@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://gcmd.gsfc.nasa.gov/kms#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/e57b586f-09ba-45ad-868c-4c232d6034b4>
  skos:prefLabel "OGO (Orbiting Geophysical Observatory)"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/52dcf6a3-8b08-40a4-acb0-3c1c2fdc55cc> .

<https://gcmd.earthdata.nasa.gov/kms/concept/52dcf6a3-8b08-40a4-acb0-3c1c2fdc55cc>
  ns0:resource [ ] ;
  ns0:altLabel [ ] ;
  skos:definition """The Orbiting Geophysical Observatory 3 (OGO 3) was launched on 7 June 1966 and
put into orbit of 295 x 122,219 km at 31 degrees inclination. All 21
experiments returned good data. At the time, this was the largest experimental
complement ever put into orbit. There were 4 cosmic ray instruments (1 of which
included a gamma-ray spectrometer), 4 plasma, 2 trapped radiation, 2 magnetic
fields, 5 ionosphere, 3 radio/optical, and 1 micrometeoroid detectors. Again,
the GSFC positron search and gamma-ray spectrometer was included. The
experiment was essentially identical to what was flown on OGO 1, with the PMTs
being replaced by an improved variety. This time, the experiment was successful
in achieving all of its objectives. OGO 3 maintained 3-axis stabilization for
46 days. At that point, an attitude controller failed and the spacecraft was
put into a spin on 23 July 1966. The spin period varied from 90-125 seconds. By
June 1969, data acquisition was limited to 50% of the orbital path. Routine
operation was discontinued on 1 December 1969, and complete termination
occurred on 29 February 1972.

[Summary provided by NASA.]


Group: Platform_Details
   Entry_ID: OGO-3
   Group: Platform_Identification
      Platform_Category: Earth Observation Satellites
      Platform_Series_or_Entity: OGO (Orbiting Geophysical Observatory)
      Short_Name: OGO-3
      Long_Name: Orbiting Geophysical Observatory-3
   End_Group
   Group: Synonymous_Platform_Names
      Short_Name: EOGO 3
      Short_Name: OGO-B
      Short_Name: 02195
   End_Group
   Group: Platform_Associated_Instruments
      Short_Name: GAMMA RAY SPECTROMETERS
   End_Group
   Group: Orbit
      Orbit_Inclination: 31 degrees
      Period: 2913.0 minutes
      Perigee: 295.0 km
      Apogee: 122219.0 km
      Orbit_Type: LEO > Low Earth Orbit > Polar Sun-Synchronous
   End_Group
   Creation_Date: 2007-02-13
   Online_Resource: http://nssdc.gsfc.nasa.gov/nmc/spacecraftDisplay.do?id=1966-049A
   Sample_Image: http://heasarc.gsfc.nasa.gov/Images/ogo/ogo.gif
   Group: Platform_Logistics
      Launch_Date: 1966-06-07
      Launch_Site: Cape Canaveral/Kennedy Space Center, USA
      Primary_Sponsor: NASA
   End_Group
End_Group"""@en ;
  skos:prefLabel "OGO-3"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/platforms> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/e57b586f-09ba-45ad-868c-4c232d6034b4> ;
  a skos:Concept .