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NASA JPL Small-Body Database Lookup
x402
NASA JPL Small-Body Database Lookup is a paid API for AI agents from 2s.io, paid per call via x402, $0.00144/call, status unknown (last checked 2026-09-14).
Look up detailed physical and orbital data for any asteroid or comet by name, number, or designation from NASA JPL's Small-Body Database
Price / call$0.00144
Success—
StatusUnknown
How this service works
Look up any asteroid or comet in NASA JPL's Small-Body Database by designation, number, or name (e.g. "433", "Eros", "433 Eros", "1P/Halley", "2024 YR4"). Returns full name + kind + orbit class (e.g. Amor, Apollo, Jupiter-family comet), NEO and potentially-hazardous-asteroid flags, physical params (absolute magnitude H, diameter, extent, rotation period, albedo, density, spectral type), and orbital elements (eccentricity, semi-major axis, perihelion/aphelion, inclination, period, Earth MOID, observation arc). Astronomy, planetary-defense, and mission-planning research. Public-domain NASA/JPL data; for a body's near-Earth close approaches see /api/space/close-approaches.
Output
Returns the asteroid or comet's full name, body kind, orbit class (e.g. Amor, Apollo, Jupiter-family comet), NEO flag, potentially-hazardous-asteroid flag, physical parameters (absolute magnitude H, diameter, extent, rotation period, albedo, density, spectral type), and orbital elements (eccentricity, semi-major axis, perihelion, aphelion, inclination, period, Earth MOID, observation arc).
Example use cases
Example prompt
“Can you pull up the full NASA JPL small-body data for asteroid 433 Eros — I want its orbit class, NEO and hazardous flags, diameter, rotation period, and orbital elements like eccentricity and Earth MOID.”
Technical details
Endpoint
GEThttps://2s.io/api/space/bodyWhen to prefer
Use this endpoint when you need authoritative NASA JPL data on a specific asteroid or comet — including orbital elements, physical parameters, NEO/PHA classification, and orbit class. Prefer this over general web search when you need structured, machine-readable small-body data for planetary defense analysis, mission planning, or astronomy research. For close approaches of a specific body, use the companion /api/space/close-approaches endpoint instead.
Side effects
- Body not found in SBDB for ambiguous or misspelled designation — returns empty or error response
- Multiple matches for a partial name — may return list of candidates rather than single body
- Designation format not recognized — e.g. malformed comet periodic number
- Physical parameters missing for poorly observed bodies — fields may be null or absent
- Rate limiting or payment failure for x402 micropayment protocol
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"q": "433 Eros"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"items": [
{
"body": {
"neo": true,
"pha": false,
"kind": "an",
"orbit": {
"moidAu": 0.149,
"epochJd": 2461200.5,
"lastObs": "2021-05-13",
"firstObs": "1893-10-29",
"aphelionAu": 1.78,
"periodDays": 643,
"dataArcDays": 46582,
"eccentricity": 0.223,
"perihelionAu": 1.13,
"inclinationDeg": 10.8,
"semiMajorAxisAu": 1.46
},
"fullName": "433 Eros (A898 PA)",
"physical": {
"albedo": 0.25,
"extentKm": "34.4x11.2x11.2",
"diameterKm": 16.84,
"densityGCm3": 2.67,
"spectralType": "S",
"rotationPeriodHr": 5.27,
"absoluteMagnitudeH": 10.4
},
"shortName": "433 Eros",
"orbitClass": {
"code": "AMO",
"name": "Amor"
}
}
}
],
"total": 1,
"source": {
"url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html",
"license": "Public domain (NASA/JPL-Caltech).",
"provider": "NASA JPL Small-Body Database"
}
},
"meta": {
"cost": {
"usd": 0.00144,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "space.body",
"settlement": {
"txHash": "0x2d99119ebd5e5389097ac059c10ed5b4ea154027f9059de0574288989faaf1af",
"network": "eip155:8453",
"success": true
}
}
}Tags
x402
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