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392690 (2011 WW42)
Classification: Jupiter Trojan          SPK-ID: 2392690
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05118051967774504 9.9757e-08  
a 5.215885521141453 5.181e-07 au
q 4.948933789589807 6.1384e-07 au
i 11.19085685070597 9.3765e-06 deg
node 254.18527592593 5.9247e-05 deg
peri 202.5672797635614 0.00021048 deg
M 234.4170273686872 0.00022129 deg
tp 2460518.314723288270
(2024-Jul-26.81472329)
0.0028798 TDB
period 4351.014225375445
11.91
0.00064829
1.775e-06
d
yr
n .08273932957986042 1.2328e-08 deg/d
Q 5.482837252693098 5.4462e-07 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      1999-12-27  
   last obs. used      2019-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .647  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:08  

Additional Information
 Earth MOID = 3.96855 au 
 Jupiter MOID = .119845 au 
 T_jup = 2.959 
[ 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 MPO427954  

392690 (2011 WW42)          Discovered 2010-Oct-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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