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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335435653328409 3.1934e-08  
a 3.17399874173421 1.6116e-08 au
q 2.750131633401073 1.0359e-07 au
i .7825175308041503 3.5661e-06 deg
node 226.4949879470145 0.00027139 deg
peri 17.79850579027169 0.00027175 deg
M 260.7141586479626 1.5157e-05 deg
tp 2459770.130679663731
(2022-Jul-09.63067966)
8.8245e-05 TDB
period 2065.42082825121
5.65
1.5731e-05
4.307e-08
d
yr
n .1742986199596001 1.3275e-09 deg/d
Q 3.597865850067348 1.8268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2281  
   data-arc span      15482 days (42.39 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:00:26  

Additional Information
 Earth MOID = 1.73549 au 
 Jupiter MOID = 1.42117 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 13.22   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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