Alouette 2

Alouette 2 (ISIS-X)
Launch of the Thor SLV-2 Agena B rocket with Alouette 2 satellite.
Mission typeIonospheric research
OperatorDRDC
COSPAR ID1965-098A
SATCAT no.1804
Mission durationFinal: 9 years and 8 months
Spacecraft properties
ManufacturerRCA Victor
Launch mass146.5 kilograms (323 lb)
Start of mission
Launch date29 November 1965, 04:48 (1965-11-29UTC04:48Z) UTC
RocketThor SLV-2 Agena-B
Launch siteVandenberg LC-75-1-1
End of mission
Deactivated1 August 1975 (1975-09)
Orbital parameters
Reference systemGeocentric
RegimeMedium Earth
Perigee altitude508 kilometres (316 mi)
Apogee altitude2,652 kilometres (1,648 mi)
Inclination79.8 degrees
Period117.61 minutes
Epoch5 December 2013, 13:24:44 UTC

Alouette 2 was a Canadian research satellite launched at 04:48 UTC on November 29, 1965, by a Thor Agena rocket with Explorer 31 from the Western test range at Vandenberg AFB in California. It was — like its predecessor Alouette 1, and Explorer 31) — designed to explore the ionosphere.