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Solar Mesosphere Explorer
NASA satellite of the Explorer program. Solar Mesosphere Explorer was launched on October 6, 1981 aboard a Delta 2310 from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Mar 5, 1991).
COSPAR 1981-100ANORAD 12887United States
Identity
- Name in GCAT
- Solar Mesosphere Explorer
- International designator
- 1981-100A
- NORAD catalog number
- 12887
- GCAT identifier
- S12887
- UN registration
- ST/SG/SER.E/059
Mission
- Mission type
- Earth science
- Use
- Civil government
- Program
- DeltaEx
- Owner
- JPL
- Country
- United States
- Builder
- Ball Aerospace
- Platform (bus)
- SME
Launch
- Date
- October 6, 1981 · 11:27 UTC
- Launch record
- 1981-100Success
- Rocket
- Delta 2310
- Spaceport
- Vandenberg · pad SLC2W
Orbit and fate
- Orbit class (GCAT)
- LLEO/S
- Perigee
- 481 km
- Apogee
- 486 km
- Inclination
- 97.69°
- Status
- Reentered (orbital decay)
- Status date
- March 5, 1991
- Last known active
- Dec 15, 1986
- End of operations
- Dec 15, 1986
Size
- Mass
- 437 kg
- Dry mass
- 437 kg
- Length
- 1.8 m
- Diameter
- 1.30 m
- Span
- 2.2 m
Launched together
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q1394040 (CC0).