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Skynet 4B
Decommissioned British military communications satellite. Skynet 4B was launched on December 11, 1988 aboard a Ariane 44LP from Kourou. Latest status in GCAT: in orbit.
COSPAR 1988-109ANORAD 19687United Kingdom
Identity
- Name in GCAT
- Skynet 4B
- International designator
- 1988-109A
- NORAD catalog number
- 19687
- GCAT identifier
- S19687
- UN registration
- ST/SG/SER.E/214
Mission
- Mission type
- Communications
- Use
- Defense
- Program
- Skynet
- Owner
- UK MoD
- Country
- United Kingdom
- Builder
- British Aerospace
- Platform (bus)
- ECS
Launch
- Date
- December 11, 1988 · 00:33 UTC
- Launch record
- 1988-109Success
- Rocket
- Ariane 44LP
- Spaceport
- Kourou · pad ELA2
Orbit and fate
- Orbit class (GCAT)
- GEO/S
- Perigee
- 35,777 km
- Apogee
- 35,795 km
- Inclination
- 3.00°
- Status
- In orbit
- Last known active
- June 1998
- End of operations
- June 1998
Size
- Mass
- 767 kg
- Dry mass
- 655 kg
- Total mass with attached objects
- 1,433 kg
- Length
- 2.1 m
- Diameter
- 1.90 m
- Span
- 16.0 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q16943246 (CC0).