Syllabus: GS-III
Subject: Science & Technology
Topic: Space Technology
Issue: Cartosat-2
Context: Cartosat-2, ISRO’s high-resolution imaging satellite for urban planning, deorbited after 17 years.
Synopsis:
- It provided high-resolution images for urban planning until 2019.
- Initially estimated 30-year natural de-orbiting, but perigee lowered to 130 km in 2020 for safe disposal.
- Coordinated de-orbiting exercise by the ISRO team in Bengaluru to reduce collision risks.
| Cartosat satellites
·        It are utilized for earth observation, primarily for detailed mapping of the Earth’s surface using high-resolution cameras. ·        They play a crucial role in identifying alterations in natural or man-made features, as their cameras can capture continuous spot       images by scanning back and forth. |
