Published: 4 February 2026The WeekScience & Technology
ISRO Prepares for PSLV-N1 Mission in February; EOS-10 and India-Mauritius Joint Satellite
ISRO geared up for two major missions in February 2026. The PSLV-N1 mission, slated for February 2026, will carry the EOS-10 oceanographic satellite alongside the India-Mauritius Joint Satellite (IMJS). Additionally, the GSLV-F17 mission carrying GISAT-1A (EOS-05) — a 2.2-tonne geostationary Earth observation satellite — was scheduled for late February with NOTAM covering February 20 to March 5.
GISAT-1A is a replacement for GISAT-1 (EOS-03) lost in 2021 and will provide near real-time monitoring of the Indian subcontinent from geostationary orbit — crucial for disaster management, crop monitoring, and border surveillance. For Rajasthan, the satellite will enable real-time monitoring of desert locust movements, drought conditions, and agricultural crop health.
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Answer (50 words):
ISRO scheduled two missions for February 2026: PSLV-N1 carrying the EOS-10 oceanographic satellite alongside the India-Mauritius Joint Satellite, and GSLV-F17 carrying the 2.2-tonne GISAT-1A geostationary observation satellite. GISAT-1A replaces GISAT-1 lost in 2021 and will help Rajasthan monitor desert locust movements, drought conditions and crop health in near real time.
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Frequently asked questions
What is ISRO PSLV-N1 mission and what satellites does it carry?
**ISRO PSLV-N1** is a launch mission carrying **EOS-10** (Earth Observation Satellite) and **IMJS** — a joint satellite with **Mauritius**. It is part of ISRO's expanded commercial and bilateral space cooperation portfolio under the **PSLV (Polar Satellite Launch Vehicle)** programme.
What is ISRO GSLV-F17 mission and what is its payload?
**ISRO GSLV-F17** carries **GISAT-1A** (also called **EOS-05**), a **2.2-tonne geostationary** Earth observation satellite. It is meant to replace **EOS-03**, which was lost in the **GSLV-F10 mission failure in 2021**. The launch was scheduled under **NOTAM** window from **February 20 to March 5**.
Why is ISRO GISAT-1A EOS-05 important and what happened to its predecessor EOS-03?
**GISAT-1A (EOS-05)** is ISRO's **2.2-tonne geostationary** imaging satellite designed for near-real-time observation of India and the Indian Ocean Region. Its predecessor **EOS-03** was lost when **GSLV-F10** failed in **August 2021** due to a cryogenic stage anomaly, making this mission a crucial replacement.
What is the NOTAM issued for ISRO GSLV-F17 launch and what does it signify?
A **NOTAM (Notice to Airmen)** was issued for the **GSLV-F17** launch specifying the window from **February 20 to March 5**. NOTAMs are official aviation safety notices that restrict airspace around launch trajectories, indicating ISRO's imminent readiness for the **GISAT-1A/EOS-05** geostationary satellite launch.
What is the IMJS satellite launched by ISRO on PSLV-N1 and which country collaborated on it?
**IMJS (India-Mauritius Joint Satellite)** is a bilateral Earth observation satellite developed jointly by **ISRO** and **Mauritius**, launched on **PSLV-N1** along with **EOS-10**. It represents India's growing space diplomacy, especially with small island nations in the Indian Ocean Region.
