United States.- A new report from the Office of Technology, Policy and Strategy (OTPS) of NASA Reveals More Cost-Effective Methods to Address Growing Orbital Debris Problemoffering an updated approach that could change the management of this waste in space.
According to the study titled “Cost-benefit analysis of orbital debris mitigation, monitoring and remediation“, risk estimates have been significantly improved, covering from large space debris to millimeter fragments.
Jericho Locke, NASA analyst and lead author of the reportexplains that the study allows direct comparison of various mitigation strategies in economic termsfacilitating the choice of the most cost-effective actions.
“We can compare the shielding of a spaceship tracking smaller debris or removing 50 large fragments versus 50,000 smaller ones,” Locke said.
The report arises as part of the second phase of a project that seeks to understand and mitigate risks associated with orbital debriswhich have increased due to greater activity in Earth orbit.
Charity Weeden, head of the OTPS, highlighted the relevance of this effort in the context of the Spatial Sustainability Strategy recently published by the POT.
“The increase in activities in orbit offers better terrestrial communications to an advanced understanding of our changing climate, but also results in a more congested space environment,” Weeden said.
The study also reviews strategies traditionally considered profitable by the space community, suggesting that some forms of remediation may be as valuable as debris mitigation.
He highlights, for example, that quickly deorbiting extinct spacecraft is an effective method to reduce risks.
Total, analysis compares more than ten different strategies for managing orbital debrisfrom protecting and tracking small debris to remediating larger ones.
In the long term, the team hopes to evaluate the profitability of combinations of different stocks, known as “portfolios,” to provide more robust recommendations to industry leaders. POT and the space community.
The report, which differs from previous studies by directly measuring risks in dollars and simulating how the orbital debris environment will evolve over the next 30 years, is intended to be a valuable tool in managing these challenges.
Additionally, OTPS plans to make public the research code used to foster broader understanding and collaboration in orbital debris management.
The continuation of the work of the OTPS will include not only the continued analysis of orbital debris and its effects, but also the effort to share this knowledge with interested parties, thus moving towards sustainable and effective solutions to maintain safety and cleaning up near-Earth space.
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