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4176 Sudek (1987 DS)
Classification: Main-belt Asteroid          SPK-ID: 2004176
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .142253512507713 3.0218e-08  
a 3.0992072146232 1.3405e-08 au
q 2.658334102353804 9.3017e-08 au
i 2.599698319277724 3.5264e-06 deg
node 114.3208087060587 9.0719e-05 deg
peri 355.7961262616293 9.1936e-05 deg
M 96.44724776483756 1.4479e-05 deg
tp 2458666.597829146550
(2019-Jul-02.09782915)
7.9923e-05 TDB
period 1992.848795186829
5.46
1.293e-05
3.54e-08
d
yr
n .1806459179790658 1.1721e-09 deg/d
Q 3.540080326892595 1.5312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2826  
   data-arc span      24967 days (68.36 yr)  
   first obs. used      1952-11-12  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:27:19  

Additional Information
 Earth MOID = 1.67491 au 
 Jupiter MOID = 1.57513 au 
 T_jup = 3.205 
[ 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 12.11   n/a E2021B10  
diameter diameter 18.858 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.164 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.095   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4176 Sudek           Discovered 1987 Feb. 24 by A. Mrkos at Klet.
Named in memory of Josef Sudek (1896-1976), outstanding Czech photographer, well-known for his black-and-white series of still lifes and views of Prague. Name suggested by M. Tichy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980211/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1987 DS = 1949 FF1 = 1952 VC = 1974 TC1 = 1979 SX5 = 1982 FO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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