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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174833017763023 3.3955e-08  
a 3.215604181109405 1.5812e-08 au
q 2.653410398194653 1.1396e-07 au
i 2.418936784649361 3.9918e-06 deg
node 124.8903266374612 8.9636e-05 deg
peri 267.670570618472 9.0406e-05 deg
M 14.77226725723959 1.0688e-05 deg
tp 2458914.075483343204
(2020-Mar-05.57548334)
6.2509e-05 TDB
period 2106.164575461421
5.77
1.5535e-05
4.253e-08
d
yr
n .1709268136945712 1.2608e-09 deg/d
Q 3.777797964024157 1.8577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1987  
   data-arc span      25646 days (70.21 yr)  
   first obs. used      1950-08-14  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:29:41  

Additional Information
 Earth MOID = 1.66089 au 
 Jupiter MOID = 1.66304 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 12.7   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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