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JPL Small-Body Database Browser
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14974 Pocatky (1997 SK1)
Classification: Main-belt Asteroid          SPK-ID: 2014974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08607274927566046 4.0772e-08  
a 2.630677815505144 1.1962e-08 au
q 2.404248143466128 1.0741e-07 au
i 3.870367850879688 4.6961e-06 deg
node 338.4027592805497 5.2129e-05 deg
peri 157.9421275205424 5.6923e-05 deg
M 239.0639150787092 2.4042e-05 deg
tp 2459124.044166308589
(2020-Oct-01.54416631)
0.00010527 TDB
period 1558.475288775542
4.27
1.063e-05
2.91e-08
d
yr
n .2309950004294542 1.5756e-09 deg/d
Q 2.857107487544161 1.2992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      10452 days (28.62 yr)  
   first obs. used      1991-03-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51757  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:53:10  

Additional Information
 Earth MOID = 1.41878 au 
 Jupiter MOID = 2.15893 au 
 T_jup = 3.392 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO452382  
diameter diameter 4.040 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 21.728 h n/a LCDB (Rev. 2019-January); 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.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.226   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14974 Počátky           Discovered 1997 Sept. 22 by M. Tichy at Klet.
Počátky is the south Bohemian town where the discoverer was born.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1997 SK1 = 1991 FF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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