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181408 (2006 SK138)
Classification: Main-belt Asteroid          SPK-ID: 2181408
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461121261369641 3.8979e-08  
a 2.355662380477134 1.1279e-08 au
q 2.011471541604758 9.3065e-08 au
i 5.266297435020303 4.388e-06 deg
node 159.9792581218257 5.0481e-05 deg
peri 196.6383287030964 5.269e-05 deg
M 353.8086457584864 1.5603e-05 deg
tp 2459223.211778749439
(2021-Jan-08.71177875)
5.7269e-05 TDB
period 1320.589976095291
3.62
9.4844e-06
2.597e-08
d
yr
n .2726054312970366 1.9578e-09 deg/d
Q 2.69985321934951 1.2927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2001-04-16  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:30  

Additional Information
 Earth MOID = 1.00579 au 
 Jupiter MOID = 2.73676 au 
 T_jup = 3.535 
[ 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 16.77   n/a E2021B55  

181408 (2006 SK138)          Discovered 2006-Sep-20 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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