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APEX-MAIN
APEX-MAIN was launched on December 18, 1991 aboard a Tsiklon-3 from Plesetsk. Latest status in GCAT: in orbit.
COSPAR 1991-086ANORAD 21819Soviet Union
Identity
- Name in GCAT
- Interkosmos-25
- Common name
- APEX-MAIN
- Payload designation
- AUOS-Z-AP-IK No. 301
- Other names
- Apeks-IK,AUOS-Z No. 510-33-310:RA
- International designator
- 1991-086A
- NORAD catalog number
- 21819
- GCAT identifier
- S21819
- UN registration
- ST/SG/SER.E/253
Mission
- Mission type
- Space science
- Use
- Civil government
- Program
- AUOS
- Owner
- IK
- Country
- Soviet Union
- Builder
- Southern State Design Bureau
- Platform (bus)
- AUOS
Launch
- Date
- December 18, 1991 · 03:54 UTC
- Launch record
- 1991-086Success
- Rocket
- Tsiklon-3
- Spaceport
- Plesetsk · pad LC32/2
Orbit and fate
- Orbit class (GCAT)
- LEO/I
- Perigee
- 437 km
- Apogee
- 3,070 km
- Inclination
- 82.57°
- Status
- In orbit
- Last known active
- 1992
- End of operations
- 1996
Size
- Mass
- 1,266 kg
- Dry mass
- 1,266 kg
- Length
- 2.5 m
- Diameter
- 1.50 m
- Span
- 23.0 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q1541118 (CC0).