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226838 (2004 SL19)
Classification: Main-belt Asteroid          SPK-ID: 2226838
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421330329208738 4.2083e-08  
a 2.757634500613122 2.2007e-08 au
q 2.365683545353739 1.1945e-07 au
i 8.150796691982631 5.3429e-06 deg
node 288.9240406821216 3.3023e-05 deg
peri 142.6669823206905 4.069e-05 deg
M 106.4733484974549 2.1438e-05 deg
tp 2458505.800018202951
(2019-Jan-22.30001820)
9.8727e-05 TDB
period 1672.643867786262
4.58
2.0022e-05
5.482e-08
d
yr
n .2152281229335797 2.5764e-09 deg/d
Q 3.149585455872504 2.5135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      7067 days (19.35 yr)  
   first obs. used      2000-12-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:30:57  

Additional Information
 Earth MOID = 1.38657 au 
 Jupiter MOID = 2.11673 au 
 T_jup = 3.314 
[ 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 15.9   n/a MPO418210  
rotation period rot_per 6.196 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

226838 (2004 SL19)          Discovered 2004-Sep-18 by LINEAR at Socorro
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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