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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182806993391452 6.8691e-08  
a 3.040913665823093 4.1873e-08 AU
q 2.485013381410995 2.0502e-07 AU
i 13.27124474166975 7.7964e-06 deg
node 125.4509423277387 3.2283e-05 deg
peri 270.05182014193 3.8201e-05 deg
M 284.9584518787063 2.2601e-05 deg
tp 2457404.241922456088
(2016-Jan-16.74192246)
0.00012472 JED
period 1936.888240222062
5.30
4.0007e-05
1.095e-07
d
yr
n .1858651379693061 3.8391e-09 deg/d
Q 3.596813950235191 4.9528e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7604 days (20.82 yr)  
   first obs. used      1994-10-04  
   last obs. used      2015-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58204  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:55:00  

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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