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173668 (2001 KU38)
Classification: Main-belt Asteroid          SPK-ID: 2173668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2075842333417516 4.6694e-08  
a 2.558014597466885 2.3861e-08 au
q 2.027011098374712 1.128e-07 au
i 12.78921825961439 6.95e-06 deg
node 88.69789497004153 4.6753e-05 deg
peri 201.3179294212528 5.6288e-05 deg
M 108.551863553152 3.5403e-05 deg
tp 2458149.903579523257
(2018-Jan-31.40357952)
0.00014341 TDB
period 1494.352156305449
4.09
2.0909e-05
5.725e-08
d
yr
n .2409070703187149 3.3707e-09 deg/d
Q 3.089018096559058 2.8814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2001-05-22  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:47:09  

Additional Information
 Earth MOID = 1.01522 au 
 Jupiter MOID = 2.09465 au 
 T_jup = 3.372 
[ 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 15.9   n/a MPO314448  
diameter diameter 4.006 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173668 (2001 KU38)          Discovered 2001-May-22 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 KU38 = 2005 HJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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