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USA 81
American SIGINT satellite. USA 81 was launched on April 25, 1992 aboard a Titan II SLV from Vandenberg. Latest status in GCAT: in orbit.
COSPAR 1992-023ANORAD 21949United States
Identity
- Name in GCAT
- USA 81
- Payload designation
- P-11 No. 5105
- Other names
- NRO Mission 7350?,FARRAH V?
- International designator
- 1992-023A
- NORAD catalog number
- 21949
- GCAT identifier
- S21949
- UN registration
- ST/SG/SER.E/258
Mission
- Mission type
- Signals intelligence
- Use
- Defense
- Program
- T2-SIG
- Owner
- NRO
- Country
- United States
- Builder
- Lockheed Missiles and Space Co.
- Platform (bus)
- NRO-T2
Launch
- Date
- April 25, 1992 · 08:53 UTC
- Launch record
- 1992-023Success
- Rocket
- Titan II SLV
- Spaceport
- Vandenberg · pad SLC4W
Orbit and fate
- Orbit class (GCAT)
- LEO/P
- Perigee
- 791 km
- Apogee
- 797 km
- Inclination
- 85.02°
- Status
- In orbit
- Last known active
- Dec 21, 2019
- End of operations
- 2005
Size
- Mass
- 1,450 kg
- Dry mass
- 1,200 kg
- Length
- 0.5 m
- Diameter
- 1.00 m
- Span
- 10.0 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q111499477 (CC0).