ERS-1

NORAD 21574· COSPAR 1991-050A· Active satellite· Other / Unclassified· SSO

Launch

Launched on Jul 17, 1991 from Ariane Launch Area 2, French Guiana aboard a Ariane 40.

Live · TLE epoch 2026-07-13 15:31 UTC

Orbit class

SSO — Sun-Synchronous (LEO at 96–102° inclination)

Operator

ESA Centre for Earth Observation

Country

European Space Agency

Manufacturer

DASA

Launched

Jul 17, 1991

Mass

2,384 kg

Apogee

787 km

Perigee

742 km

Inclination

98.78°

Period

1.67 h

Related satellites

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