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JPL Small-Body Database Browser
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392958 (2012 WK28)
Classification: Main-belt Asteroid          SPK-ID: 2392958
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 .179068831129021 1.0182e-07  
a 2.145422324369951 3.0875e-08 au
q 1.761244056466916 2.3799e-07 au
i 2.698469656961573 6.508e-06 deg
node 231.8726871553694 0.00011759 deg
peri 120.1043619155003 0.00012006 deg
M 69.59416989272304 1.8324e-05 deg
tp 2458378.609873264778
(2018-Sep-17.10987327)
6.1738e-05 TDB
period 1147.8036988991
3.14
2.4777e-05
6.784e-08
d
yr
n .3136424811536058 6.7704e-09 deg/d
Q 2.529600592272985 3.6403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      4422 days (12.11 yr)  
   first obs. used      2006-12-13  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:55:28  

Additional Information
 Earth MOID = .756791 au 
 Jupiter MOID = 2.90125 au 
 T_jup = 3.687 
[ 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 17.8   n/a MPO455788  

392958 (2012 WK28)          Discovered 2006-Dec-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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