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Explorer 39
NASA satellite of the Explorer program. Explorer 39 was launched on August 8, 1968 aboard a Scout B from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Jun 22, 1981).
COSPAR 1968-066ANORAD 3337United States
Identity
- Name in GCAT
- Explorer 39
- Payload designation
- AD-C
- International designator
- 1968-066A
- NORAD catalog number
- 3337
- GCAT identifier
- S03337
- UN registration
- A/AC.105/INF.196
Mission
- Mission type
- Space science
- Use
- Civil government
- Program
- Explorer AD
- Owner
- NASA LaRC
- Country
- United States
- Builder
- G T Schjeldahl Inc.
- Platform (bus)
- 12' Sphere
Launch
- Date
- August 8, 1968 · 20:12 UTC
- Launch record
- 1968-066Success
- Rocket
- Scout B
- Spaceport
- Vandenberg · pad SLC5
Orbit and fate
- Orbit class (GCAT)
- LEO/I
- Perigee
- 684 km
- Apogee
- 2,514 km
- Inclination
- 80.69°
- Status
- Reentered (orbital decay)
- Status date
- June 22, 1981
- Last known active
- June 1971
- End of operations
- June 1971
Size
- Mass
- 16 kg
- Dry mass
- 16 kg
- Length
- 3.7 m
- Diameter
- 3.70 m
- Span
- 3.7 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q49891 (CC0).