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// communications · 1990

GSTAR 4

GSTAR 4 was launched on November 20, 1990 aboard a Ariane 42P from Kourou. Latest status in GCAT: in orbit.

COSPAR 1990-100BNORAD 20946United States

Identity

Name in GCAT
Gstar 4
Common name
GSTAR 4
International designator
1990-100B
NORAD catalog number
20946
GCAT identifier
S20946
UN registration
ST/SG/SER.E/258

Mission

Mission type
Communications
Use
Commercial
Program
Gstar
Owner
GTE
Country
United States
Builder
GE Astro Space, East Windsor
Platform (bus)
AS3000

Launch

Date
November 20, 1990 · 23:11 UTC
Launch record
1990-100Success
Spaceport
Kourou · pad ELA2

Orbit and fate

Orbit class (GCAT)
GEO/S
Perigee
35,782 km
Apogee
35,790 km
Inclination
0.04°
Status
In orbit
Last known active
Feb 2, 2004
End of operations
Feb 2, 2004

Size

Mass
665 kg
Dry mass
510 kg
Total mass with attached objects
1,295 kg
Length
2.8 m
Diameter
1.30 m
Span
15.3 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q16943257 (CC0).