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JPL Small-Body Database Browser
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379649 (2011 EF22)
Classification: Main-belt Asteroid          SPK-ID: 2379649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .09117938709915716 5.2891e-08  
a 2.455610960080278 1.9628e-08 au
q 2.231709857786185 1.2672e-07 au
i 6.561516168793779 4.1422e-06 deg
node 113.1853564586656 6.6142e-05 deg
peri 47.36783906536339 8.0792e-05 deg
M 151.3895505082157 4.782e-05 deg
tp 2458409.440543297191
(2018-Oct-17.94054330)
0.00018439 TDB
period 1405.522400315628
3.85
1.6852e-05
4.614e-08
d
yr
n .2561325240488216 3.071e-09 deg/d
Q 2.67951206237437 2.1418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      8433 days (23.09 yr)  
   first obs. used      1996-05-20  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:57:33  

Additional Information
 Earth MOID = 1.24696 au 
 Jupiter MOID = 2.31201 au 
 T_jup = 3.478 
[ 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 16.9   n/a MPO434349  

379649 (2011 EF22)          Discovered 2007-Jan-24 by CSS at Catalina
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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