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JPL Small-Body Database Browser
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226863 (2004 TK38)
Classification: Main-belt Asteroid          SPK-ID: 2226863
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06181903910446047 4.9199e-08  
a 2.9093260235753 2.7852e-08 au
q 2.729474284356274 1.3763e-07 au
i 8.617210626740272 1.1475e-05 deg
node 193.915902300738 3.219e-05 deg
peri 84.63157613837924 0.00010017 deg
M 71.04949432599443 9.5642e-05 deg
tp 2458242.778119646103
(2018-May-04.27811965)
0.00048195 TDB
period 1812.537557783673
4.96
2.6028e-05
7.126e-08
d
yr
n .1986165740147196 2.8522e-09 deg/d
Q 3.089177762794326 2.9574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      9181 days (25.14 yr)  
   first obs. used      1994-10-09  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:28:38  

Additional Information
 Earth MOID = 1.73049 au 
 Jupiter MOID = 1.99256 au 
 T_jup = 3.264 
[ 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 15.7   n/a MPO454630  
rotation period rot_per 6.44 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 [Result based on fragmentary lightcurve(s), may be completely wrong.]

226863 (2004 TK38)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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