{"uid":"cap_put31LI2-3gSJfvb6kLlR","slug":"space-objects-jpl-sentry-impact-risk-lookup-2d3b9722","name":"Space Objects – JPL Sentry Impact Risk Lookup","description":"Is this asteroid on the JPL Sentry impact-risk list? Probability, Palermo and Torino levels, size and likeliest impact dates.","url":"https://space-objects.x402tookit.com/impact-risk-object?utm_source=zero.xyz","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":["designation"],"properties":{"designation":{"type":"string","description":"Number or designation, for example 101955 or 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whether a specific asteroid is on the JPL Sentry impact-risk list and returns its impact probability, Palermo scale, Torino scale, size, and likeliest impact dates.","exampleAgentPrompt":"Is asteroid 101955 Bennu on the JPL Sentry impact-risk list, and if so what's its impact probability, Palermo scale rating, and the likeliest impact dates?","exampleUseCases":[{"title":"Planetary defense research briefing","prompt":"Pull the full impact-risk profile for asteroid 29075 — I need its Palermo and Torino scale values, estimated diameter, impact probability, and the top likeliest impact dates from the JPL Sentry list."},{"title":"Newsroom fact-check on Apophis","prompt":"I'm writing an article about Apophis — can you check the JPL Sentry list for designation 99942 and tell me the current impact probability, Torino level, and what year it might hit if it does?"},{"title":"Automated asteroid risk monitor","prompt":"For asteroid designation 2023 DW, check whether it's on the JPL Sentry impact monitoring list and report back its Palermo scale score, potential impact count, and the mass and diameter estimates."}],"resultDescription":"Returns a structured record including: whether the asteroid appears on JPL Sentry, cumulative impact probability (oneIn odds and decimal), maximum Palermo scale value and band, maximum Torino scale level, estimated diameter in km, mass in kg, impact energy in megatons, impact speed in km/s, number of potential impact solutions, likeliest impact dates with individual probabilities and Palermo values, data arc length, observation count, last observation date, orbit solution date, Sentry last-updated timestamp, source URL, a human-readable summary and verdict, and any degraded-data flags or disclaimers.","failureModes":["Asteroid designation not found on JPL Sentry (returns null fields or empty result — asteroid may simply not be on the risk list)","Invalid or malformed designation string causes a 400-level error","JPL Sentry data source temporarily unavailable causing a degraded or stale response","Very recently discovered objects may not yet appear in Sentry's database","Ambiguous designations (e.g. short names matching multiple objects) may return incorrect or no data"],"whenToPreferThis":"Use this endpoint when you need authoritative JPL Sentry impact-risk data for a specific asteroid by designation or number, including Palermo and Torino scale ratings, impact probability, size, and likeliest impact dates. Prefer this over general asteroid lookup endpoints when impact-risk assessment is the primary goal. For general orbital data, close-approach history, or size estimation, use the sibling endpoints on the same service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:05.112Z","isFirstParty":false,"canonicalSlug":"space-objects-jpl-sentry-impact-risk-lookup-2d3b9722"}