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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542383959465538 5.4859e-08  
q 2.058005335665455 1.3418e-07 au
tp 2457651.802356966763
(2016-Sep-20.30235697)
4.6234e-05 TDB
node 352.3601278216207 0.00018252 deg
peri 27.6615266051037 0.00018301 deg
i 1.382946693174147 5.4133e-06 deg
  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
 Jupiter MOID = 2.65654 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.009528493770201E-15 -7.340644284041982E-15 1.537495137806389E-14 3.12395429836562E-14 -8.891754170936754E-14 -8.512033852005967E-16
q -7.340644284041982E-15 1.800493194771247E-14 -6.807122631075475E-14 -7.525108521665264E-14 1.936424669852854E-13 2.173014453828312E-15
tp 1.537495137806389E-14 -6.807122631075475E-14 2.137585813801309E-9 6.62814679811492E-13 6.28929764816825E-10 -1.159249566578811E-13
node 3.12395429836562E-14 -7.525108521665264E-14 6.62814679811492E-13 3.331172609167413E-8 -3.330225804741374E-8 3.949223218151933E-10
peri -8.891754170936754E-14 1.936424669852854E-13 6.28929764816825E-10 -3.330225804741374E-8 3.349151817713179E-8 -3.948393294922722E-10
i -8.512033852005967E-16 2.173014453828312E-15 -1.159249566578811E-13 3.949223218151933E-10 -3.948393294922722E-10 2.930365449276951E-11

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

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