Abstract. To obtain a statistically reliable sample of minor planets with known rotation axis orientation and axes ratios, a selection of photometric lightcurves sufficiently covered to give the elements needed for applying the computation methods of the rotational elements was made. Using the data reported in the "Amplitude-longitude (A − λ) plot catalogue of asteroids" (Riccioli & Blanco 1995) as a starting point, the amplitude-magnitude (AM ) method (Zappalà et al. 1983a) was adopted. Due to the poor data available, it was possible to apply the (AM ) method only to 30 asteroids. For more than half of these objects no previous determination of pole coordinates and shape exists in the literature.

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