Electron | TSIS-2

Name: Electron | TSIS-2
Start: 2027-03-31T00:00:00Z
End: 2027-03-31T00:00:00Z
Location: Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

TO BE DETERMINED

> T-MINUS (NET)

DAYS

HRS

MIN

SEC

Target time only (NET — no earlier than). This launch is not yet confirmed and may slip.

> MISSION DATA

DATEWednesday, March 31, 2027

TIME12:00 AM UTC

PROVIDERRocket Lab

ROCKETElectron

PADUnknown Pad

LOCATIONRocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

ORBITSun-Synchronous Orbit

> MISSION BRIEFING // ASTROPHYSICS

The Total and Spectral Solar Irradiance Sensor 2 (TSIS-2) is a satellite designed by NASA to measure the Sun's energy input to Earth. TSIS-2 comprises two instruments, the Total Irradiance Monitor (TIM), and the spectral Irradiance Monitor (SIM). TIM measures total brightness and SIM measures spectral irradiance over a wavelength range that includes 96% of the energy in the solar spectrum. Both instruments are similar to those used for the TSIS-1 mission onboard the International Space Station.

> SCHEDULE & SOURCE

Source-reported status: To Be Determined. Current date is a placeholder or rough estimation based on unreliable or interpreted sources.

Launch window: 2027-03-31 00:00:00 UTC — 2027-03-31 00:00:00 UTC.

Dates and windows may change. Passing the scheduled time does not confirm a launch outcome.

Launch data from The Space Devs

Understand launch windows and orbits · Launch provider guide

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