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379661 (2011 EN53)
Classification: Main-belt Asteroid          SPK-ID: 2379661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409612002669463 6.5736e-08  
a 2.647115486153892 2.8503e-08 au
q 2.273974909980418 1.7226e-07 au
i 12.19699682983062 7.3905e-06 deg
node 53.36023668888564 3.8153e-05 deg
peri 5.19106805072202 5.0696e-05 deg
M 173.7432143607274 3.4034e-05 deg
tp 2458241.287917246415
(2018-May-02.78791725)
0.0001441 TDB
period 1573.105175916848
4.31
2.5408e-05
6.956e-08
d
yr
n .2288467456031237 3.6962e-09 deg/d
Q 3.020256062327365 3.2521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7138 days (19.54 yr)  
   first obs. used      2000-10-02  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:30:00  

Additional Information
 Earth MOID = 1.28633 au 
 Jupiter MOID = 2.34113 au 
 T_jup = 3.346 
[ 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 16.6   n/a MPO427886  

379661 (2011 EN53)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 EN53 = 2007 HP22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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