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JPL Small-Body Database Browser
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442756 (2012 WX31)
Classification: Main-belt Asteroid          SPK-ID: 2442756
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1074511451225331 5.7858e-08  
a 2.316823808802613 3.043e-08 au
q 2.067878437499624 1.3446e-07 au
i 8.349865947133429 6.3878e-06 deg
node 255.8273886259386 6.7282e-05 deg
peri 169.2953872194967 8.2371e-05 deg
M 297.8092209025957 4.8893e-05 deg
tp 2458823.016097642126
(2019-Dec-05.51609764)
0.00017645 TDB
period 1288.065470697871
3.53
2.5377e-05
6.948e-08
d
yr
n .2794888988095867 5.5063e-09 deg/d
Q 2.565769180105602 3.3699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5054 days (13.84 yr)  
   first obs. used      2005-11-26  
   last obs. used      2019-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:01:47  

Additional Information
 Earth MOID = 1.08202 au 
 Jupiter MOID = 2.69892 au 
 T_jup = 3.559 
[ 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 17.3   n/a MPO349192  

442756 (2012 WX31)          Discovered 2005-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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