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58587 (1997 SK23)
Classification: Main-belt Asteroid          SPK-ID: 2058587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523109005762078 5.4646e-08  
a 2.433923505780135 1.1862e-08 au
q 2.063210424681162 1.3341e-07 au
i 1.381106357891699 5.4055e-06 deg
node 352.1837320805064 0.00018287 deg
peri 27.89949246968768 0.00018339 deg
M 349.8252494359821 1.238e-05 deg
tp 2459039.699460034727
(2020-Jul-09.19946003)
4.7735e-05 TDB
period 1386.943642865014
3.80
1.014e-05
2.776e-08
d
yr
n .2595635387580327 1.8976e-09 deg/d
Q 2.804636586879108 1.3669e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      9937 days (27.21 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:32  

Additional Information
 Earth MOID = 1.06572 au 
 Jupiter MOID = 2.65654 au 
 T_jup = 3.489 
[ 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 16.6   n/a MPO436191  
diameter diameter 2.306 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.43 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:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.040   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58587 (1997 SK23)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 SK23 = 2001 VX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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