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JPL Small-Body Database Browser
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390189 (2012 WV20)
Classification: Main-belt Asteroid          SPK-ID: 2390189
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806731193454223 7.1414e-08  
a 2.200765672530153 2.0334e-08 au
q 1.803146473525804 1.662e-07 au
i 2.395120098728333 7.3285e-06 deg
node 352.23231766609 0.00010092 deg
peri 346.4730930041594 0.00010285 deg
M 52.50056272418437 1.6088e-05 deg
tp 2458426.591587992543
(2018-Nov-04.09158799)
5.3108e-05 TDB
period 1192.502043294185
3.26
1.6527e-05
4.525e-08
d
yr
n .3018862751845111 4.1838e-09 deg/d
Q 2.598384871534501 2.4007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5842 days (15.99 yr)  
   first obs. used      2002-10-03  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:04:40  

Additional Information
 Earth MOID = .793379 au 
 Jupiter MOID = 2.77631 au 
 T_jup = 3.643 
[ 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 17.8   n/a MPO413427  

390189 (2012 WV20)          Discovered 2002-Oct-03 by LINEAR at Socorro
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 WV20 = 2002 TM194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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