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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411904554976871 7.3071e-08  
a 2.647057883729118 2.9113e-08 au
q 2.27331857539666 1.8975e-07 au
i 12.19772378886898 7.467e-06 deg
node 53.36101302862578 4.5037e-05 deg
peri 5.270358475048782 6.6107e-05 deg
M 82.0866674669922 4.538e-05 deg
tp 2458241.814592868802
(2018-May-03.31459287)
0.00019757 TDB
period 1573.053828980867
4.31
2.5952e-05
7.105e-08
d
yr
n .2288542155186342 3.7755e-09 deg/d
Q 3.020797192061575 3.3224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      6728 days (18.42 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:10:24  

Additional Information
 Earth MOID = 1.28531 au 
 Jupiter MOID = 2.33975 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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