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JPL Small-Body Database Browser
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344757 (2003 WK20)
Classification: Main-belt Asteroid          SPK-ID: 2344757
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884273295801164 8.0331e-08  
a 2.77000241561348 4.9679e-08 au
q 2.24805825750896 2.3368e-07 au
i 13.83453137342491 9.7728e-06 deg
node 37.76815130152141 2.5864e-05 deg
peri 17.47046505854306 3.715e-05 deg
M 127.1502050569256 3.4214e-05 deg
tp 2458005.751695401953
(2017-Sep-09.25169540)
0.00014714 TDB
period 1683.909118034369
4.61
4.53e-05
1.24e-07
d
yr
n .213788259796484 5.7513e-09 deg/d
Q 3.291946573718 5.904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5694 days (15.59 yr)  
   first obs. used      2003-10-25  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:07  

Additional Information
 Earth MOID = 1.26201 au 
 Jupiter MOID = 2.12857 au 
 T_jup = 3.270 
[ 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 16.2   n/a MPO434169  

344757 (2003 WK20)          Discovered 2003-Oct-25 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 WK20 = 2012 RH28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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