The critical density theory in LEO as analyzed by EVOLVE 4.0

Details The critical density theory in LEO as analyzed by EVOLVE 4.0 The critical density theory in LEO as analyzed by EVOLVE 4.0

Oct 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.473..273k&link_type=abstract

In: Proceedings of the Third European Conference on Space Debris, 19 - 21 March 2001, Darmstadt, Germany. Ed.: Huguette Sawaya-L

Computer Science

Space Debris, Critical Density

Scientific paper

The critical density theory is revisited with NASA's long-term debris environment model, EVOLVE 4.0. Previous studies were based on incomplete data and simplifying assumptions. Recent data of ground-test and on-orbit breakups and fragment decay have been utilized within the EVOLVE 4.0 structure to realistically model the projected low Earth orbit (LEO) debris environment. The EVOLVE 4.0 predictions over a 1000-year time period are shown to be consistent with the earlier predictions of simpler models; however, EVOLVE 4.0 is shown to be able to eliminate the simplifying assumptions in these earlier models and be a more accurate tool in understanding the most effective migration measures to limit future population growth.

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