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// space science · 1968

ESRO-2B

Research satellite. ESRO-2B was launched on May 17, 1968 aboard a Scout B from Vandenberg. Latest status in GCAT: reentered (orbital decay) (May 8, 1971).

COSPAR 1968-041ANORAD 3233European Space Research Organisation

Identity

Name in GCAT
ESRO IIB
Common name
ESRO-2B
Payload designation
ESRO 2B
Other names
Iris
International designator
1968-041A
NORAD catalog number
3233
GCAT identifier
S03233
UN registration
A/AC.105/INF.207

Mission

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

Launch

Date
May 17, 1968 · 02:06 UTC
Launch record
1968-041Success
Rocket
Scout B
Spaceport
Vandenberg · pad SLC5

Orbit and fate

Orbit class (GCAT)
LEO/S
Perigee
329 km
Apogee
1,075 km
Inclination
97.20°
Status
Reentered (orbital decay)
Status date
May 8, 1971
Last known active
May 1971
End of operations
May 1971

Size

Mass
74 kg
Dry mass
74 kg
Length
0.9 m
Diameter
0.80 m
Span
0.9 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q2944742 (CC0).