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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1432515513237045 5.3821e-08  
a 2.457555090057314 1.3082e-08 au
q 2.105506510943138 1.3246e-07 au
i 3.100725720826262 4.3107e-06 deg
node 92.12804465516972 0.00011184 deg
peri 323.39132999 0.00011348 deg
M 47.25658484630872 1.7238e-05 deg
tp 2458815.780326685649
(2019-Nov-28.28032669)
6.7615e-05 TDB
period 1407.191878326362
3.85
1.1236e-05
3.076e-08
d
yr
n .2558286510494678 2.0428e-09 deg/d
Q 2.809603669171491 1.4956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      9880 days (27.05 yr)  
   first obs. used      1992-11-18  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:54:49  

Additional Information
 Earth MOID = 1.11823 au 
 Jupiter MOID = 2.51818 au 
 T_jup = 3.476 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO502746  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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