Manifest / 01Go
Starlink Group 15-22
Falcon 9 Block 5
ProviderSpaceX
PadSpace Launch Complex 4E
DateAug 26, 2026
Time (UTC)09:27 AM UTC
Launch clockT– to liftoff
T-:::
Confirmed to the minute00
20
12
01
Back to launches
TBD
AT-Astra and Others (Spectrum Flight 3)
SpectrumIsar AerospaceOrbital Launch Pad
H2 2026 · Date and time TBD
Calendar available when time is confirmed
NextMission AnnouncedT-720:00:00
Time to launch
Launch Window Confidence
46% — UncertainMission Brief
Third test flight of the Isar Spectrum launch vehicle. This launch will carry various satellites including R-Space’s AT-Astra/IOD-01, which will perform in-orbit demonstrations for ENPULSION, SUNBOOSTER GmbH, and Synopsis Planet.
PayloadAT-Astra and Others (Spectrum Flight 3)
OrbitSun-Synchronous Orbit
CustomerIsar Aerospace
Stages2
PadOrbital Launch Pad, Andøya Spaceport
Mission Timeline
0 / 140%Up next · Pre-launch
Mission Announced
Official mission announcement and payload assignment
T-720:00:00
12:00 AM UTC
- Mission AnnouncedT-720:00:0012:00 AM UTC
- Vehicle RolloutT-48:00:0012:00 AM UTC
- Wet Dress RehearsalT-24:00:0012:00 AM UTC
Ground vector
Launch site
Site locked
Orbital Launch Pad
Andøya Spaceport
Global range
- Latitude
- 69.108°N
- Longitude
- 15.589°E
Range Weather
Launch commit criteria
Clear
Watch
TrackingNo active constraints
Weather Rules
Tracking no weather issues at this time.
- Primary concern
- No weather issues
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
12:00 AM UTC - 12:00 AM UTC
Schedule History
No meaningful launch-time or status changes recorded.
