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Solar System Planetary Orbital & Physical Parameters Oracle

Returns NASA JPL orbital distance, radius, mass, surface gravity, escape velocity, and moons for all 8 planets of the Solar System.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/astronomy-solar-system-planets?compact=1

Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"astronomy-solar-system-planets"}

Parameters

None.

Example response (live, compact)

{
  "apiId": "astronomy-solar-system-planets",
  "data_freshness": "live",
  "data": {
    "planets": [
      {
        "name": "Mercury",
        "semi_major_axis_au": 0.387,
        "radius_km": 2439.7,
        "gravity_m_s2": 3.7,
        "orbital_period_days": 87.97,
        "moons": 0
      },
      {
        "name": "Venus",
        "semi_major_axis_au": 0.723,
        "radius_km": 6051.8,
        "gravity_m_s2": 8.87,
        "orbital_period_days": 224.7,
        "moons": 0
      },
      {
        "name": "Earth",
        "semi_major_axis_au": 1,
        "radius_km": 6371,
        "gravity_m_s2": 9.81,
        "orbital_period_days": 365.256,
        "moons": 1
      },
      {
        "name": "Mars",
        "semi_major_axis_au": 1.524,
        "radius_km": 3389.5,
        "gravity_m_s2": 3.71,
        "orbital_period_days": 686.98,
        "moons": 2
      },
      {
        "name": "Jupiter",
        "semi_major_axis_au": 5.204,
        "radius_km": 69911,
        "gravity_m_s2": 24.79,
        "orbital_period_days": 4332.59,
        "moons": 95
      },
      {
        "name": "Saturn",
        "semi_major_axis_au": 9.582,
        "radius_km": 58232,
        "gravity_m_s2": 10.44,
        "orbital_period_days": 10759.22,
        "moons": 146
      },
      {
        "name": "Uranus",
        "semi_major_axis_au": 19.218,
        "radius_km": 25362,
        "gravity_m_s2": 8.69,
        "orbital_period_days": 30688.5,
        "moons": 28
      },
      {
        "name": "Neptune",
        "semi_major_axis_au": 30.11,
        "radius_km": 24622,
        "gravity_m_s2": 11.15,
        "orbital_period_days": 60195,
        "moons": 16
      }
    ]
  },
  "source": "100% Platform Deterministic Compute / Reference Engine",
  "license": "Public Domain (NASA Planetary Fact Sheet)"
}

Source & license