EOS-10

Oceansat-3A

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

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]}

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]}

References

1. "Oceansat 3, 3A". Gunter's Space Page. Retrieved 2019-12-09.
2. "CEOS EO Handbook – AGENCY SUMMARY - ISRO". CEOS . October 2022. Retrieved 1 December 2022.
3. "WMO OSCAR | Satellite: OceanSat-3A". space.oscar.wmo.int. Retrieved 2025-11-26.
4. "Oceansat-3 - eoPortal". www.eoportal.org. 5 December 2022. Retrieved 9 November 2023.
5. "EOS-10 & IMJS | PSLV-CA | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-16.
6. "Oceansat-3A | PSLV-XL | Next Spaceflight". nextspaceflight.com. Retrieved 2025-11-16.
7. "ISRO plans four major satellite launches this year". The Tribune. Retrieved 2025-11-26.