ation ▁standards , ▁and ▁ident ifies ▁it ▁as ▁" an ▁upper ▁limit ▁for ▁the ▁amount ▁of ▁time ▁that ▁a ▁space ▁system ▁shall ▁remain ▁in ▁orbit ▁after ▁its ▁mission ▁is ▁completed . ▁Ide ally , ▁the ▁time ▁to ▁de or bit ▁should ▁be ▁as ▁short ▁as ▁possible ▁( i . e . ▁much ▁shorter ▁than ▁ 2 5 ▁years ) ". ▁ ▁Hol ger ▁K rag ▁of ▁the ▁European ▁Space ▁Agency ▁states ▁that ▁as ▁of ▁ 2 0 1 7 ▁there ▁is ▁no ▁binding ▁international ▁regul atory ▁framework ▁with ▁no ▁progress ▁occurr ing ▁at ▁the ▁respective ▁UN ▁body ▁in ▁Vienna . ▁ ▁In ▁popular ▁culture ▁ ▁The ▁plot ▁of ▁episode ▁ 4 ▁(" Conf lict ") ▁of ▁Ger ry ▁Anderson ' s ▁ 1 9 7 0 ▁TV ▁series ▁U FO ▁includes ▁routine ▁miss ions ▁for ▁the ▁dispos al ▁of ▁spent ▁sat ell ites ▁by ▁bomb ing . ▁ ▁Salv age ▁ 1 ▁( 1 9 7 9 ▁TV ▁series ) ▁de als ▁humor ously ▁with ▁a ▁sc rap ▁deal er ▁who ▁establish ▁a ▁space ▁j unk ▁salv age ▁company . ▁ ▁Plan etes ▁is ▁a ▁m anga ▁( 1 9 9 9 - 2 0 0 4 ) ▁and ▁an ime ▁series ▁( 2 0 0 3 - 2 0 0 4 ) ▁that ▁gives ▁focus ▁on ▁a ▁team ▁which ▁is ▁responsible ▁for ▁the ▁collection ▁and ▁dispos al ▁of ▁space ▁de br is . ▁The ▁DVD s ▁for ▁the ▁TV ▁series ▁include ▁inter views ▁with ▁NASA ' s ▁Or b ital ▁Deb ris