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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825543077541819 6.6054e-08  
a 3.040289883544552 3.4699e-08 au
q 2.485271868482034 2.0133e-07 au
i 13.27064955813106 7.0905e-06 deg
node 125.4482680039156 3.2105e-05 deg
peri 270.0447134544161 3.7524e-05 deg
M 359.3036293140241 1.9141e-05 deg
tp 2457404.245492214999
(2016-Jan-16.74549221)
0.00010296 JED
period 1936.292300285365
5.30
3.3149e-05
9.076e-08
d
yr
n .18592234237927 3.1829e-09 deg/d
Q 3.595307898607069 4.1034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1994-10-04  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58105  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:45:27  

Additional Information
 Earth MOID = 1.53423 au 
 Jupiter MOID = 2.02757 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 14.2 mag n/a MPO358826  

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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