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11408 Zahradnik (1999 EG3)
Classification: Main-belt Asteroid          SPK-ID: 2011408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335435634323165 3.0905e-08  
a 3.173998743142494 1.5533e-08 au
q 2.750131640653552 1.0127e-07 au
i .7825170762964935 3.3263e-06 deg
node 226.4949888070999 0.00027132 deg
peri 17.79850528570731 0.00027168 deg
M 260.7141584147343 1.5152e-05 deg
tp 2459770.130681380940
(2022-Jul-09.63068138)
8.8239e-05 TDB
period 2065.420829625832
5.65
1.5161e-05
4.151e-08
d
yr
n .1742986198435972 1.2795e-09 deg/d
Q 3.597865845631437 1.7607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2435  
   data-arc span      15543 days (42.55 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47939  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:57:43  

Additional Information
 Earth MOID = 1.73549 au 
 Jupiter MOID = 1.42117 au 
 T_jup = 3.187 
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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 13.22   n/a E2021B10  
diameter diameter 10.712 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11408 Zahradník           Discovered 1999 Mar. 13 by L. Šarounová at Ondřejov.
Rudolf Zahradník (b. 1928), co-founder of the Czech school of quantum chemistry, became the founding father and the first president of the Learned Society of the Czech Republic (1994-1997) and the first president of the Academy of Sciences of the Czech Republic (1993-2001).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080321/MPCPages.arcLast Updated: 2008-03-26

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Alternate Designations
 1999 EG3 = 1978 RZ7 = 1997 YM20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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