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JPL Small-Body Database Browser
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392950 (2012 WK18)
Classification: Main-belt Asteroid          SPK-ID: 2392950
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992855453764416 7.0534e-08  
a 2.61417133713071 2.4412e-08 au
q 2.093204776503155 1.9287e-07 au
i 2.990286525179336 1.1363e-05 deg
node 31.39009664518997 0.00010763 deg
peri 50.34868931692422 0.00011195 deg
M 173.9910220693237 3.0261e-05 deg
tp 2457854.353960322703
(2017-Apr-10.85396032)
0.00012435 TDB
period 1543.830084386784
4.23
2.1626e-05
5.921e-08
d
yr
n .2331862836725284 3.2664e-09 deg/d
Q 3.135137897758264 2.9277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      9119 days (24.97 yr)  
   first obs. used      1993-04-26  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:32:37  

Additional Information
 Earth MOID = 1.11045 au 
 Jupiter MOID = 2.11745 au 
 T_jup = 3.378 
[ 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 MPO440696  

392950 (2012 WK18)          Discovered 2005-Feb-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 WK18 = 2005 CT74 = 2009 AW15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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