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JPL Small-Body Database Browser
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390201 (2012 WZ31)
Classification: Main-belt Asteroid          SPK-ID: 2390201
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06918767205807237 7.2844e-08  
a 3.090736224690428 6.4819e-08 au
q 2.876895380358542 2.4513e-07 au
i 6.523997411846915 9.0792e-06 deg
node 212.7348343302194 6.7845e-05 deg
peri 286.2484000399234 9.3901e-05 deg
M 1.591518331743901 6.4401e-05 deg
tp 2458591.725942324150
(2019-Apr-18.22594232)
0.00035507 TDB
period 1984.683870932715
5.43
6.2435e-05
1.709e-07
d
yr
n .1813890893519559 5.7062e-09 deg/d
Q 3.304577069022314 6.9304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      4521 days (12.38 yr)  
   first obs. used      2006-09-26  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61694  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:56:31  

Additional Information
 Earth MOID = 1.89903 au 
 Jupiter MOID = 1.74771 au 
 T_jup = 3.211 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO427945  

390201 (2012 WZ31)          Discovered 2006-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 WZ31 = 2006 SX256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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