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JPL Small-Body Database Browser
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201797 (2003 WS154)
Classification: Main-belt Asteroid          SPK-ID: 2201797
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283256913190005 4.4737e-08  
a 2.784473770832123 2.0209e-08 au
q 2.148706872147254 1.2364e-07 au
i 1.99190722374779 7.5632e-06 deg
node 46.80580559507344 0.00016062 deg
peri 68.99506906188346 0.00016199 deg
M 80.42332290239369 1.9e-05 deg
tp 2458221.366084392332
(2018-Apr-12.86608439)
8.7618e-05 TDB
period 1697.1222363494
4.65
1.8476e-05
5.058e-08
d
yr
n .2121237894887165 2.3093e-09 deg/d
Q 3.420240669516992 2.4823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6998 days (19.16 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57848  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:14:52  

Additional Information
 Earth MOID = 1.16632 au 
 Jupiter MOID = 1.69481 au 
 T_jup = 3.292 
[ 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 16.4   n/a MPO391043  

201797 (2003 WS154)          Discovered 2003-Nov-26 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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