地球同步轨道的碎片
地球同步轨道的碎片
太空碎片的数量 平均大小1mm-1cm1cm-10cm>10cm LEO 140,000,000180,000 9,700 总量330,000000560,000 18,000
太空碎片的数量 • 平均大小 1 mm - 1 cm 1 cm - 10 cm > 10 cm • LEO 140,000,000 180,000 9,700 • 总量 330,000,000 560,000 18,000
Space Debris Objects 1mm 0.001 1e-04 1e06 1e-07 1e08 300 1000 10000 GEO Altitude [km
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)
Figure VI. Model values for current spatial density Spatial density(number/km) 10 A≥1mm B≥1cm 104c≥10cm A 105 10 B 10 108 10 02004006 800100012001400160018002000 Altitude( km) Sources: NASA (ORDEM96): DERA (IDES): ESA(MASTER): CNUCE (SDM): and NAZARENKO