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437213 (2012 WB15)
Classification: Main-belt Asteroid          SPK-ID: 2437213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2123731863829218 1.7519e-07  
a 2.55004035950567 3.4424e-08 au
q 2.008480162952399 4.6839e-07 au
i 5.145677875187727 9.8189e-06 deg
node 99.38261563344095 0.00013034 deg
peri 257.6856247130765 0.00014353 deg
M 351.0421129629106 6.4251e-05 deg
tp 2459037.510255964592
(2020-Jul-07.01025596)
0.00026485 TDB
period 1487.369967056693
4.07
3.0118e-05
8.246e-08
d
yr
n .242037964980826 4.901e-09 deg/d
Q 3.09160055605894 4.1735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5798 days (15.87 yr)  
   first obs. used      2004-12-09  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:40:42  

Additional Information
 Earth MOID = 1.01186 au 
 Jupiter MOID = 2.36891 au 
 T_jup = 3.403 
[ 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 17.1   n/a MPO397544  

437213 (2012 WB15)          Discovered 2004-Dec-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2012 WB15 = 2004 XX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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