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JPL Small-Body Database Browser
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201800 (2003 WM189)
Classification: Main-belt Asteroid          SPK-ID: 2201800
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383833127434462 7.7483e-08  
a 2.98575453993472 2.8581e-08 au
q 2.274000481666297 2.338e-07 au
i 18.36120520653754 8.1329e-06 deg
node 149.0252249518578 1.6929e-05 deg
peri 184.7616668367768 2.2278e-05 deg
M 48.93969885905195 1.0833e-05 deg
tp 2458344.324040935090
(2018-Aug-13.82404093)
5.7659e-05 TDB
period 1884.428131218666
5.16
2.7058e-05
7.408e-08
d
yr
n .1910393896355107 2.7431e-09 deg/d
Q 3.697508598203142 3.5394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      7350 days (20.12 yr)  
   first obs. used      1998-09-25  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54106  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:19:24  

Additional Information
 Earth MOID = 1.26319 au 
 Jupiter MOID = 1.68924 au 
 T_jup = 3.139 
[ 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 15.2   n/a MPO367306  

201800 (2003 WM189)          Discovered 2003-Nov-20 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 WM189 = 2002 LS62 = 2008 SJ226 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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