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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08592339946375087 3.3658e-08  
a 2.631273608374493 9.5575e-09 au
q 2.405185635023706 8.8633e-08 au
i 3.870367496481728 3.9767e-06 deg
node 338.3889877857529 4.8426e-05 deg
peri 157.6781283112498 5.3088e-05 deg
M 17.87432149020382 2.1635e-05 deg
tp 2459123.094021367361
(2020-Sep-30.59402137)
9.3648e-05 TDB
period 1559.004761272894
4.27
8.4941e-06
2.326e-08
d
yr
n .2309165494184043 1.2581e-09 deg/d
Q 2.85736158172528 1.0379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      10962 days (30.01 yr)  
   first obs. used      1991-03-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:55:34  

Additional Information
 Earth MOID = 1.41923 au 
 Jupiter MOID = 2.15684 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456909.5 (2014-Sep-09.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08501857471792036 3.3954e-08  
q 2.407728440816732 8.9376e-08 au
tp 2457567.546671912075
(2016-Jun-28.04667191)
9.3665e-05 TDB
node 338.4640212698305 4.835e-05 deg
peri 158.3665261607214 5.3044e-05 deg
i 3.873869587544662 3.9788e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      10962 days (30.01 yr)  
   first obs. used      1991-03-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:55:34  

Additional Information
 Jupiter MOID = 2.15684 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.152906348509655E-15 -3.020257361998603E-15 7.399191639867841E-13 -2.7423205725252E-15 2.057668708087571E-13 -9.33275950387997E-17
q -3.020257361998603E-15 7.988152270143176E-15 -1.951408009154286E-12 6.338015132805945E-15 -5.488469410958389E-13 3.429397700189202E-16
tp 7.399191639867841E-13 -1.951408009154286E-12 8.773060678890159E-9 4.77331185596974E-12 2.049839364926368E-9 2.794590054260092E-12
node -2.7423205725252E-15 6.338015132805945E-15 4.77331185596974E-12 2.337679599289519E-9 -2.331067845901815E-9 3.087001244735793E-11
peri 2.057668708087571E-13 -5.488469410958389E-13 2.049839364926368E-9 -2.331067845901815E-9 2.813661861783762E-9 -3.015738907051283E-11
i -9.33275950387997E-17 3.429397700189202E-16 2.794590054260092E-12 3.087001244735793E-11 -3.015738907051283E-11 1.583066631124707E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.28   n/a MPCxxxxx  
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. 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.]
[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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