EOS-10

EOS-10 (also known as Oceansat-3A) is an Earth observation satellite, which is the fourth satellite in the Oceansat series made by Indian Space Research Organisation (ISRO). It is planned to be launched in Q1 2026 using a PSLV rocket from Satish Dhawan Space Centre. The satellite aims to improve the existing remote sensing capabilities related to the field of oceanography.^[1][2][3]

Oceansat-3A

Image of Oceansat-3 (Oceansat-3A is similar)
Names	EOS-10 / Oceansat-3A
Mission type	Earth observation Oceanography
Operator	ISRO
Website	https://www.isro.gov.in/
Spacecraft properties
Spacecraft	OceanSat-3
Bus	IRS-1
Manufacturer	Indian Space Research Organisation
Launch mass	1,117 kg (2,463 lb)
Start of mission
Launch date	Q1 2026
Rocket	Polar Satellite Launch Vehicle, (PSLV-N1)
Launch site	Satish Dhawan Space Centre
Contractor	Indian Space Research Organisation
Orbital parameters
Reference system	Geocentric orbit
Regime	Sun-synchronous orbit
Instruments
Oceansat Scatterometer (OSCAT-3), The Ocean Colour Monitor (OCM-3), a Sea Surface Temperature Monitor (SSTM) and the ARGOS-4 data collection system
EOS series ← EOS-N1 Oceansat series ← Oceansat-3

Launch

Oceansat-3A will be launched from Satish Dhawan Space Centre in Q1 2026. It will be launched aboard a PSLV-XL rocket configuration, aboard the PSLV-N1 mission along with IMJS.^[4][5][6][7]