Cortexa research tool·physics astro·jpl_horizons

JPLHorizons Lookup Object

Search for solar system objects in the JPL Horizons database by name, partial name, or designation. Returns a list of matching objects with their SPK IDs (used for ephemeris queries), object type (planet, asteroid, comet, spacecraft, satellite), and alternate names/designations. The SPK ID is needed to query ephemerides. Examples: 'Mars' returns planets, spacecraft, and missions; '2020 SO' returns near-Earth objects; 'Ceres' returns the dwarf planet.

Livelast probed 2026-05-01 01:00Z· 306msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 306ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "sstr": {
      "description": "Object name or partial name to search. Examples: 'Mars', 'Jupiter', 'Ceres', 'Halley', '1P' (Halley's Comet designation), 'Apophis', 'Voyager', 'Cassini'",
      "type": "string"
    }
  },
  "required": [
    "sstr"
  ],
  "type": "object"
}

Examples (1)

Default JPLHorizons Lookup Object call

public-safeinput

{
  "sstr": ""
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_JPLHorizons_lookup_object
Tool name: JPLHorizons_lookup_object
Added: 2026-05-01 00:58Z
Tags: tooluniverse

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