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437196 (2012 WK1)
Classification: Main-belt Asteroid          SPK-ID: 2437196
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593280697045926 1.0717e-07  
a 2.549932660190133 3.8479e-08 au
q 2.143656811565342 2.8148e-07 au
i 13.96796730535168 3.2465e-05 deg
node 241.2144137062404 2.1112e-05 deg
peri 96.87707701928427 0.00016097 deg
M 6.316230759364648 0.00014882 deg
tp 2458974.405620049440
(2020-May-04.90562005)
0.00061475 TDB
period 1487.275740879786
4.07
3.3665e-05
9.217e-08
d
yr
n .2420532992671856 5.4789e-09 deg/d
Q 2.956208508814924 4.461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      3929 days (10.76 yr)  
   first obs. used      2008-10-21  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:24  

Additional Information
 Earth MOID = 1.18911 au 
 Jupiter MOID = 2.52239 au 
 T_jup = 3.382 
[ 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 17.7   n/a MPO477049  

437196 (2012 WK1)          Discovered 2008-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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