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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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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745448734880854 3.5026e-08  
a 3.214776292720716 1.6483e-08 au
q 2.653653571415283 1.1785e-07 au
i 2.418943283510472 4.1447e-06 deg
node 124.8926697752549 9.1297e-05 deg
peri 267.6405368570782 9.2071e-05 deg
M 306.3963066495754 1.0951e-05 deg
tp 2458913.985007653180
(2020-Mar-05.48500765)
6.4151e-05 TDB
period 2105.351249164456
5.76
1.6192e-05
4.433e-08
d
yr
n .1709928450860027 1.3151e-09 deg/d
Q 3.77589901402615 1.936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1836  
   data-arc span      25317 days (69.31 yr)  
   first obs. used      1950-08-14  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:22:54  

Additional Information
 Earth MOID = 1.66047 au 
 Jupiter MOID = 1.66274 au 
 T_jup = 3.165 
[ 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 12.7   n/a MPO502221  
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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