Space Current Affairs June 2026

All 5 Space updates published in June 2026, grouped into 3 subtopics. Each one carries the exam-relevant facts and its GK Bytes; open an update for the complete note with static GK.

Revising the whole month? The June 2026 current affairs capsule covers every section and has a free PDF.

ISRO & Indian Missions1 update

ISRO Hot-tests Indigenous Semi-cryogenic Engine

ISRO successfully hot-tested its indigenous semi-cryogenic engine power head at 175 tonnes of thrust at the Propulsion Complex, Mahendragiri (Tamil Nadu), validating about 90% of designed capacity for next-generation heavy-lift launch vehicles.

GK ByteSpace tech, launch vehiclesISRO HQ: BengaluruEstablished: 1969Chairman: V. Narayanan
24 Jun 2026Full note →

Satellites & Launches1 update

First GAGAN-guided Jet Landing at Udaipur

India conducted its first satellite-based GAGAN landing approach on a commercial jet (an IndiGo Airbus A320) at Udaipur Airport. GAGAN is the indigenous Satellite-Based Augmentation System jointly developed by ISRO and the Airports Authority of India.

GK ByteSci-tech, navigation systemsGAGAN by: ISRO + AAIType: Satellite-Based Augmentation System (SBAS)
1 Jun 2026Full note →

NASA & Global Space3 updates

ISS Spacewalk to Repair Canadarm2

NASA scheduled a spacewalk for 30 June 2026 to replace a wrist joint on the ISS's Canadarm2 robotic arm, with the EVA beginning around 8:35 a.m. EDT.

GK ByteSpace - ISS operationsCanadarm2: Canada's robotic arm on the ISSEVA: Extra-Vehicular Activity
30 Jun 2026Full note →

NASA Readies 'Swift Boost' Servicing Mission

NASA prepared the first-of-its-kind Swift Boost mission to raise the orbit of the ageing Neil Gehrels Swift Observatory, using a robotic servicer named LINK (by Katalyst Space) for the roughly $30 million orbit-raising rescue.

GK ByteSpace technology, satellite servicing
1 Jun 2026Full note →

NASA Roman Space Telescope Launch Advanced

NASA announced the Nancy Grace Roman Space Telescope is now targeted for launch on 30 August 2026 - about eight months ahead of schedule. It will fly on a SpaceX Falcon Heavy to the Sun-Earth L2 point to study dark energy and exoplanets.

GK ByteSpace scienceNASA HQ: Washington, D.C.Orbit: Sun-Earth L2 point
1 Jun 2026Full note →