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392600 (2011 SK226)
Classification: Main-belt Asteroid          SPK-ID: 2392600
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091182831827897 1.1232e-07  
a 2.63129500054172 3.354e-08 au
q 2.081043107480978 3.0968e-07 au
i 7.979799398781172 1.0443e-05 deg
node 340.350333176671 3.4662e-05 deg
peri 347.8192338498945 3.9034e-05 deg
M 90.89405871102629 1.5178e-05 deg
tp 2458806.872226716800
(2019-Nov-19.37222672)
6.2854e-05 TDB
period 1559.023773297094
4.27
2.9808e-05
8.161e-08
d
yr
n .2309137334311815 4.415e-09 deg/d
Q 3.181546893602463 4.0554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1998-09-01  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:12  

Additional Information
 Earth MOID = 1.06884 au 
 Jupiter MOID = 2.18181 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457064.5 (2015-Feb-11.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103148859205225 1.1221e-07  
q 2.077158095090307 3.0989e-07 au
tp 2457249.804414245544
(2015-Aug-15.30441425)
5.976e-05 TDB
node 340.4462197338568 3.464e-05 deg
peri 348.0229477873038 3.8954e-05 deg
i 7.984355654006063 1.0448e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8163 days (22.35 yr)  
   first obs. used      1998-09-01  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:12  

Additional Information
 Jupiter MOID = 2.18181 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.259037746131822E-14 -3.467501121579146E-14 2.348994193830877E-12 -2.086205620417299E-15 5.983863482951084E-13 -9.184704310412685E-14
q -3.467501121579146E-14 9.602886735417682E-14 -6.44679460263432E-12 1.873353768559232E-15 -1.668240510023954E-12 2.56934201682708E-13
tp 2.348994193830877E-12 -6.44679460263432E-12 3.571237769909405E-9 5.755013588635092E-12 1.073827096263363E-9 -2.475642168117578E-11
node -2.086205620417299E-15 1.873353768559232E-15 5.755013588635092E-12 1.199895151193888E-9 -1.183850606566985E-9 4.965746842151821E-11
peri 5.983863482951084E-13 -1.668240510023954E-12 1.073827096263363E-9 -1.183850606566985E-9 1.517411333287706E-9 -5.592637810422926E-11
i -9.184704310412685E-14 2.56934201682708E-13 -2.475642168117578E-11 4.965746842151821E-11 -5.592637810422926E-11 1.091568554200964E-10

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 17.12   n/a MPCxxxxx  
diameter diameter 2.632 km 0.566 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392600 (2011 SK226)          Discovered 2010-Jul-22 by WISE at WISE
Reference: Last Updated: 2014-04-17

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Alternate Designations
 2011 SK226 = 2010 OZ44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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