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Rocket LabElectronUnknown Pad, Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand
PolSIR-1
Launch window
No countdown — this launch time is not yet known to the minute.NET June 2027Add to calendar
Summary
PolSIR-1 is expected to launch on a Rocket Lab Electron from Unknown Pad, Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand in June 2027. It is Rocket Lab's 113th launch, 4th this year and humanity's 7,590th orbital launch attempt. It is planned as the 112th Electron flight and the 3rd this year. The payload is bound for low Earth orbit (LEO).
- Watch
- No webcast announced yet.
- Vehicle
- Electron · Rocket Lab
- Booster
- No booster details available.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- Planned as the 112th Electron flight · 3rd this yearRocket Lab's 113th launch4th this yearhumanity's 7,590th orbital launch attempt59th orbital launch attempt this year
Flight preview
About this launch
The PoISIR (Polarized Submillimeter Ice-cloud Radiometer) mission will help provide a better understanding of ice clouds that form at high altitudes throughout tropical and subtropical regions. Consisting of two small satellites, both of PoISIR’s 16U CubeSats have a scientific instrument designed to measure a specific spectrum of electromagnetic radiation, which will determine how the amount of ice in tropical clouds rises and falls during the day, as well as how the ice changes connect to larger storms. The instruments also will help determine how ice clouds affect sunlight and heat radiation throughout the day. The pair of CubeSats will fly in orbits separated by several hours to observe the pattern of cloud ice content changes over a day. This information will help researchers make more accurate weather predictions.
News
Rocket Lab wins NASA award for three Electron launchesNASA has selected Rocket Lab to launch a pair of science missions on three Electron rockets in 2027.
NASA Selects Rocket Lab to Launch Sun, Earth Science MissionsNASA has selected Rocket Lab to provide the launch service for both the agency’s PolSIR (Polarized Submillimeter Ice-cloud Radiometer) and Total and Spectral Solar Irradiance Sensor-2 (TSIS-2) missions. The two selections are part of NASA’s Venture-Class Acquisition of Dedicated and Rideshare (VADR) launch services contract. This contract allows the agency to award fixed-price indefinite-delivery/indefinite-quantity launch […]
Pad
Unknown Pad, Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand
Planned as the 13th launch from Unknown Pad, 4th this year · 97th from Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand
0 launches from this pad · 84 from Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand
91 days after the previous launch from this pad
All launches from Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand
Updates
Added launch.
Questions
When does PolSIR-1 launch?
PolSIR-1 is scheduled in June 2027.
Where can I watch PolSIR-1 live?
No webcast has been announced yet.
What rocket is launching PolSIR-1?
Electron, flown by Rocket Lab. Electron spec sheet
Where is PolSIR-1 launching from?
Unknown Pad, Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand.
What orbit is PolSIR-1 going to?
Low Earth Orbit (LEO), a earth science mission.