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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 
[ 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 16.5   n/a MPO437607  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2036-Mar-21 10:52 00:22 Hebe 0.0333931775952641 0.0333571744987763 0.0334294988220391 3.35672839007859 3.35672833461812 2464773.952738280 21.6630964682053 5461.2004913066 160.372189465337 70.8096609399867 29393.5546368602 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 07:08:58 2019-Sep-24 07:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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