Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332936048213084 4.5039e-08  
a 2.373678220605482 9.6358e-09 au
q 2.057282093895148 1.0744e-07 au
i 5.142142809641782 4.7785e-06 deg
node 239.4351138925302 4.4462e-05 deg
peri 166.4718066369856 4.6918e-05 deg
M 283.3290647940478 1.7244e-05 deg
tp 2459284.985053653735
(2021-Mar-11.48505365)
6.4916e-05 TDB
period 1335.768489587878
3.66
8.1337e-06
2.227e-08
d
yr
n .2695077798332181 1.6411e-09 deg/d
Q 2.690074347315816 1.092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      11413 days (31.25 yr)  
   first obs. used      1989-03-02  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:56:25  

Additional Information
 Earth MOID = 1.0673 au 
 Jupiter MOID = 2.67165 au 
 T_jup = 3.525 
[ 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 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

[ show close-approach data ]
Alternate Designations
 1996 AE = 1989 ER4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-06 13:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin