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JPL Close Approach

Near-Earth object close-approach data

🔭 Science & SpaceUNMONITORED
AUTH NONECORS ✗AGENT ?HTTPS ✓COMMERCIAL ?

NASA JPL Horizons close-approach database as JSON. Filter by date range and body — public domain, no API key.

—HOW IT'S SCORED ⓘ
Docs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://ssd-api.jpl.nasa.gov/cad.api?date-min=2026-01-01&limit=1

{
  "signature": {
    "version": "1.5",
    "source": "NASA/JPL SBDB Close Approach Data API"
  },
  "count": 1,
  "total": 962,
  "fields": [
    "des",
    "orbit_id"
  ],
  "data": [
    [
      "2025 YL4",
      "4"
    ]
  ]
}
Call itcurl · fetch · python
curl "https://ssd-api.jpl.nasa.gov/cad.api?date-min=2026-01-01&limit=1"
const res = await fetch("https://ssd-api.jpl.nasa.gov/cad.api?date-min=2026-01-01&limit=1");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://ssd-api.jpl.nasa.gov/cad.api?date-min=2026-01-01&limit=1")
print(res.json())

BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET

Endpoints · 3On scheduleFULL DOCS ↗
On schedule — GET /cad.api?date-min=2026-01-01&limit=1 awaits first probe
GET/cad.api?date-min=2026-01-01&limit=1PROBED

Near-Earth object close-approach data

GET/cad.api?limit=5

Cad Api — documented GET route.

GET/cad.api?page=1

Cad Api — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

JPL Close Approach: common questions

Is JPL Close Approach free to use?

Yes — JPL Close Approach is a free science & space API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does JPL Close Approach need an API key?

No — JPL Close Approach needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call JPL Close Approach from the browser?

Not directly — JPL Close Approach doesn't send browser-friendly CORS headers, so call it from a server or proxy instead. Copy the curl or Python snippet on this page to get started.

Is JPL Close Approach up right now?

JPL Close Approach is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.