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JPL Small-Body Database Browser
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393221 (2013 EJ71)
Classification: Outer Main-belt Asteroid          SPK-ID: 2393221
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006217873775190789 7.2757e-08  
a 3.229737906559804 5.7077e-08 au
q 3.209655803929866 2.3139e-07 au
i 12.79156216746966 7.2991e-06 deg
node 164.1398487141045 2.7401e-05 deg
peri 220.9764858490569 0.00054279 deg
M 226.8326136355322 0.00054397 deg
tp 2459784.732295933242
(2022-Jul-24.23229593)
0.0032026 TDB
period 2120.06583776655
5.80
5.62e-05
1.539e-07
d
yr
n .1698060473344796 4.5013e-09 deg/d
Q 3.249820009189742 5.7432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      7521 days (20.59 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:08:36  

Additional Information
 Earth MOID = 2.20721 au 
 Jupiter MOID = 1.75492 au 
 T_jup = 3.148 
[ 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 15.8   n/a MPO472037  

393221 (2013 EJ71)          Discovered 1998-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2013 EJ71 = 2007 EO97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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