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// missile early warning · 1966

MIDAS 12

American early-warning satellite. MIDAS 12 was launched on October 5, 1966 aboard a Atlas SLV-3 Agena D from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1966-089ANORAD 2481United States

Identity

Name in GCAT
FTV 1353
Common name
MIDAS 12
Payload designation
Midas RTS-I F3
International designator
1966-089A
NORAD catalog number
2481
GCAT identifier
S02481
UN registration
A/AC.105/INF.152

Mission

Mission type
Missile early warning
Use
Defense
Program
Midas RTS-I
Country
United States
Builder
Lockheed Missiles and Space Co.
Platform (bus)
Midas

Launch

Date
October 5, 1966 · 22:00 UTC
Launch record
1966-089Success
Spaceport
Vandenberg · pad SLC3E

Orbit and fate

Orbit class (GCAT)
MEO
Perigee
3,675 km
Apogee
3,706 km
Inclination
90.19°
Status
In orbit
Last known active
Oct 12, 1967
End of operations
Oct 12, 1967

Size

Mass
1,000 kg
Dry mass
1,000 kg
Total mass with attached objects
2,000 kg
Length
3.0 m
Diameter
1.50 m
Span
3.0 m

Launched together

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q110115348 (CC0).