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Discoverer 18
Reconnaissance satellite. Discoverer 18 was launched on December 7, 1960 aboard a Thor Agena B from Vandenberg. Latest status in GCAT: reentered attached to another object (Apr 2, 1961).
COSPAR 1960 SIGNORAD 67United States
Identity
- Name in GCAT
- Discoverer 18
- Payload designation
- CORONA C'-3
- Other names
- :C,:CC,NRO Mission 9013:CM,CORONA 18:CA
- International designator
- 1960 SIG
- NORAD catalog number
- 67
- GCAT identifier
- S00067
Mission
- Mission type
- Optical imaging
- Use
- Defense
- Program
- CORONA Early
- Owner
- USAF BMD
- Country
- United States
- Builder
- Lockheed Missiles and Space Division
- Platform (bus)
- CORONA
Launch
- Date
- December 7, 1960 · 20:20 UTC
- Launch record
- 1960 SIGSuccess
- Rocket
- Thor Agena B
- Spaceport
- Vandenberg · pad 75-3-4
Orbit and fate
- Orbit class (GCAT)
- LLEO/I
- Perigee
- 272 km
- Apogee
- 536 km
- Inclination
- 81.48°
- Status
- Reentered attached to another object
- Status date
- April 2, 1961
- Last known active
- Dec 10, 1960
- End of operations
- Dec 10, 1960
Size
- Mass
- 130 kg
- Dry mass
- 130 kg
- Total mass with attached objects
- 1,040 kg
- Length
- 1.3 m
- Diameter
- 1.50 m
- Span
- 1.5 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q81861 (CC0).