Driftcast

One launch time Launch window

Launch site

Find a place

Latitude

°N

Longitude

°E

or click the map, or drag the launch marker.

Local date and time

Burst and descend Float

Launch altitude

From terrain

Ascent rate

m/s

Burst altitude

Descent rate

m/s

Descent rate is the parachute's sea-level speed. Higher up, thinner air makes the payload fall faster.

Advanced

Prediction API endpoint

Any server running the Tawhiri API works. Both public instances use the latest NOAA GFS run.

Shortest flight

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Click a column, a row or a landing marker to load that flight. Lighter columns are earlier launches.

All launch times (0)

By time By distance

Launch	Distance	Direction	Flight time	Landing

Predicted landing

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Google Maps OpenStreetMap

Flight time

—

Burst

—

Ascent

—

Descent

—

Hover or use the arrow keys to read the track. The marker on the map follows.

Trajectory points (0)

Local time	Elapsed	Stage	Altitude	Latitude	Longitude