Explorer 55

Explorer 55
Image of the Explorer 55 (AE-E)
NamesAE-E
Atmosphere Explorer-E
Mission typeEarth science
OperatorNASA
COSPAR ID1975-107A Edit this at Wikidata
SATCAT no.08440
Mission duration5.75 years (achieved)
Spacecraft properties
SpacecraftExplorer LIV
Spacecraft typeAtmosphere Explorer
BusAE
ManufacturerGoddard Space Flight Center
Launch mass735 kg (1,620 lb)
Start of mission
Launch date20 November 1975,
02:06:48 UTC[1]
RocketThor-Delta 2910
(Thor 604 / Delta 117)
Launch siteCape Canaveral, LC-17B
ContractorDouglas Aircraft Company
Entered service20 November 1975
End of mission
Decay date10 June 1981
Orbital parameters
Reference systemGeocentric orbit[2]
RegimeLow Earth orbit
Perigee altitude156.0 km (96.9 mi)
Apogee altitude2,983.0 km (1,853.6 mi)
Inclination19.70°
Period117.29 minutes
Instruments
Miniature Electrostatic Accelerometer (MESA)
Bennett Ion-Mass Spectrometer (BIMS)
Backscatter Ultraviolet Spectrometer (BUV)
Capacitance Manometer
Cold Cathode Ion Gauge
Cylindrical Electrostatic Probe (CEP)
Energy Analyzer Spectrometer Test (EAST)
Extreme Solar UV Monitor (ESUM)
Neutral Atmosphere Composition (NACE)
Neutral Atmosphere Temperature (NATE)
Open-Source Neutral Mass Spectrometer
Photoelectron Spectrometer (PES)
Radiation Damage
Retarding Potential Analyzer/Drift Meter
Solar Extreme Ultraviolet Spectrophotometer (EUVS)
Temperature Alarm (Spacecraft)
Visible Airglow Photometer (VAE)
Atmosphere Explorer
← AE-D

Explorer 55, also known as AE-E (Atmosphere Explorer-E), was a NASA scientific satellite belonging to the Atmosphere Explorer series launched on 20 November 1975 from Cape Canaveral Air Force Station (CCAFS) aboard a Thor-Delta 2910 launch vehicle.

  1. ^ "Launch Log". Jonathan's Space Report. 21 July 2021. Retrieved 19 November 2021.
  2. ^ Cite error: The named reference Trajectory was invoked but never defined (see the help page).