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4173 Thicksten (1982 KG1)
Classification: Main-belt Asteroid          SPK-ID: 2004173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223198248951153 3.1739e-08  
a 2.358499529495672 6.8709e-09 au
q 2.07000828003255 7.5392e-08 au
i 4.14676586412975 3.4013e-06 deg
node 107.26300840126 5.0517e-05 deg
peri 18.37066481830456 5.2541e-05 deg
M 328.7714744323989 1.4763e-05 deg
tp 2459315.262789732335
(2021-Apr-10.76278973)
5.4374e-05 TDB
period 1322.976463112416
3.62
5.7812e-06
1.583e-08
d
yr
n .2721136845874561 1.1891e-09 deg/d
Q 2.646990778958795 7.7113e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2378  
   data-arc span      24345 days (66.65 yr)  
   first obs. used      1954-07-29  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44259  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:27:17  

Additional Information
 Earth MOID = 1.08585 au 
 Jupiter MOID = 2.40228 au 
 T_jup = 3.539 
[ 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 13.71   n/a E2021B10  
diameter diameter 11.533 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.966 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.075   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4173 Thicksten (1982 KG1)          Discovered 1982-May-27 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 KG1 = 1951 WG1 = 1969 TS6 = 1969 VG3 = 1985 CB = 1999 CE154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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