ISRO’s first Venus Mission
Context:
Recently, ISRO planned its first Venus mission- the Venus Orbiter Mission (VOM), to be launched in March 2028. The mission also was approved by the Union Cabinet.
Relevance:
GS-03 (Science and technology)
Highlights:
- The launched is scheduled on March 29, 2028.
- It is estimated that it will take 112 days to reach Venus, with an expected arrival date of July 19, 2028.
About the mission:
- The Venus Orbiter Mission (VOM), also known as Shukrayaan, is a mission to study the atmosphere of Venus.
- The spacecraft will be launched aboard Launch Vehicle Mark-3 (LVM-3).
- Upon arrival, the spacecraft will enter a 500 km x 60,000 km elliptical orbit around Venus.
- After 6-8 months, ISRO will use aerobraking techniques to gradually bring the spacecraft into a 200 km x 600 km low-altitude science orbit. This phase will last for five years, enabling detailed studies of the planet.
- Aim: The mission aims to study Venus’s atmosphere, surface, and its interaction with the Sun.
- Key goals include:
- Solar irradiance and solar wind interaction
- Dust examination in Venus’s atmosphere.
- High-resolution mapping of the planet’s topography.
- Study of the solar X-ray spectrum near Venus.
- Analysis of Venusian airglow and subsurface characteristics.
- Payloads: The mission will carry 19 payloads in total—16 Indian payloads, two collaborative payloads involving Indian and international partners, and one international payload.
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