24 Payloads: ISRO Expands Its POEM Capacity Threefolds

The Indian Space Research Organization (ISRO) is gearing up for a significant launch with its PSLV C-60 mission. Scheduled for 9:58 pm on 30th December, this mission aims to demonstrate in-space docking of two spacecraft. It will also carry 24 experimental payloads designed by start-ups and academic institutions from across India.

Among the payloads, Hyderabad-based N Space Tech is excited about launching its first payload, SwetchaSAT-Vx. This Ultra-high frequency (UHF) communication payload will enable communication between satellites and ground stations. "SwetchaSAT-10 represents our dedication to developing reliable satellite communication systems," said Divya Kothamasu, founder of N Space Tech.

Innovative Payloads and Start-Ups

The mission includes ten payloads from start-ups and academic institutions. Mumbai-based Manastu Space will launch VYOM-2U, a monopropellant offering a safer alternative to hydrazine. Bengaluru's RV College of Engineering plans a microbiological experiment with RVSAT-1, while students from Amity University in Mumbai aim to study plant growth in space.

ISRO has expanded the capacity of its PS-4 Orbital Experiment Module (POEM) threefold compared to previous missions. This module allows the final stage of the rocket to conduct microgravity experiments for up to three months instead of becoming space debris after deploying primary satellites.

Boosting Private Sector Participation

The private space sector in India has seen rapid growth since 2020, with start-ups increasing to nearly 266. The government informed Parliament that IN-SPACe has signed around 71 MoUs with private start-ups to support space systems and applications development. This initiative aims to boost industry participation in manufacturing launch vehicles and satellites.

Traditionally, launching payloads into space has been costly for smaller organisations due to high expenses. The POEM platform offers a cost-effective solution for budding space start-ups to conduct in-orbit experiments while focusing on innovation.

Details of the Mission

The PSLV C-60 mission will see the PS-4 stage re-started twice after separating the two primary spacecraft, each weighing 220 kg. This process will lower it to a 350 km circular orbit. Any remaining propellant will be used through the main engines for safety purposes.

The PS-4 stage will be powered by flexible solar panels and a 50Ah Lithium-ion battery. Out of the total 24 payloads, 14 are from various ISRO centres, including Vikram Sarabhai Space Centre and Space Physics Laboratory.