// technology · 1990
TEX
The US Military's STACKSAT mission involved the launch of three similar spacecraft (POGS, TEX, and SCE) on the same booster.. TEX was launched on April 11, 1990 aboard a Atlas E Altair from Vandenberg. Latest status in GCAT: in orbit.
COSPAR 1990-031BNORAD 20561United States
Identity
- Name in GCAT
- TEX
- Other names
- USA 57:U,STP P87-2:PN
- International designator
- 1990-031B
- NORAD catalog number
- 20561
- GCAT identifier
- S20561
- UN registration
- ST/SG/SER.E/688
Mission
- Mission type
- Technology
- Use
- Defense
- Program
- STP1
- Owner
- USAF SSD
- Country
- United States
- Builder
- Defense Systems Inc
- Platform (bus)
- Ministar
Launch
- Date
- April 11, 1990 · 15:00 UTC
- Launch record
- 1990-031Success
- Rocket
- Atlas E Altair
- Spaceport
- Vandenberg · pad SLC3W
Orbit and fate
- Orbit class (GCAT)
- LEO/P
- Perigee
- 627 km
- Apogee
- 742 km
- Inclination
- 89.82°
- Status
- In orbit
- Last known active
- 1991
- End of operations
- Apr 11, 1995
Size
- Mass
- 67 kg
- Dry mass
- 67 kg
- Length
- 0.4 m
- Diameter
- 0.60 m
- Span
- 6.1 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q113275650 (CC0).