{
  "schema_version": 2,
  "name": "Hubble Space Telescope observer sky",
  "timestamp": "2026-08-13T15:36:00Z",
  "products": ["observer"],
  "observer": {
    "id": "hubble",
    "name": "Hubble Space Telescope",
    "kind": "orbiting",
    "norad_id": "20580",
    "omm_catalog": "../orbital-technosphere/celestrak-science.csv",
    "source_url": "https://celestrak.org/NORAD/elements/gp.php?GROUP=science&FORMAT=csv",
    "maximum_element_age_days": 7.0,
    "earth_limb_avoidance_deg": 20.0,
    "sun_avoidance_deg": 60.3
  },
  "orientation": {
    "handedness": "celestial",
    "central_right_ascension_hours": 12.0
  },
  "instrumentation": {
    "id": "hst-composite",
    "name": "HST UV-optical-near-IR composite",
    "mode": "hst-composite",
    "bands": ["infrared", "optical", "ultraviolet"],
    "night_required_bands": []
  },
  "dynamic_events": {
    "lookback_days": 7.0
  },
  "display": {
    "maximum_stars": 500,
    "maximum_exoplanet_hosts": 250,
    "maximum_labels": 40,
    "show_reference_lines": true,
    "show_below_horizon_reference": true
  },
  "catalogs": {
    "gaia_dr3": "gaia-dr3-bright.csv",
    "nasa_exoplanets": "nasa-exoplanet-nearby.csv",
    "curated_sky": "curated-sky.json",
    "small_bodies": [
      "sbdb-ceres.json",
      "sbdb-vesta.json",
      "sbdb-eros.json",
      "sbdb-apophis.json",
      "sbdb-halley.json",
      "sbdb-encke.json",
      "sbdb-67p.json"
    ]
  }
}