GalaxEye launches Mission Drishti, India’s largest privately developed Earth observation satellite

Bengaluru-based spacetech startup GalaxEye Space successfully launched Mission Drishti on 3 May 2026 aboard a SpaceX Falcon 9 rocket from Vandenberg Space Fo...

What Happened

Bengaluru-based spacetech startup GalaxEye Space successfully launched Mission Drishti on 3 May 2026 aboard a SpaceX Falcon 9 rocket from Vandenberg Space Force Base, California.
Mission Drishti is India's largest privately developed Earth observation satellite at 190 kg and the world's first commercially operational satellite to integrate both a Synthetic Aperture Radar (SAR) sensor and a 7-band multispectral optical imager (MSI) on a single platform — a configuration GalaxEye calls OptoSAR.
The satellite has been placed in a Sun-synchronous Low Earth Orbit at an altitude of approximately 500 km and revisits the same point on Earth every 4 days.
The satellite offers a spatial resolution of 1.2 to 3.6 metres — the highest ground resolution offered by any Indian private Earth observation satellite to date.
Following commissioning and in-orbit testing, initial imagery is expected to be delivered to customers within a few weeks of launch.

Static Topic Bridges

Synthetic Aperture Radar (SAR) vs. Optical Imaging

Earth observation satellites collect data using two primary sensor families. Optical sensors capture reflected sunlight — essentially high-resolution cameras — and produce images highly intuitive to human analysts, but they are blocked by cloud cover and cannot see at night. SAR (Synthetic Aperture Radar) sensors actively emit microwave pulses and measure the reflected signal, allowing them to penetrate clouds, smoke, and darkness to image the surface below at all times and in all weather conditions.

SAR wavelengths commonly used: X-band (3 cm, high resolution), C-band (5.6 cm, weather penetration), L-band (23 cm, vegetation and soil penetration).
Optical satellites record visible and near-infrared light, enabling analysis of vegetation health (NDVI), water quality, urban heat islands, and land-use change.
The limitation of SAR is that interpreting its backscatter imagery is technically demanding; optical images are more directly usable for most applications.
The limitation of optical is cloud cover: over tropical regions such as India, cloud cover can block optical imaging for months at a time, particularly during the monsoon.

Connection to this news: Mission Drishti's OptoSAR payload solves the cloud-cover problem by co-locating both sensor types on the same satellite, ensuring that even when the optical sensor is obscured, the SAR sensor provides a usable image of the same target at the same time.

The OptoSAR Innovation

OptoSAR is GalaxEye's proprietary sensor architecture that fuses a high-resolution SAR sensor and a 7-band multispectral imager on a single satellite bus. When both sensors observe the same area simultaneously, their data can be fused algorithmically to produce analysis-ready images that combine the weather-immunity of SAR with the spectral richness of optical data — capabilities that previously required two separate satellites and post-processing to co-register.

This is the world's first commercial satellite to integrate SAR and MSI in a single operational platform.
7-band multispectral imaging captures data across visible, near-infrared, and shortwave-infrared bands — enabling applications such as crop health monitoring, water body mapping, mineral identification, and urban planning.
Spatial resolution: 1.2 to 3.6 metres — sufficient to distinguish individual vehicles, buildings, field boundaries, and small infrastructure.
Orbital altitude: approximately 500 km Sun-synchronous LEO; revisit frequency: every 4 days.
GalaxEye plans to scale to a constellation of 10 satellites by 2030, which would enable near-daily revisit frequency.

Connection to this news: The OptoSAR architecture represents a genuine technological first globally, positioning India's private space sector at the cutting edge of Earth observation methodology.

India's Private Space Sector and IN-SPACe

The Indian space sector was opened to private participation through a landmark Union Cabinet decision in June 2020. The Indian National Space Promotion and Authorisation Centre (IN-SPACe) was established as an autonomous, single-window regulatory body within the Department of Space to promote, authorise, and supervise space activities of non-governmental entities (NGEs).

IN-SPACe was announced in June 2020 as part of a broader space sector reform, transitioning India from a government-monopoly model to an open, competitive ecosystem.
IN-SPACe acts as a link between ISRO and private companies, facilitating access to ISRO facilities, technology transfer, and launch infrastructure.
The Space Activities Bill — being finalised — will provide a comprehensive statutory framework for private space operations in India.
Indian space startups have attracted significant domestic and foreign investment since 2020; the domestic space economy is projected to reach $44 billion by 2033 according to the Indian Space Association (ISpA).
Other notable Indian private space milestones: Skyroot Aerospace (first private Indian rocket launch, December 2022); Agnikul Cosmos (first privately developed semi-cryogenic engine test, 2024).

Connection to this news: Mission Drishti is a direct outcome of the 2020 space sector opening — GalaxEye is a product of the IN-SPACe framework, and its achievement demonstrates the maturing technical capability of India's private space ecosystem.

Earth Observation Applications and National Importance

Earth observation (EO) data from satellites has become critical infrastructure for a wide range of national functions — agriculture, disaster management, urban planning, defence and border surveillance, climate monitoring, and resource mapping. India currently relies heavily on ISRO's Cartosat and Resourcesat series for domestic EO needs, but commercial high-resolution data has historically been imported from foreign providers (e.g., Maxar, Airbus, Planet Labs).

Agriculture: satellite EO is used for crop area estimation, yield forecasting (used in the Fasal Bima Yojana framework), and drought assessment.
Disaster management: SAR satellites are essential for flood mapping because they can see through clouds — deployed by ISRO's RISAT series in every major Indian flood event.
Defence and border surveillance: high-resolution commercial EO data supplements military reconnaissance satellites; the ability to source from a domestic private provider reduces dependence on foreign data.
ISRO's National Remote Sensing Centre (NRSC) distributes EO data to government ministries, research institutions, and commercial users.
The Geospatial Data Promotion and Utilisation Policy (2021) liberalised the use of Indian geospatial data, enabling domestic private EO companies to operate and commercialise freely.

Connection to this news: Mission Drishti's combination of cloud-penetrating SAR and high-resolution optical imaging at 1.2 m resolution directly addresses India's most significant domestic EO gap — reliable all-weather, high-resolution imaging — reducing dependence on foreign satellite data for both civilian and defence applications.

Key Facts & Data

Launch date: 3 May 2026
Launch vehicle: SpaceX Falcon 9
Launch site: Vandenberg Space Force Base, California, USA
Satellite mass: 190 kg (India's largest privately developed EO satellite)
Orbital type: Sun-synchronous Low Earth Orbit (LEO), approximately 500 km altitude
Ground resolution: 1.2 to 3.6 metres (highest among Indian private EO satellites)
Revisit frequency: every 4 days (planned constellation of 10 satellites to enable near-daily revisit by 2030)
Multispectral bands: 7 bands (visible, near-infrared, shortwave-infrared)
World's first: commercial satellite integrating SAR and MSI (OptoSAR)
India's space sector opened to private participation: June 2020
IN-SPACe established: 2020, under the Department of Space
GalaxEye headquarters: Bengaluru, India