ISS Risk Mitigation

Mir Environmental Effects Payload (MEEP)


The Mir Environmental Effects Payload (MEEP) was designed to assess the magnitude of molecular contamination in ISS critical exterior surfaces in the space environment and to quantify the performance and degradation rate of candidate and selected ISS exterior surface materials.

Shuttle-Mir Missions
STS-76, NASA-2 - NASA-5, STS-86

The MEEP experiment hardware was launched on STS-76. MEEP is a combination of four separate investigations: Polished Plate Micrometeoroid Debris (PPMD) Collector, Passive Optical Sample Assembly (POSA) 1 AND 2, and the Orbital Debris Collector (ODC). The four experiments placed on the docking module during an U.S. EVA on the STS-76 mission. The MEEP was retrieved during another U.S. EVA on the STS-86 mission after spending 18 months on the exterior of Mir.

See PPMD, POSA-1, POSA-2, and ODC results.

None available at this time.

Principal Investigators
Buck Gay
NASA/Johnson Space Center

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Page last updated: 07/16/1999

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