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190333 Jirous (1998 SX14)
Classification: Main-belt Asteroid          SPK-ID: 2190333
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1709151848753859 4.7366e-08  
a 2.979171064014265 2.7129e-08 au
q 2.469985490832866 1.4345e-07 au
i 13.95271997270826 5.7643e-06 deg
node 344.4447782380358 2.321e-05 deg
peri 298.3582947657614 3.0736e-05 deg
M 174.7464842671359 2.4607e-05 deg
tp 2458288.809278922046
(2018-Jun-19.30927892)
0.00012209 TDB
period 1878.198928948575
5.14
2.5655e-05
7.024e-08
d
yr
n .1916729875900472 2.6181e-09 deg/d
Q 3.488356637195663 3.1766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      8160 days (22.34 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:35  

Additional Information
 Earth MOID = 1.48789 au 
 Jupiter MOID = 1.93109 au 
 T_jup = 3.194 
[ 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 15.3   n/a MPO454314  
diameter diameter 4.671 km 1.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190333 Jirous           Discovered 1998 Sept. 23 by M. Tichy at Klet.
Ivan Martin Jirous (1944-2011) (known as Magor) was a poet, art historian, frontman of the rock group The Plastic People of the Universe and leading personality of the Czech underground movement during the communist regime. In prison he wrote the poetry collection Magorovy labutí písně.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

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Alternate Designations
 1998 SX14 = 2003 QY11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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