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JPL Small-Body Database Browser
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17437 Stekene (1989 SC4)
Classification: Main-belt Asteroid          SPK-ID: 2017437
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05293992370917829 3.9726e-08  
a 3.164940715774684 2.2993e-08 au
q 2.9973889957375 1.2703e-07 au
i 21.52981438778695 5.4061e-06 deg
node 191.5512207854198 1.2303e-05 deg
peri 319.1678617479855 5.2748e-05 deg
M 328.787251427208 5.224e-05 deg
tp 2458778.810250141738
(2019-Oct-22.31025014)		 0.00029878 TDB
period 2056.585625624179
5.63		 2.2412e-05
6.136e-08		 d
yr
n .1750474162196574 1.9076e-09 deg/d
Q 3.332492435811868 2.421e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1522  
   data-arc span      11029 days (30.20 yr)  
   first obs. used      1989-09-26  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53479  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:19:58  

Additional Information
 Earth MOID = 2.02407 au 
 Jupiter MOID = 1.67048 au 
 T_jup = 3.093 
[ 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 13.0   n/a MPO502302  
diameter diameter 13.992 km 2.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17437 Stekene           Discovered 1989 Sept. 26 by E. W. Elst at the European Southern Observatory.
Stekene is a town in East-Flanders. Its church has a tower from the thirteenth century.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-11-04Last Updated: 2017-11-07

[ show close-approach data ]
Alternate Designations
 1989 SC4 = 1995 WN42 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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