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21511 Chiardola (1998 KT36)
Classification: Main-belt Asteroid          SPK-ID: 2021511
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050343334953656 3.1009e-08  
a 2.270133341218794 6.6207e-09 au
q 2.03169139877827 7.0281e-08 au
i 3.69810616924884 3.1681e-06 deg
node 256.3635146458365 5.7506e-05 deg
peri 315.1847003600803 5.9967e-05 deg
M 297.6661034815858 1.7963e-05 deg
tp 2459612.820288035908
(2022-Feb-02.32028804)
6.2567e-05 TDB
period 1249.325135160157
3.42
5.4654e-06
1.496e-08
d
yr
n .2881555728516179 1.2606e-09 deg/d
Q 2.508575283659317 7.3161e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1747  
   data-arc span      10974 days (30.05 yr)  
   first obs. used      1991-04-18  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:14:23  

Additional Information
 Earth MOID = 1.02801 au 
 Jupiter MOID = 2.46416 au 
 T_jup = 3.603 
[ 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 14.71   n/a MPCxxxxx  

21511 Chiardola           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Hugo Gualterio Chiardola (b. 1985) was awarded second place in the 2005 Intel International Science and Engineering Fair for his engineering team project. He attends the Escuela No. 139 Tecnica de Produccion Agroindustrial, Viale, Entre Rios, Argentina.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050822/MPCPages.arcLast Updated: 2005-08-26

Alternate Designations
 1998 KT36 = 1996 XN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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