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JPL Small-Body Database Browser
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392470 (2011 EK68)
Classification: Main-belt Asteroid          SPK-ID: 2392470
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086184169144215 6.4056e-07  
a 2.519264812157656 2.5738e-08 au
q 2.245626256472884 1.6164e-06 au
i 13.85403203505918 9.721e-06 deg
node 178.0778986031548 2.4811e-05 deg
peri 188.7218978651179 0.0001546 deg
M 179.7826973098189 0.00019404 deg
tp 2457871.118826834646
(2017-Apr-27.61882683)		 0.00078861 TDB
period 1460.52554705545
4.00		 2.2382e-05
6.128e-08		 d
yr
n .2464866162223538 3.7774e-09 deg/d
Q 2.792903367842428 2.8534e-08 au
   Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:57  

Additional Information
 Earth MOID = 1.24338 au 
 Jupiter MOID = 2.66218 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457335.5 (2015-Nov-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083898171785481 6.4204e-07  
q 2.246302051270388 1.6197e-06 au
tp 2457872.409065755626
(2017-Apr-28.90906576)		 0.0007805 TDB
node 178.087643693627 2.4812e-05 deg
peri 189.0932769547867 0.00015248 deg
i 13.8538882657052 9.7215e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6374 days (17.45 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:57  

Additional Information
 Jupiter MOID = 2.66218 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.122167574949559E-13 -1.039829130634642E-12 4.938928643150414E-10 -2.540208972174973E-12 9.468030368931065E-11 -3.062877315766034E-12
q -1.039829130634642E-12 2.623523488560484E-12 -1.246293522523775E-9 6.407395265490262E-12 -2.389803857019102E-10 7.730717307960186E-12
tp 4.938928643150414E-10 -1.246293522523775E-9 6.091802133655064E-7 -3.04724407893581E-9 1.174311932955453E-7 -3.725150117352298E-9
node -2.540208972174973E-12 6.407395265490262E-12 -3.04724407893581E-9 6.156159903572585E-10 -1.166034346083532E-9 6.896169323104001E-11
peri 9.468030368931065E-11 -2.389803857019102E-10 1.174311932955453E-7 -1.166034346083532E-9 2.325159370749531E-8 -7.653800399621821E-10
i -3.062877315766034E-12 7.730717307960186E-12 -3.725150117352298E-9 6.896169323104001E-11 -7.653800399621821E-10 9.45084835852335E-11

[ 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 16.5   n/a MPO437607  

392470 (2011 EK68)          Discovered 2007-Feb-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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