Esper Satellite Imagery

Esper Satellite Imagery is a Melbourne, Australia-based startup developing a commercial hyperspectral Earth observation constellation, targeting the mineral exploration, precision agriculture, and environmental monitoring markets with spectral resolution unavailable from conventional RGB or multispectral satellites.

Esper's microsatellites capture 217 distinct spectral bands spanning visible through shortwave infrared (SWIR) wavelengths — compared to 4-13 bands from commercial multispectral satellites like Planet or Airbus Spot — enabling identification of specific mineral signatures, vegetation stress indicators, and soil composition without ground sampling. This spectral density allows mining companies to conduct regional prospecting from orbit rather than expensive helicopter-borne hyperspectral surveys, dramatically reducing the cost of early-stage mineral exploration.

Esper prices access at approximately $1.50 per square kilometer, significantly undercutting airborne hyperspectral survey costs of $10-50 per km² while offering daily revisit capability over target areas once the constellation is operational. The company is developing a constellation of microsatellites in the 50-150 kg class, designed for rapid deployment on SpaceX Transporter rideshare missions. Esper has received backing from Australian venture capital and resources-sector investors aligned with the mining industry's need for lower-cost exploration data.

The company competes with HySpecIQ (USA), Satellogic's hyperspectral offering, and the German Aerospace Center's EnMap mission in the emerging commercial hyperspectral market, which analysts project will grow substantially as asteroid mining, critical mineral sourcing for battery supply chains, and agricultural productivity demands accelerate the need for precise ground composition data from orbit.