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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051285672064108 3.1457e-08  
a 2.269954135952534 6.6505e-09 au
q 2.031317110015578 7.1182e-08 au
i 3.69852579415118 3.1758e-06 deg
node 256.3678604069424 5.854e-05 deg
peri 315.2221921793692 6.098e-05 deg
M 241.1520503091463 1.7947e-05 deg
tp 2459612.894859946764
(2022-Feb-02.39485995)
6.2683e-05 TDB
period 1249.177204714204
3.42
5.4897e-06
1.503e-08
d
yr
n .2881896968992189 1.2665e-09 deg/d
Q 2.508591161889491 7.3496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1716  
   data-arc span      10869 days (29.76 yr)  
   first obs. used      1991-04-18  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:52:57  

Additional Information
 Earth MOID = 1.026 au 
 Jupiter MOID = 2.46523 au 
 T_jup = 3.603 
[ 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 14.7   n/a MPO502326  

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

[ show close-approach data ]
Alternate Designations
 1998 KT36 = 1996 XN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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