Figure L. Approximate measured debris flux in low Earth orbit. by obiect size Cross-sectional flux of a given size and larger SSN catan flux, 400 km Haystack flux, 350-600 k 1.0E+4 ◆ LDEF IDE,300400km HST impacts(Drolshagen), 500 km 0E+0 Space Flyer Unit, 480 km o Godstone radar. 300-600 km 10E-2 SMM holes x SMM craters 500-570 km 10E-4 EURECA impacts(Drolshagen). 500km 10E-8 0000010000100010.0 1000 Diameter (cm)