Space · upcoming launch
TSIS-2
TBD
NET MARCH 2027
ROCKET LAB
Launch
Launch date
NET March 2027
Launch time
TBD
NET March 2027
Status
TBD
Probability
—
weather go
Window
Instantaneous
UTC
Launch provider
Rocket LabRocket
ElectronPad
Unknown PadLocation
Rocket Lab Launch Complex 1, Mahia Peninsula, New ZealandMission type
AstrophysicsOrbit
Sun-Synchronous OrbitOrbital launch of the year
#25Rocket Lab launch of the year
#2Launch from this pad
#11Mission
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.
More from Rocket Lab
Related launches
| No. | Mission | Date | Rocket | Status |
|---|---|---|---|---|
| 01 | Leidos-4 | 31 Dec 2026 | Electron | TBD |
| 02 | Leidos-3 | 31 Dec 2026 | Electron | TBD |
| 03 | BlackSky Gen-3 8 | 31 Dec 2026 | Electron | TBD |
| 04 | iQPS Launch 9 | 31 Dec 2026 | Electron | TBD |
| 05 | BlackSky Gen-3 6 | 31 Dec 2026 | Electron | TBD |
| 06 | iQPS Launch 13 | 31 Dec 2028 | Electron | TBD |
| 07 | Owlright, Owlright, Owlright (StriX Launch 13) | 26 Sept 2026 | Electron | Success |
| 08 | Owl By The Dozen (StriX Launch 12) | 19 Sept 2026 | Electron | Success |
| 09 | Happily Ever Faster (BlackSky Gen-3 5) | 11 Sept 2026 | Electron | Success |
| 10 | Owl Around The World (StriX Launch 11) | 02 Sept 2026 | Electron | Success |
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Source The Space Devs — Launch Library 2
Last updated 01 Oct 2026