---
aliases:
  - context: instrumentID
    lexicon: ceos
    term: 987
    url: http://database.eohandbook.com/database/instrumentsummary.aspx?instrumentID=987
  - context: Instrument
    lexicon: ceos
    term: GRACE instrument
    url: http://database.eohandbook.com/database/instrumentindex.aspx#G
  - context: Sensor
    lexicon: podaac
    term: GRACE ACC
    url: ~
  - context: Sensor
    lexicon: podaac
    term: GRACE KBR
    url: ~
  - context: Sensor
    lexicon: podaac
    term: GRACE SCA
    url: ~
cited_by: []
contributors:
  - display_name: 'Contributor : German Aerospace Center '
    href: http://52.38.26.42:8080/contributor/3724.yaml
    id: 3724
    organization:
      country_code: DE
      display_name: German Aerospace Center
      identifier: german-aerospace-center
      name: German Aerospace Center
      organization_type_identifier: national
      type: organization
      url: http://www.dlr.de
    organization_uri: /organization/german-aerospace-center
    person: {}
    person_id: ~
    person_uri: ~
    role_type_identifier: contributor
    uri: /contributor/3724
  - display_name: 'Contributor : National Aeronautics and Space Administration '
    href: http://52.38.26.42:8080/contributor/3713.yaml
    id: 3713
    organization:
      country_code: US
      display_name: National Aeronautics and Space Administration
      identifier: national-aeronautics-space-administration
      name: National Aeronautics and Space Administration
      organization_type_identifier: federal
      type: organization
      url: http://www.nasa.gov
    organization_uri: /organization/national-aeronautics-space-administration
    person: {}
    person_id: ~
    person_uri: ~
    role_type_identifier: contributor
    uri: /contributor/3713
description: Satellite-to-satellite ranging system
description_attribution: ~
display_name: grace-instrument
files: []
href: http://52.38.26.42:8080/instrument/grace-instrument.yaml
identifier: grace-instrument
name: GRACE instrument
parents: []
platforms:
  - description: "GRACE is an international cooperative US-German dual-minisatellite SST (Satellite-to-Satellite Tracking) geodetic mission with the overall objective to obtain long-term data with unprecedented accuracy for global (high-resolution) models of the mean and the time-variable components of the Earth's gravity field (a new model of the Earth's gravity field every 30 days for five years). GRACE is also part of NASA's ESSP (Earth System Science Pathfinder) program. Some science objectives are:"
    description_attribution: "GRACE is an international cooperative US-German dual-minisatellite SST (Satellite-to-Satellite Tracking) geodetic mission with the overall objective to obtain long-term data with unprecedented accuracy for global (high-resolution) models of the mean and the time-variable components of the Earth's gravity field (a new model of the Earth's gravity field every 30 days for five years). GRACE is also part of NASA's ESSP (Earth System Science Pathfinder) program. Some science objectives are:"
    identifier: gravity-recovery-and-climate-experiment
    name: Gravity Recovery and Climate Experiment
    uri: /platform/gravity-recovery-and-climate-experiment
references: []
type: instrument
uri: /instrument/grace-instrument