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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2076694632202179 4.5899e-08  
a 2.558048974414986 2.3928e-08 au
q 2.026820317007197 1.1066e-07 au
i 12.78886422523564 6.1914e-06 deg
node 88.69721699190094 3.5785e-05 deg
peri 201.3833463022091 4.4091e-05 deg
M 204.8152447412618 3.1611e-05 deg
tp 2459644.681523343049
(2022-Mar-06.18152334)
0.00013768 TDB
period 1494.382280120516
4.09
2.0968e-05
5.741e-08
d
yr
n .2409022141047922 3.3801e-09 deg/d
Q 3.089277631822775 2.8897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-05-22  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58588  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:07:40  

Additional Information
 Earth MOID = 1.01567 au 
 Jupiter MOID = 2.09621 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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