Second Space Capacity Allocation For The Sustainability Of Space Activities Workshop

Session

How to assess the impact of space missions onto the space environment?

5

4 Jun 2026, 09:00

Politecnico di Milano

Description

Covered topics:
- Comparing indices to assess the impact of missions to the space debris environment.

45. The impact of large satellite constellations on astronomy

Piero Benvenuti (International Astronomical Union)

04/06/2026, 09:30

The exponential increase in the population of satellites in Low Earth Orbit is seriously interfering with optical, infrared and radio astronomical observations. The Centre for the Protection of Dark and Quiet Sky, created by the International Astronomical Union in 2022, is actively engaged in discussions with all concerned stakeholders on possible mitigating measures. While the majority of the...

15. Real-time health monitoring for reliable satellite disposal

Enza Magaudda

04/06/2026, 09:45

Post Mission Disposal (PMD) success rates remain well below the levels needed to stabilize the debris population, in both LEO and GEO, and below the thresholds now codified in ISO 24113. Historical analysis of unsuccessful disposal attempts reveals a recurring pattern: spacecraft with sufficient propellant and no single catastrophic failure were nonetheless not disposed of successfully. The...

55. Estimation of the Avoidance Manoeuvre Operational Burden Caused by In-Orbit Fragmentation Events

Juan Felipe Cabrera (Politecnico di Milano)

04/06/2026, 10:00

Given the recent increase in space activity, new interest has been brought on understanding the consequences that in-orbit fragmentations can create to the space environment. In addition to the potential collisions that fragments produced in a breakup could have on the operational population of satellites, it is important to evaluate the increment of operational effort caused by a break-up...

57. Activities on space sustainability within the CNES Ecosystem

Francois Vinet (CNES)

04/06/2026, 10:15

CNES, the French space agency, is actively involved in space sustainability efforts, for example through the development and use of environmental indices. Its unique position—as a regulator (through the French Space Operation Act), an operator (notably as the provider of the CAESAR collision avoidance service for EUSST), and a research actor—enables it to address space sustainability from...

59. COLLISION AVOIDANCE DECISION MAKING BASED ON RISK AND CONSEQUENCE METRICS

Camilla Colombo (Politecnico di Milano), Diego Ramírez Rodríguez, Eduardo Maria Polli (Politecnico di MIlano), Juan Felipe Cabrera (Politecnico di Milano)

04/06/2026, 10:30

The growth of large constellations and the increasing reliance on multiple SSA providers are pushing current conjunction assessment (CA) and collision avoidance (COLA) practices to their limits. In operational CA, decision criteria are still largely driven by geometrical and/or a probability of collision (PoC) thresholds, while neglecting the environmental and economic consequences of a...