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JPL Small-Body Database Browser
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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336844043156082 3.362e-08  
a 3.173968287345595 1.7039e-08 au
q 2.749658227535168 1.0743e-07 au
i .7826124708802814 3.9009e-06 deg
node 226.5105027718565 0.00027333 deg
peri 17.75541533888002 0.0002737 deg
M 225.9004822936244 1.5121e-05 deg
tp 2459769.855418436323
(2022-Jul-09.35541844)
8.8347e-05 TDB
period 2065.391101879466
5.65
1.6632e-05
4.554e-08
d
yr
n .1743011285719237 1.4036e-09 deg/d
Q 3.598278347156022 1.9317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2102  
   data-arc span      15124 days (41.41 yr)  
   first obs. used      1978-09-02  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:02:08  

Additional Information
 Earth MOID = 1.73651 au 
 Jupiter MOID = 1.42182 au 
 T_jup = 3.187 
[ 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 13.2   n/a MPO384857  
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

[ show close-approach data ]
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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