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20496 Jenik (1999 QA2)
Classification: Main-belt Asteroid          SPK-ID: 2020496
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828069848300865 7.1296e-08  
a 3.040913656836365 4.6149e-08 AU
q 2.485013400101477 2.0933e-07 AU
i 13.27124424770232 7.8652e-06 deg
node 125.4509446917006 3.267e-05 deg
peri 270.0518157192873 3.878e-05 deg
M 284.9584562002185 2.4438e-05 deg
tp 2457404.241897415542
(2016-Jan-16.74189742)
0.00013586 JED
period 1936.888231636013
5.30
4.4091e-05
1.207e-07
d
yr
n .1858651387932293 4.231e-09 deg/d
Q 3.596813913571254 5.4585e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      7198 days (19.71 yr)  
   first obs. used      1994-10-04  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58598  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:44:50  

Additional Information
 Earth MOID = 1.53507 AU 
 T_jup = 3.174 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO263530  

20496 Jeník           Discovered 1999 Aug. 22 by L. Šarounová at Ondřejov.
Jeník is the nickname of the main tenor character in Smetana's The Bartered Bride.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

[ show close-approach data ]
Alternate Designations
 1999 QA2 = 1997 EH30 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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