{
  "startDate": "1997-08-25T17:48Z",
  "stopDate": "2026-03-22T23:49Z",
  "sampleStartDate": "2025-01-01T00:00Z",
  "sampleStopDate": "2026-01-01T00:00Z",
  "cadence": "PT12M",
  "x_cadence_fraction": 1,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/ace/orbit/level_2_cdaweb/or_ssc/ac_or_ssc_19970101_v01.cdf. The most common cadence, 720000 [ms] = PT12M, occurred for all 15391 timesteps.",
  "maxRequestDuration": "PT15028201M",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesA.html#AC_OR_SSC",
  "contact": "SSC/SSCWeb @  NASA's GSFC",
  "resourceID": "https://doi.org/10.48322/by5e-zs07",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/ACE/Ephemeris/PT12M.html"
  },
  "parameters": [
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      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": " ",
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      "x_cdf_DataType": "CDF_EPOCH"
    },
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      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "ACE X/Y/Z GSE coordinates (time-series)",
      "fill": "-1.0E31",
      "units": "km",
      "x_label": [
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        "y",
        "z"
      ],
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      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "F8.2",
      "x_cdf_FIELDNAM": "XYZ_GSE",
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    },
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      "name": "GSE_LAT",
      "type": "double",
      "x_cdf_DataType": "CDF_FLOAT",
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      "fill": "-1.0E31",
      "units": "Deg",
      "x_label": "ACE GSE_Lat",
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      "name": "GSE_LON",
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      "x_cdf_DataType": "CDF_FLOAT",
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      "fill": "-1.0E31",
      "units": "Deg",
      "x_label": "ACE GSE_Long",
      "x_format": ".2f",
      "x_fractionDigits": "2",
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    },
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      "name": "RADIUS",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "ACE distance from Earth (km)",
      "fill": "-1.0E31",
      "units": "KM",
      "x_label": "ACE Dist Earth",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "F8.2",
      "x_cdf_FIELDNAM": "RADIUS",
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  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
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  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:08:19Z"
}