Target inclination97.6°
A small satellite.
A precise moment.
T−00:45
Awaiting your launch rehearsal
Target orbit520 km / Sun-synchronous
Payload
ASTER / 6UAn imagined CubeSat for observing seasonal changes in coastal vegetation.
Flight sequence
45 seconds to go: checks.
20 seconds: range clear.
10 seconds: terminal count.
Zero: simulated liftoff.
Your launch window
Start, pause and reset a 45-second rehearsal. No real spacecraft is connected to these controls.
All mission parameters are fictional. Countdown runs only while started; switching tabs does not pause the clock.