Very few asteroids will have lightcurve variations (amplitude) that are visible with the naked eye. Most amplitudes are < 0.5 mag and most of our binary targets are < 0.2 mag. Also, shape modelling requires a few curves - onecurve doesn't tell you a great deal about shape.
To get started, find a short period target that has already been done and see how you fare with your results. Data on previously covered targets is always useful for spin axis determination and shape modelling so covering 'known' targets is never a waste of time.
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