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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081928765041602 1.2879e-07  
a 2.520963121706393 2.5279e-08 au
q 2.248212870008071 3.2165e-07 au
i 13.850554112279 8.0408e-06 deg
node 178.0431648522533 2.4354e-05 deg
peri 188.424451552598 4.6273e-05 deg
M 278.6724539368233 4.6822e-05 deg
tp 2459330.780804121838
(2021-Apr-26.28080412)		 0.00019091 TDB
period 1462.002669937896
4.00		 2.199e-05
6.021e-08		 d
yr
n .2462375804110483 3.7037e-09 deg/d
Q 2.793713373404715 2.8014e-08 au
   Orbit Determination Parameters
   # obs. used (total)      182  
   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      .62203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:18  

Additional Information
 Earth MOID = 1.2467 au 
 Jupiter MOID = 2.66464 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457298.5 (2015-Oct-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1083734072687201 1.291e-07  
q 2.246369014621951 3.2188e-07 au
tp 2457872.422211899220
(2017-Apr-28.92221190)		 0.00018573 TDB
node 178.0878307957151 2.4351e-05 deg
peri 189.092813366107 4.5759e-05 deg
i 13.85393231026946 8.0432e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      182  
   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      .62203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:18  

Additional Information
 Jupiter MOID = 2.66464 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.666701545220388E-14 -4.14536013748028E-14 1.711974826149331E-11 -9.040394204262947E-14 3.224594806862445E-12 -1.014080973718845E-13
q -4.14536013748028E-14 1.036039365159352E-13 -4.291051316294972E-11 2.241049946828435E-13 -8.144948263916941E-12 2.560461799227606E-13
tp 1.711974826149331E-11 -4.291051316294972E-11 3.449598868573495E-8 -8.476745716533057E-11 7.184306400307637E-9 -1.458075985965495E-10
node -9.040394204262947E-14 2.241049946828435E-13 -8.476745716533057E-11 5.929768061611925E-10 -5.900091833614912E-10 4.307268892938567E-11
peri 3.224594806862445E-12 -8.144948263916941E-12 7.184306400307637E-9 -5.900091833614912E-10 2.093914116765886E-9 -7.094973448489551E-11
i -1.014080973718845E-13 2.560461799227606E-13 -1.458075985965495E-10 4.307268892938567E-11 -7.094973448489551E-11 6.469307645375298E-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 16.4   n/a MPO476851  

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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