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106869 Irinyi (2000 YY31)
Classification: Main-belt Asteroid          SPK-ID: 2106869
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419485480552153 6.6793e-08  
a 2.457422373276704 1.9302e-08 au
q 2.108594835431675 1.6929e-07 au
i 3.099047672575046 5.5044e-06 deg
node 92.19023612940909 0.00014193 deg
peri 322.7438000157891 0.00014424 deg
M 49.82760050985345 2.3841e-05 deg
tp 2457405.746347285535
9.3557e-05 JED
period 1407.077889759966
n .2558493759442219 3.0144e-09 deg/d
Q 2.806249911121734 2.2042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      8518 days (23.32 yr)  
   first obs. used      1992-11-18  
   last obs. used      2016-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54228  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 19:33:38  

Additional Information
 Earth MOID = 1.11961 au 
 Jupiter MOID = 2.52826 au 
 T_jup = 3.476 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5 mag n/a MPO348152  

106869 Irinyi           Discovered 2000 Dec. 31 by K. Sárneczky and L. Kiss at Piszkéstető.
János Irinyi (1817-1895) invented the "noiseless" match. An unsuccessful experiment in 1836 at the Vienna Polytechnikum gave him the idea that by replacing potassium chlorate with lead dioxide a non-explosive match can be created. After returning home he founded the first factories for such matches in Pest.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

Alternate Designations
 2000 YY31 = 2005 AC47 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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