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JPL Small-Body Database Browser
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376237 (2011 EN45)
Classification: Main-belt Asteroid          SPK-ID: 2376237
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 .08139364413170636 7.3299e-08  
a 2.840733061751236 3.5873e-08 au
q 2.609515445849884 2.1413e-07 au
i 3.09437967254823 5.1138e-06 deg
node 96.76776511969058 0.00014152 deg
peri 260.0932868478815 0.00014577 deg
M 157.0449638358659 3.5204e-05 deg
tp 2458237.603576848400
(2018-Apr-29.10357685)
0.00017144 TDB
period 1748.815788971218
4.79
3.3126e-05
9.069e-08
d
yr
n .2058535851919421 3.8993e-09 deg/d
Q 3.071950677652589 3.8792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      6974 days (19.09 yr)  
   first obs. used      1999-11-29  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58075  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:57:14  

Additional Information
 Earth MOID = 1.60727 au 
 Jupiter MOID = 2.30139 au 
 T_jup = 3.302 
[ 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 16.3   n/a MPO418905  

376237 (2011 EN45)          Discovered 1999-Nov-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

Alternate Designations
 2011 EN45 = 2009 YX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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