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Fig. 4

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Decreasing cumulative distribution of diameters of known NEAs in 2001 (1649 objects, green dots) and in 2010 (7078 objects, black dots). Solid lines are best fits of q-exponentials (N ≥ (D) = Mexpq(−βqD)). Blue line (2001): q = 1.3, βq = 1.5 km-1, M = 1649, red line (2010): q = 1.3, βq = 3 km-1, M = 7078. Normal exponentials (q = 1) are displayed in the main panel for comparison (dashed violet, with β1 = 1.5 km-1, M = 1649, and dot-dashed magenta, with β1 = 3 km-1, M = 7078).

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