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JPL Small-Body Database Browser
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392459 (2010 WE20)
Classification: Jupiter Trojan          SPK-ID: 2392459
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05412273561385719 2.2962e-07  
a 5.231705338211158 9.3932e-07 au
q 4.94855113338155 2.0244e-06 au
i 10.16626385816927 1.2472e-05 deg
node 69.90594711390752 7.8288e-05 deg
peri 347.9458874038435 0.00028738 deg
M 297.3651769719727 0.00031724 deg
tp 2459760.960558347537
(2022-Jun-30.46055835)
0.0040388 TDB
period 4370.824211998025
11.97
0.0011771
3.223e-06
d
yr
n .08236432822253312 2.2182e-08 deg/d
Q 5.514859543040767 9.9016e-07 au
  Orbit Determination Parameters
   # obs. used (total)      57  
   data-arc span      3571 days (9.78 yr)  
   first obs. used      2009-09-21  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .60852  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:55  

Additional Information
 Earth MOID = 3.96177 au 
 Jupiter MOID = .0952495 au 
 T_jup = 2.966 
[ 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 14.1   n/a MPO494989  

392459 (2010 WE20)          Discovered 2009-Sep-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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