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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06169153289120082 4.8799e-08  
a 2.910434791896868 2.7672e-08 au
q 2.730885608204868 1.3626e-07 au
i 8.615415126846807 1.1339e-05 deg
node 193.9102662632789 3.1872e-05 deg
peri 84.98835999132588 9.9824e-05 deg
M 150.1173522845761 9.5441e-05 deg
tp 2458244.253057059992
(2018-May-05.75305706)
0.00048149 TDB
period 1813.573816185507
4.97
2.5865e-05
7.081e-08
d
yr
n .1985030864402248 2.831e-09 deg/d
Q 3.089983975588869 2.9379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1994-10-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:59:28  

Additional Information
 Earth MOID = 1.73244 au 
 Jupiter MOID = 1.99211 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-August); 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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