{"uid":"cap_jJBx-h2OGu5GXEEkfz6T2","slug":"nasa-near-earth-asteroids-close-approach-b87046ee","name":"NASA Near-Earth Asteroids Close Approach","description":"Near-Earth asteroids (NEOs) making their closest approach to Earth on a given date (default: today), sorted by distance -- also called close-approach or flyby data. Includes each asteroid's estimated size, relative velocity, and miss distance. Sourced from NASA JPL's Near Earth Object Web Service (NeoWs).","url":"https://x402-seller.onrender.com/space/asteroids","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"date":{"type":"string","description":"YYYY-MM-DD, defaults to today"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"date":{"type":"string"},"count":{"type":"number"},"source":{"type":"string"},"asteroids":{"type":"array"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ankPyO6QrxEnGNsKI-Ny-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns near-Earth asteroids making their closest approach on a given date, sorted by distance, with size, velocity, and miss distance data sourced from NASA JPL.","exampleAgentPrompt":"What near-Earth asteroids are making their closest approach today? Give me their sizes, velocities, and how far they'll miss Earth, using the NASA JPL data.","exampleUseCases":null,"resultDescription":"A JSON object containing the query date, a count of close-approach asteroids, the data source attribution (NASA JPL NeoWs), and an array of asteroid objects each with name, miss distance, velocity, and estimated size — sorted by proximity.","failureModes":["Invalid date format returns an error (must be YYYY-MM-DD)","Dates far in the future or distant past may return empty asteroid lists","NASA JPL upstream API downtime may cause request failures","No asteroids on a given date returns an empty array with count 0"],"whenToPreferThis":"Use this endpoint when you need asteroid close-approach data for a specific calendar date, sourced authoritatively from NASA JPL. Prefer this over generic space data APIs when you need miss distance, velocity, and size data in a single call sorted by proximity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:38:09.490Z","isFirstParty":false}