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ESA UNCLASSIFIED - Releasable to the Public ESA Environmental Report on Space Debris Mitigation Francesca Letizia 19/09/2019

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Page 1: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public

ESA Environmental Report on Space Debris Mitigation

Francesca Letizia

19/09/2019

Page 2: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 2

State of the environment

ESA Environment Reporthttps://www.sdo.esoc.esa.int/environment_report/Space_Environment_Report_latest.pdf

Fengyun 1CASAT

Cosmos-Iridiumcollision

Improved sensor capabilities

https://www.sdo.esoc.esa.int/environment_report/Space_Environment_Report_latest.pdf
Page 3: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 3

A changing environment

IridiumGlobalstar

Iridium NextFlockSpire

Page 4: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 4

Fragmentation events Number of reported fragments

PropulsionElectrical

Page 5: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 5

Post-Mission-Disposal efforts

Disposal attempt rate for non-naturally compliant objects

Page 6: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 6

Effectiveness of mitigation measures

Extrapolation of our current behaviour

100% Passivation

100% Passivation + 90% Post Mission Disposal

100% Passivation + 90% Post Mission Disposal+ ADR (5 objects/year)

Page 7: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 7

Collision avoidance

Close approaches for ESA missions at low altitude LEO

Page 8: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 8

Trackability & identification

Page 9: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 9

Towards environment impact assessment

Page 10: Space Debris - ESA Environmental Report 2019...• Space Debris Mitigation requires a level playing field to achieve long-term stability. How are we sure that this is reflected in

ESA UNCLASSIFIED - Releasable to the Public Francesca Letizia | ESOC | 19/09/2019 | Slide 10

Final remarks

• Space Debris Mitigation requires a level playing field to achieve long-term

stability. How are we sure that this is reflected in static standards and licensing?

• How can guidelines evolve to ensure a more sustainable use of space? Which

are the priorities from an operator perspective? How can better-than-required

behaviour can be reflected?

• What is the most effective way to tackle short-term aspects?

• How far can one go when asking transparency to operators? Should new formal

requirements be introduced to promote data sharing and transparency?

ESA Environment Reporthttps://www.sdo.esoc.esa.int/environment_report/Space_Environment_Report_latest.pdf

https://www.sdo.esoc.esa.int/environment_report/Space_Environment_Report_latest.pdf

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Space Debris: Future Challenges Dr Hugh Lewis · Five challenges (C’s) of space debris clean -up: • Compliance with debris mitigation guidelines. • Consensus on active debris

RT Space Elevator Space Debris 22June 10...Space Elevator Survivability – Space Debris Mitigation Draft 22 June 2010 International Space Elevator Consortium Fall 2010 Notice: This

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