ZeqReentry — Atmospheric Entry

Atmospheric reentry heating and trajectory calculation using thermodynamics + fluid dynamics operators. Heat shield requirements and landing zone prediction.

Endpoint	POST /api/space/reentry/simulate
Auth	api-key
Rate limit	10/min
Category	space

Parameters

Name	Type	Required	Description
entryVelocityMs	number	Yes	Entry velocity (m/s).
entryAngleDeg	number	Yes	Entry angle (degrees from horizontal).
vehicleMassKg	number	Yes	Vehicle mass.
heatShieldType	string	No	'ablative', 'ceramic', 'metallic'. Default: 'ablative'.

Returns

{ peakHeatingWm2, peakGforce, landingZone: { lat, lon }, totalHeatLoad, blackoutDuration }

Example

curl -sS -X POST \
  -H "Authorization: Bearer zsm_..." \
  -H "Content-Type: application/json" \
  -d '{
  "entryVelocityMs": 0,
  "entryAngleDeg": 0,
  "vehicleMassKg": 0,
  "heatShieldType": "ablative"
}' \
  "https://zeqsdk.com/api/space/reentry/simulate"

This protocol is a named building block — one of the operations you compose inside a state contract. Call it directly with the request above, or invoke it from a contract that fires on your machine's clock. Browse the whole library at GET /api/protocols; fetch this one at GET /api/protocols/zeq-reentry.