE = 1989 ER4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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