missions

TopSat

TopSat was a UK high-resolution optical imaging microsatellite demonstration mission under the Mosaic programme.^[1]^[2] It launched on 2005-10-27 UTC from Plesetsk on Kosmos-3M and operated in Sun-synchronous low Earth orbit at about 682-707 km and 98.18 degrees inclination.^[3]^[2] The mission used a small-satellite platform and carried the TopSat high-resolution optical camera.^[1] The camera provided 2.5 m panchromatic pixels, 5 m colour imagery, and a 25 km swath from a 600 km orbit.^[1] TopSat produced high-resolution optical imagery before mission end in 2008.^[1]^[2]

Supply chain position

built on platform SSTL-100 bus

operated by UK Space Agency

launched on Roscosmos Kosmos 3m

related to Roscosmos Kosmos 3m

related to Disaster damage assessment

related to Urban change

related to Land cover change

Sources

[1]RAL Space TopSat project pageagency doc2026-06-21
[2]TopSat Wikipedia articlecommunity2026-06-21
[3]CelesTrak SATCAT 2005-043 launch groupagency doc2026-06-21

Cite https://eo-atlas.org/missions/topsat Markdown twin → Field definitions → Suggest a correction →

How to cite this page

Plain text

TopSat. EO-Atlas, SpectraWorks B.V. https://eo-atlas.org/missions/topsat (CC BY 4.0)

BibTeX

@misc{eoatlas:missions:topsat,
  title = {TopSat},
  author = {{EO-Atlas}},
  publisher = {SpectraWorks B.V.},
  note = {CC BY 4.0},
  url = {https://eo-atlas.org/missions/topsat}
}