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JPL Small-Body Database Browser
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393474 (2002 EQ161)
Classification: Jupiter Trojan          SPK-ID: 2393474
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03842006722921172 1.4418e-07  
a 5.214346726164861 2.6522e-07 au
q 5.014011174389187 6.9713e-07 au
i 32.46263031928441 8.97e-06 deg
node 165.0373082868537 1.3287e-05 deg
peri 357.0612026416899 0.00012342 deg
M 179.2914506894065 0.00012924 deg
tp 2456834.515390534289
(2014-Jun-26.01539053)
0.0014539 TDB
period 4349.088907526632
11.91
0.00033182
9.085e-07
d
yr
n .08277595782808114 6.3154e-09 deg/d
Q 5.414682277940535 2.7541e-07 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6438 days (17.63 yr)  
   first obs. used      2002-02-07  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .639  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:07:24  

Additional Information
 Earth MOID = 4.02201 au 
 Jupiter MOID = .419996 au 
 T_jup = 2.686 
[ 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 13.3   n/a MPO434462  

393474 (2002 EQ161)          Discovered 2002-Mar-06 by NEAT at Palomar
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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