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// meteorology · 1974

NOAA-4

Weather satellite operated by NOAA. NOAA-4 was launched on November 15, 1974 aboard a Delta 2310 from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1974-089ANORAD 7529United States

Identity

Name in GCAT
NOAA 4
Common name
NOAA-4
Payload designation
ITOS G
International designator
1974-089A
NORAD catalog number
7529
GCAT identifier
S07529
UN registration
A/AC.105/INF.310

Mission

Mission type
Meteorology
Use
Civil government
Program
ITOS
Owner
NOAA
Country
United States
Builder
RCA Astro Electronics (Astro Space)
Platform (bus)
Tiros M

Launch

Date
November 15, 1974 · 17:11 UTC
Launch record
1974-089Success
Spaceport
Vandenberg · pad SLC2W

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
1,445 km
Apogee
1,460 km
Inclination
101.74°
Status
In orbit
Last known active
Nov 18, 1978
End of operations
Nov 18, 1978

Size

Mass
345 kg
Dry mass
345 kg
Length
1.2 m
Diameter
1.00 m
Span
4.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q6954806 (CC0).