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7226 Kryl (1984 QJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2007226
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750556220210142 3.1141e-08  
a 3.216519539362697 1.451e-08 au
q 2.653449710656814 1.0304e-07 au
i 2.418974810184051 3.8794e-06 deg
node 124.8886888200415 8.3279e-05 deg
peri 267.7030399183876 8.4118e-05 deg
M 48.9123045087759 1.049e-05 deg
tp 2458914.218461709657
(2020-Mar-05.71846171)
6.1467e-05 TDB
period 2107.063954961114
5.77
1.4258e-05
3.904e-08
d
yr
n .1708538552673613 1.1561e-09 deg/d
Q 3.77958936806858 1.7051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2193  
   data-arc span      25771 days (70.56 yr)  
   first obs. used      1950-08-14  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 19:31:15  

Additional Information
 Earth MOID = 1.6598 au 
 Jupiter MOID = 1.66233 au 
 T_jup = 3.165 
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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 12.71   n/a E2021B10  
diameter diameter 16.087 km 0.496 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7226 Kryl           Discovered 1984 Aug. 21 by A. Mrkos at Klet.
Named in memory of Karel Kryl (1944-1994), Czech singer and songwriter, from 1969 a resident of Germany working at Radio Free Europe. His songs were appreciated as a symbol of freedom by many people in the former Czechoslovakia. Name suggested by J. Ticha and M. Tichy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980211/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1984 QJ = 1982 HY2 = 1990 RE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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