Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748330177159778 3.4945e-08  
a 3.215604181135831 1.627e-08 au
q 2.653410398367738 1.1777e-07 au
i 2.41893684990578 4.0531e-06 deg
node 124.890329892907 9.1237e-05 deg
peri 267.6705675830768 9.1991e-05 deg
M 14.77226703929795 1.0783e-05 deg
tp 2458914.075484617197
(2020-Mar-05.57548462)
6.3046e-05 TDB
period 2106.164575487384
5.77
1.5985e-05
4.376e-08
d
yr
n .1709268136924642 1.2973e-09 deg/d
Q 3.777797963903924 1.9115e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1908  
   data-arc span      25374 days (69.47 yr)  
   first obs. used      1950-08-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:24:25  

Additional Information
 Earth MOID = 1.66089 au 
 Jupiter MOID = 1.66304 au 
 T_jup = 3.165 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456501.5 (2013-Jul-28.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1692059240302484 3.4307e-08  
q 2.6755336626091 1.1446e-07 au
tp 2456785.464324370233
(2014-May-07.96432437)
6.9879e-05 TDB
node 125.2126503755824 9.0843e-05 deg
peri 264.8323018980359 9.1726e-05 deg
i 2.420827926627811 4.0694e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1908  
   data-arc span      25374 days (69.47 yr)  
   first obs. used      1950-08-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:24:25  

Additional Information
 Jupiter MOID = 1.66304 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.176965732269854E-15 -3.9032872008018E-15 -5.45118644474989E-13 1.344416602066597E-15 -1.089032532452322E-13 -2.539378890861294E-16
q -3.9032872008018E-15 1.310101598417261E-14 1.632972009069587E-12 -2.061619022175814E-15 3.243060409846127E-13 1.25284925348217E-15
tp -5.45118644474989E-13 1.632972009069587E-12 4.883088813396448E-9 -1.524825826871335E-11 9.097967586102147E-10 -1.696564078533748E-13
node 1.344416602066597E-15 -2.061619022175814E-15 -1.524825826871335E-11 8.252395702472617E-9 -8.247448866518495E-9 1.03454671970975E-10
peri -1.089032532452322E-13 3.243060409846127E-13 9.097967586102147E-10 -8.247448866518495E-9 8.413608518786912E-9 -1.03394488538669E-10
i -2.539378890861294E-16 1.25284925348217E-15 -1.696564078533748E-13 1.03454671970975E-10 -1.03394488538669E-10 1.656008804080668E-11

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

[ show close-approach data ]
Alternate Designations
 1984 QJ = 1982 HY2 = 1990 RE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-09 12:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin