io.github.dlamarre-dev/perigee

up checked 2026-11-11T08:39:32.298Z

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Publisher-provided title

Perigee

Publisher-provided description

Positions, distances, mission facts and 3D views of objects orbiting the Earth, Moon, Mars and Sun.

Summary by lookupd

Tools for positions, distances, orbits, passes, sky events and 3D view links for objects around Earth, Moon, Mars and Sun.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http perigee https://perigee-mcp.perigeeinfo.workers.dev/mcp

Claude Code, npm package (stdio)

claude mcp add perigee -- npx -y perigee-mcp

Codex, remote (streamable-http)

codex mcp add perigee --url https://perigee-mcp.perigeeinfo.workers.dev/mcp

Codex, npm package (stdio)

codex mcp add perigee -- npx -y perigee-mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "perigee": {
      "url": "https://perigee-mcp.perigeeinfo.workers.dev/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "perigee": {
      "command": "npx",
      "args": [
        "-y",
        "perigee-mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (19 tools)

Publisher-provided text

• perigee_find Looks up objects by name or identifier (English or French, accents optional): planets, moons, missions beyond Earth orbit, featured science satellites, any acti
• perigee_object Facts about an object: name, agency, country, launch date, status, mission goals and notes, identifiers (NORAD, COSPAR, Horizons), official website, sources and
• perigee_state Position (km, ICRF/J2000 equatorial axes) and velocity (km/s) of an object at a date, relative to a centre (default: the body it orbits or stands on), with dist
• perigee_orbit Orbit of an object: perigee and apogee altitudes (periapsis/apoapsis), period, inclination, eccentricity, semi-major axis. Earth satellites: the mean elements o
• perigee_passes When an Earth satellite (ISS = 25544, Tiangong = 48274, Hubble = 20580, or any NORAD number) passes over a place: rise, highest point and set times with directi
• perigee_sky What is in the sky from a place at a date (default: now): day, twilight or night; the Sun with its next rise, set and twilights; the Moon with its phase, illumi
• perigee_events Events over a period (default: the next 30 days, at most 31): Moon phases (super and micro full Moons), lunar perigee and apogee, lunar and solar eclipses (cont
• perigee_tonight What there is to see tonight from a place (the coming night, or the current one): the night's start and end, the Moon (phase, illuminated share, rise and set),
• perigee_sky_conjunctions Apparent close pairings seen from a place over a period (default 7 days, at most 7): the Moon and the planets with each other and with the bright stars near the
• perigee_shadow Whether an object is in sunlight, in the penumbra or in the umbra of the body it orbits (Earth satellites: the Earth's shadow; lunar and Martian orbiters: the M
• perigee_ground_track The path on the ground below an Earth satellite over one or two orbits: a list of points (time, latitude, longitude, height) and a GeoJSON MultiLineString split
• perigee_close_approach The closest distance between two objects in space over a period (default 1 day, at most 1): when, how close (timed to a fraction of a second) and, for two Earth
• perigee_stats Counts of the active satellites: total, by owner (country or organisation, e.g. US, PRC, CIS, ESA), by operator (SpaceX, OneWeb, Amazon Kuiper…), by CelesTrak g
• perigee_distance Centre-to-centre distance between two objects at a date (km and astronomical units) and the light travel time, with the provenance of both positions. Example: f
• perigee_distance_series Distances between two objects sampled evenly over a period (for a table or a chart), with the closest and farthest samples. The step limits their precision: use
• perigee_view Link to Perigee showing an object (optionally at a date, paused or accelerated, followed), and an iframe snippet for a lesson page: the live 3D view without bar
• perigee_describe_view Turns a Perigee link or embed URL (from perigee_view or a shared link) into words: a one-sentence alternative text for the image or iframe, and a description fo
• perigee_define Student-level definitions (secondary school) of the terms shown in Perigee: NORAD number, COSPAR id, apogee and perigee, inclination, orbital period, element ep
• perigee_about What every answer rests on: data sources and when they were fetched, the models and their typical accuracy, catalogue sizes, frame, attribution and the educatio

Details

• Version: 1.10.0
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 513 ms
• First indexed: 2026-11-01T09:28:06.835Z
• Last seen in registry: 2026-11-07T19:17:14.102Z
• Repository: https://github.com/dlamarre-dev/Perigee
• Website: https://perigee.info/

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