‘Artificial Solar Eclipse’: ISRO to launch ESA’s Proba-3 for an extraordinary mission

Produced by: Tarun Mishra Designed by: Manoj Kumar

ESA’s Proba-3 Mission Set for Launch

The European Space Agency’s (ESA) Proba-3 mission is ready for its upcoming launch, scheduled for November 29, by the Indian Space Research Organisation (ISRO) from the Satish Dhawan Space Centre.

Credit : ESA

Mission Objective – Artificial Solar Eclipse

The dual-satellite mission aims to create an artificial solar eclipse in space, enabling prolonged observation of the Sun’s corona, which has not been possible with previous missions.

Credit : ESA

Innovative Formation Flying

Proba-3 will involve two satellites flying in precise formation. One satellite will block the Sun’s disk, creating a shadow on the other, which will observe the Sun’s outer atmosphere.

Credit : ESA

Final Test Before Launch

The mission successfully completed its final System Validation Test (SVT) in Belgium. During the 12-hour simulation, the spacecraft received commands and transmitted data as it would during its orbital operation.

Credit : ESA

Test Simulated Key Orbit Phase

The test focused on the six-hour window around the mission’s apogee in its highly elliptical 19.5-hour orbit. This is the phase where the formation flying and solar corona observations will take place.

Credit : ESA

Commands from Ground Teams

The Royal Observatory of Belgium sent payload operation requests to ESA’s control center, which transmitted commands to the satellites, proving the readiness of the mission’s operational chain.

Credit : ESA

Mission Automation

Proba-3 is highly automated, with its ground and flight systems designed for smooth data transmission and in-flight flexibility, particularly to respond to solar events.

Credit : ESA

Shipping and Launch Timeline

With testing complete, the Proba-3 satellites will be shipped to India on October 21 for the launch on November 29 aboard ISRO’s PSLV-XL launcher. The mission is part of ESA’s efforts to push the limits of space technology and solar science.

Credit : ESA