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JPL Small-Body Database Browser
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379648 (2011 EA22)
Classification: Main-belt Asteroid          SPK-ID: 2379648
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04478253942178978 7.0755e-08  
a 2.692487971574587 3.3058e-08 au
q 2.571911522844854 1.8682e-07 au
i 6.431685207565764 7.8884e-06 deg
node 6.426103684016237 5.861e-05 deg
peri 25.00706892192418 0.00010029 deg
M 156.4404529690694 8.2453e-05 deg
tp 2458299.245520328593
(2018-Jun-29.74552033)
0.00036608 TDB
period 1613.723355375478
4.42
2.972e-05
8.137e-08
d
yr
n .2230865648692528 4.1086e-09 deg/d
Q 2.813064420304321 3.4539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5628 days (15.41 yr)  
   first obs. used      2004-09-07  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58572  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:12:34  

Additional Information
 Earth MOID = 1.57752 au 
 Jupiter MOID = 2.3716 au 
 T_jup = 3.361 
[ 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 16.4   n/a MPO418931  

379648 (2011 EA22)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 EA22 = 2004 RA123 = 2013 SN30 = 2013 TZ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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