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// optical imaging · 1981

KH 11-04

Former U.S. reconnaissance satellite. KH 11-04 was launched on September 3, 1981 aboard a Titan IIID from Vandenberg. Latest status in GCAT: deorbited (Nov 23, 1984).

COSPAR 1981-085ANORAD 12799United States

Identity

Name in GCAT
OPS 3984
Common name
KH 11-04
Payload designation
KENNEN 4
Other names
NRO Mission 5504?,KH-11
International designator
1981-085A
NORAD catalog number
12799
GCAT identifier
S12799
UN registration
ST/SG/SER.E/059

Mission

Mission type
Optical imaging
Use
Defense
Program
KH-11
Owner
NRO
Country
United States
Builder
TRW Inc.
Platform (bus)
KH-11

Launch

Date
September 3, 1981 · 18:29 UTC
Launch record
1981-085Success
Spaceport
Vandenberg · pad SLC4E

Orbit and fate

Orbit class (GCAT)
LLEO/S
Perigee
276 km
Apogee
511 km
Inclination
97.00°
Status
Deorbited
Status date
November 23, 1984
Last known active
Nov 23, 1984
End of operations
Nov 23, 1984

Size

Mass
8,556 kg
Dry mass
8,556 kg
Total mass with attached objects
13.5 t
Length
19.0 m
Diameter
3.00 m
Span
30.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q118959566 (CC0).