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JPL Small-Body Database Browser
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392246 (2009 WW122)
Classification: Jupiter Trojan          SPK-ID: 2392246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04748598021566448 1.7207e-07  
a 5.239564714959057 4.424e-07 au
q 4.990758848565817 1.2689e-06 au
i 5.921150180867218 9.4945e-06 deg
node 71.40763935967644 0.00013473 deg
peri 346.0849319134902 0.0002139 deg
M 290.3713306282824 0.00017593 deg
tp 2459447.779765870124
(2021-Aug-21.27976587)
0.0022022 TDB
period 4380.677075485526
11.99
0.00055482
1.519e-06
d
yr
n .08217907729710935 1.0408e-08 deg/d
Q 5.488370581352296 4.6341e-07 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4012 days (10.98 yr)  
   first obs. used      2008-10-08  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:03:56  

Additional Information
 Earth MOID = 4.00291 au 
 Jupiter MOID = .0461466 au 
 T_jup = 2.987 
[ 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 14.0   n/a MPO455784  

392246 (2009 WW122)          Discovered 2008-Oct-08 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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