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// meteorology · 1973

DMSP 5B/F4

Meteorological satellites. DMSP 5B/F4 was launched on August 17, 1973 aboard a Thor Burner 2A from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1973-054ANORAD 6787United States

Identity

Name in GCAT
DMSP 7529
Common name
DMSP 5B/F4
Payload designation
DMSP Block 5B F-4
Other names
SAP 7:P
International designator
1973-054A
NORAD catalog number
6787
GCAT identifier
S06787
UN registration
A/AC.105/INF.282

Mission

Mission type
Meteorology
Use
Defense
Program
DMSP 5B
Owner
SAMSO
Country
United States
Builder
RCA Astro Electronics (Astro Space)
Platform (bus)
DMSP Block 5B

Launch

Date
August 17, 1973 · 04:49 UTC
Launch record
1973-054Success
Spaceport
Vandenberg · pad SLC10W

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
807 km
Apogee
852 km
Inclination
98.84°
Status
In orbit
Last known active
Apr 30, 1977
End of operations
Apr 30, 1977

Size

Mass
192 kg
Dry mass
192 kg
Length
2.1 m
Diameter
0.80 m
Span
2.1 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q113172056 (CC0).