Skip to content
79,433 pages · 13,741 images · since 1994 Browse A–Z Today in space history
Encyclopedia Astronautica The full story of spaceflight
Encyclopedia entry

Most

Spacecraft · Canada

Original archive entry. The text, images and links below are kept as they were written.

Most
Most
Credit: Manufacturer Image

Canadian visible astronomy satellite. MOST was a suitcase-sized microsatellite designed to probe stars and extrasolar planets by measuring tiny light variations undetectable from Earth. Astronomy satellite built by Dynacon Enterprises Ltd. for CSA, Canada. Launched 2003.

This was done with a small telescope (15 cm aperture) using new Canadian attitude control technology. The satellite was also equipped with an amateur radio payload.

More at: Most.

Country
Canada
Launch Vehicles
UR-100N, Rokot
Agency
CSA, Dynacon
Bibliography
2, 12856

Chronology

1 event

2003 June 30

Launch Site: Plesetsk. Launch Complex: Plesetsk LC133/3. LV Family: UR-100N. Launch Vehicle: Rokot.
  • Most - . Mass: 66 kg (145 lb). Nation: Canada. Agency: CSA. Class: Astronomy. Type: Astroseismology satellite. Spacecraft: Most. USAF Sat Cat: 27843 . COSPAR: 2003-031D. Apogee: 834 km (518 mi). Perigee: 818 km (508 mi). Inclination: 98.70 deg. Period: 101.40 min.

    MOST (Microvariability and Oscillations of Stars) was a Canadian Space Agency project with a 0.15m telescope which would make photometric observations of stars down to mag 6 with 1 part per million accuracy in the 3500-7000 Angstrom band. Canada's tiny "humble space telescope", celebrated its tenth anniversary of operations in 2013.