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// space science · 1972

ESRO 4

ESRO 4 was launched on November 22, 1972 aboard a Scout D-1 from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Apr 15, 1974).

COSPAR 1972-092ANORAD 6285European Space Research Organisation

Identity

Name in GCAT
ESRO IV
Common name
ESRO 4
Payload designation
ESRO 4
International designator
1972-092A
NORAD catalog number
6285
GCAT identifier
S06285
UN registration
A/AC.105/INF.264

Mission

Mission type
Space science
Use
Civil government
Program
ESRO
Owner
ESRO
Country
European Space Research Organisation
Builder
Hawker Siddeley Dynamics
Platform (bus)
ESRO 2

Launch

Date
November 22, 1972 · 00:17 UTC
Launch record
1972-092Success
Rocket
Scout D-1
Spaceport
Vandenberg · pad SLC5

Orbit and fate

Orbit class (GCAT)
LEO/P
Perigee
240 km
Apogee
1,124 km
Inclination
91.12°
Status
Reentered (orbital decay)
Status date
April 15, 1974
Last known active
Apr 15, 1974
End of operations
Apr 15, 1974

Size

Mass
115 kg
Dry mass
115 kg
Length
0.9 m
Diameter
0.80 m
Span
3.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q3193873 (CC0).