Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

NOAA 4

retired

Earth ObservationLEOCOSPAR 1974-089ALaunched 11/15/1974

Mission & Launch

Launch Mission: NOAA 4 Mission
Launch Vehicle: Delta 2310
Launch Date: 11/15/1974
Last Contact: 11/18/1978

Orbit & Mass

Orbit Class: LEO
Altitude: 1,452.5 km
Inclination: 101.74 deg
Dry Mass: 345 kg
Total Mass: 345 kg

Payload Classification

Mission Type: Earth Observation
Payload Category: MET
Payload Class: C

Organizations

Operator: National Oceanic and Atmospheric Administration (NOAA)
Manufacturer: RCA Astro Electronics (Astro Space)

Constellation

Name: NOAA POES / TIROS
Active Satellites: 0

Registry

COSPAR ID: 1974-089A
UN Registration: A/AC.105/INF.310