{
  "HAPI": "3.2",
  "x_description": "This dataset contains the EPOS Predicted Geometric Positions. These data have been converted into Cluster Exchange Format from the orignal Double Star Science Data System Common Data Format (CDF) Prime Parameter files that were made available through the Double Star Science Data System. The metadata has been updated from the DSDS/CDF standard to the CAA to aid compatibility with tools developed for the Double Star Active Archive.",
  "cadence": "PT300.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "time_tags",
      "description": "Interval centred time tag",
      "label": "Universal Time",
      "length": 24,
      "fill": null
    },
    {
      "type": "double",
      "name": "half_interval",
      "description": "Half event interval length",
      "label": "Half width of event interval",
      "units": "s",
      "fill": "-1.0e28"
    },
    {
      "type": "double",
      "name": "sc_orbit_num",
      "description": "Double Star D2, orbit number including phase",
      "label": "Double Star, Orbit number (with phase)",
      "units": null,
      "fill": "-1.0e31"
    },
    {
      "type": "double",
      "name": "sc_r_xyz_gse",
      "description": "Double Star, Predicted Position of ref sc",
      "label": "Double Star, Predicted Position of ref sc",
      "units": "km",
      "fill": "-1.0e31",
      "size": [
        3
      ]
    },
    {
      "type": "double",
      "name": "sc_v_xyz_gse",
      "description": "Double Star, Predicted Velocity of ref sc",
      "label": "Double Star, Predicted Velocity of ref sc",
      "units": "km s^-1",
      "fill": "-1.0e31",
      "size": [
        3
      ]
    },
    {
      "type": "double",
      "name": "sc_at_lat",
      "description": "Double Star, Predicted GSE Latitude of D2 axis, Angle from Ecliptic Plane",
      "label": "Double Star, Predicted GSE Latitude of D2",
      "units": "deg",
      "fill": "-1.0e31"
    },
    {
      "type": "double",
      "name": "sc_at_long",
      "description": "Double Star, Predicted gse Longitude of D2 axis, Angle from x in x-y(GSE) plane",
      "label": "Double Star, Predicted gse Longitude of D2",
      "units": "deg",
      "fill": "-1.0e31"
    },
    {
      "type": "double",
      "name": "gse_gsm",
      "description": "Double Star, Predicted Rotation Angle GSE to GSM, positive from +z towards +y",
      "label": "Double Star, Predicted Rotation Angle GSE to GSM",
      "units": "deg",
      "fill": "-1.0e31"
    },
    {
      "type": "double",
      "name": "dipole_tilt",
      "description": "Double Star, Predicted Dipole Tilt in GSM z-x Plane, positive from +z towards +x",
      "label": "Double Star, Predicted Dipole Tilt in GSM z-x Plane",
      "units": "deg",
      "fill": "-1.0e31"
    }
  ],
  "startDate": "2004-07-01T00:00Z",
  "stopDate": "2009-01-01T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=D2_JP_AUX_PGP&FORCEPACK=false",
  "sampleStartDate": "2008-12-01T00:00Z",
  "sampleStopDate": "2009-01-01T00:00Z",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=D2_JP_AUX_PGP&START_DATE=2008-12-01T00:00:00.000Z&END_DATE=2009-01-01T00:00:00.000Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-12T15:13:21Z"
}