ISEE-1

ISEE-1
ISEE-1 satellite
NamesISEE-A
International Sun-Earth Explorer-A
Explorer 56
IMP-K
Mission typeSpace physics
OperatorNASA
COSPAR ID1977-102A Edit this at Wikidata
SATCAT no.10422
Mission duration10 years (achieved)
Spacecraft properties
SpacecraftExplorer LVI
Spacecraft typeInternational Sun-Earth Explorer
BusIMP (Interplanetary Monitoring Platform)
ManufacturerGoddard Space Flight Center
Launch mass340.2 kg (750 lb)
DimensionsCylinder at 16 sided of 1.73 m (5 ft 8 in) of diameter and of 1.61 m (5 ft 3 in) in height
Power175 watts
Start of mission
Launch date22 October 1977, 13:53:00 UTC
RocketThor-Delta 2914
(Thor 623 / Delta 135)
Launch siteCape Canaveral, LC-17B
ContractorDouglas Aircraft Company
Entered service22 October 1977
End of mission
Last contact26 September 1987
Decay date26 September 1987
Orbital parameters
Reference systemGeocentric orbit[1][2]
RegimeHigh Earth orbit
Perigee altitude1.04 Re (6,600 km (4,100 mi))
Apogee altitude23.00 Re
(137,806 km (85,629 mi))
Inclination28.76°
Period3556.80 minutes
Instruments
DC and low frequency electric fields, double-probe (0.19-1900 Hz)
Electron and Proton Fluxes in the Outer Magnetosphere (1.5-300 keV)
Energetic Ion Mass Spectrometer (0-17 keV/q; 1 AMU to > 150 AMU)
Fast Plasma Experiment (FPE) and Solar Wind Ion Experiment (SWE)
Gamma-Ray Bursts (Time History)
Low Energy Cosmic Ray Experiment
Low-Energy Proton and Electron Differential Energy Analyzer (LEPEDEA)
Medium Energy Particles Experiment (METE)
Plasma (Total Electron) Density by Radio Techniques
Plasma waves: electric and magnetic fields spectra, flux, direction (5.62 Hz-31.1 kHz)
Quasi-static and low-frequency electric fields (0.1-200 mV/m, frequency < 1000Hz)
Tri-axial Fluxgate Magnetometer
Vector Electron Spectrometer Experiment
Very low frequency (1-32 kHz) Wave-Particle Interactions in the Magnetosphere
International Sun-Earth Explorer
ISEE-2 →

The ISEE-1 (International Sun-Earth Explorer-A or ISEE-A) was an Explorer-class mother spacecraft, International Sun-Earth Explorer-1, was part of the mother/daughter/heliocentric mission (ISEE-1, ISEE-2, ISEE-3). ISEE-1 was a 340.2 kg (750 lb) space probe used to study magnetic fields near the Earth.[2] ISEE-1 was a spin-stabilized spacecraft and based on the design of the prior IMP (Interplanetary Monitoring Platform) series of spacecraft.[2] ISEE-1 and ISEE-2 were launched on 22 October 1977, and they re-entered on 26 September 1987.[3]

  1. ^ Cite error: The named reference Trajectory was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference isee was invoked but never defined (see the help page).
  3. ^ "Display: ISEE-1 (1977-102A)". NASA. 28 October 2021. Retrieved 19 November 2021. Public Domain This article incorporates text from this source, which is in the public domain.