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HRSAT 1A, 1B, 1C

HRSAT (High Resolution Satellite) is an Indian satellite constellation consisting of three satellites in a single orbital plane.

A constellation of small satellites with sub meter resolution in PAN and a daily revisit capability has a great potential for commercial applications in large scale mapping, agriculture, urban planning, rural development, infrastructure development, Disaster management, etc.

The constellation will have daily revisit capability with 45 tilts. The HRSAT carries a panchromatic and multispectral imager (four bands). The visible bands have a 2-m ground sample distance (GSD) and the infrared band has a 4-m GSD. The payloads will have imaging capability of ~1 m Ground Sampling Distance (GSD) with 15 km swath in Panchromatic mode, 2 m / 4 m GSD in three band multi-spectral (Mx) mode with 15 km swath, and 20 m GSD in IR band with a swath of 6 km.

The three satellites were to be launched by a single PSLV into a 660 km Polar Sun Synchronous orbit in February 2019, but were delayed to late 2023. The current status of the mission is unclear.

Nation: India
Type / Application: Earth observation
Operator: ISRO
Contractors: ISRO
Equipment:
Configuration: Minisatellite-SSB (SSB-2) ?
Propulsion: ?
Power: Solar arrays, batteries
Lifetime:
Mass:
Orbit: 660 km, SSO
Satellite COSPAR Date LS Launch Vehicle Remarks
HRSAT 1A - 202x Sr FLP PSLV with HRSAT 1B, HRSAT 1C
HRSAT 1B - 202x Sr FLP PSLV with HRSAT 1A, HRSAT 1C
HRSAT 1C - 202x Sr FLP PSLV with HRSAT 1A, HRSAT 1B

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