Microsat 2

U.S. experimental communications satellite. Microsat 2 was launched on July 17, 1991 aboard a Pegasus/HAPS from Edwards AFB. Latest status in GCAT: reentered (orbital decay) (Jan 23, 1992).

COSPAR 1991-051BNORAD 21581United States

Identity

Name in GCAT: Microsat 2
International designator: 1991-051B
NORAD catalog number: 21581
GCAT identifier: S21581
UN registration: ST/SG/SER.E/258

Mission

Mission type: Communications
Use: Defense
Program: DARPA Light
Owner: DARPA
Country: United States
Builder: Defense Systems Inc
Platform (bus): Picostar

Launch

Date: July 17, 1991 · 17:33 UTC
Launch record: 1991-051Failure · 0.4
Rocket: Pegasus/HAPS
Spaceport: Edwards AFB · pad RW04/22

Orbit and fate

Orbit class (GCAT): LLEO/I
Perigee: 348 km
Apogee: 431 km
Inclination: 82.03°
Status: Reentered (orbital decay)
Status date: January 23, 1992
Last known active: January 1992
End of operations: January 1992

Size

Mass: 21 kg
Dry mass: 19 kg
Length: 0.2 m
Diameter: 0.50 m
Span: 0.5 m

Launched together

Microsat 1Communications · DARPA Microsat 3Communications · DARPA Microsat 4Communications · DARPA Microsat 5Communications · DARPA Microsat 6Communications · DARPA Microsat 7Communications · DARPA

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q111499754 (CC0).