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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08597431930580725 3.7532e-08  
a 2.631371828754595 1.0754e-08 au
q 2.405141426936942 1.0085e-07 au
i 3.870149517772961 4.0151e-06 deg
node 338.3910140113009 5.2012e-05 deg
peri 157.7503773135691 5.6605e-05 deg
M 331.6306477992365 2.3115e-05 deg
tp 2459123.362309986129
(2020-Sep-30.86230999)
0.00010029 TDB
period 1559.092054058817
4.27
9.5575e-06
2.617e-08
d
yr
n .230903620516059 1.4155e-09 deg/d
Q 2.857602230572249 1.1678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1483  
   data-arc span      10542 days (28.86 yr)  
   first obs. used      1991-03-20  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:08:36  

Additional Information
 Earth MOID = 1.41927 au 
 Jupiter MOID = 2.15726 au 
 T_jup = 3.391 
[ 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-August); 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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