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JPL Small-Body Database Browser
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434642 (2005 WJ186)
Classification: Main-belt Asteroid          SPK-ID: 2434642
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462012330930291 6.9206e-08  
a 2.623546797971476 2.7475e-08 au
q 2.239981021030778 1.7498e-07 au
i 10.78230457714597 5.9015e-06 deg
node 117.6409914738492 4.4251e-05 deg
peri 36.66562159672431 5.2014e-05 deg
M 22.81087279662801 2.865e-05 deg
tp 2458502.150750106968
(2019-Jan-18.65075011)
0.00012278 TDB
period 1552.142711817909
4.25
2.4382e-05
6.675e-08
d
yr
n .231937435429735 3.6435e-09 deg/d
Q 3.007112574912174 3.1492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      4871 days (13.34 yr)  
   first obs. used      2005-11-29  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63337  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:16:15  

Additional Information
 Earth MOID = 1.26153 au 
 Jupiter MOID = 2.03069 au 
 T_jup = 3.363 
[ 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 17.2   n/a MPO428052  

434642 (2005 WJ186)          Discovered 2005-Nov-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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