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// missile early warning · 1984

DSP 11

American missile launch warning satellite launched in 1984. DSP 11 was launched on April 14, 1984 aboard a Titan 34D/Transtage from Cape Canaveral & Kennedy. Latest status in GCAT: in orbit.

COSPAR 1984-037ANORAD 14930United States

Identity

Name in GCAT
DSP F11
Common name
DSP 11
Payload designation
DSP 12
Other names
OPS 7641
International designator
1984-037A
NORAD catalog number
14930
GCAT identifier
S14930
UN registration
ST/SG/SER.E/107

Mission

Mission type
Missile early warning
Use
Defense
Program
DSP MP
Owner
USAF SD
Country
United States
Builder
TRW Inc.
Platform (bus)
DSP MOS/PIM

Launch

Date
April 14, 1984 · 16:52 UTC
Launch record
1984-037Success
Spaceport
Cape Canaveral & Kennedy · pad LC40

Orbit and fate

Orbit class (GCAT)
GEO/S
Perigee
35,780 km
Apogee
35,800 km
Inclination
1.00°
Status
In orbit
Last known active
1991
End of operations
1991

Size

Mass
1,180 kg
Dry mass
1,050 kg
Length
7.0 m
Diameter
2.80 m
Span
7.7 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q113172567 (CC0).