---
title: "How many Days was Chandrayaan-1 Operational?"  
description: "How many Days was Chandrayaan-1 Operational?"  
author: "Lily Chitlangiya"  
published: 2021-11-18  
canonical: https://answers.mindstick.com/qa/94144/how-many-days-was-chandrayaan-1-operational  
category: "space technology"  
tags: ["space science", "space programs"]  
reading_time: 2 minutes  

---

# How many Days was Chandrayaan-1 Operational?

How many Days was Chandrayaan-1 [Operational](https://answers.mindstick.com/qa/115992/strategies-for-operational-inertia)?

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## Answers

### Answer by Sanjay Goenka

Chandrayaan -1 was **[operated 312 Days at work](https://en.wikipedia.org/wiki/Chandrayaan-1)**. It was objected for the **2 years** but the mission **achieved most of its scientific objectives.** \
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![How many Days was Chandrayaan-1 Operational?](https://answers.mindstick.com/questionanswer/00c97a2b-b2f1-4a9f-a148-b31c97604779/images/53a138d6-a366-42b0-93dd-5121697431de.jpeg)\
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**[Chandrayaan](https://www.isro.gov.in/update/17-jul-2009/chandrayaan-1-spacecraft-completes-3000-orbits-around-moon)** [-1](https://www.isro.gov.in/update/17-jul-2009/chandrayaan-1-spacecraft-completes-3000-orbits-around-moon) was the **first mission of India to the Moon**, **launched on October 22, 2008**, from the [Satish Dhawan Space Center (SDSC)](https://answers.mindstick.com/qa/52126/where-is-satish-dhawan-space-research-centre-in-india) from Sriharikota. It has its successful operation and completed **nearly 3000 revolutio**ns around the moon. And also **sent nearly 70, 000 images** of the lunar surface and provided breathtaking views of the lunar Mountains and creators. \
Chandrayaan-1 also collected valuable data related to the **chemical and mineral content of the Moon**. Its orbit was **raised from 100 km to 200 km** circular **on 19 May 2019**, the object of determining the **orientation of the spacecraft,** which was carried out by the onboard star sensor, started to malfunction on **April 26, 2009**. The ISRO devised a new technique to overcome this issue and used the redundant sensors **‘[gyroscopes](https://www.britannica.com/technology/gyroscope)**’ along with antenna pointing information and images of the specific location of the surface of the Moon, for determining the orientation of the spacecraft. \
Important **specification of the Chandrayaan -1** \
Mass – it was **1380 km** at launch and **675** kg at lunar orbit, and **523 kg** after releasing the impactor. \
**Dimensions** Having the shape of **cuboid and approx. 1.5 meters.** \
**Payload** – the scientific **payload is 90 kg** and has **5 Indian instruments** and **6 foreign instruments.** \
**Power** – the main power source of the spacecraft is its **solar array**. Which covers a total **area of 2.15 into 1.8 m.** And generate a total **power of 750 W of peak power** and is stored in **a 36 A-h Lithium-Ion Battery** \
**Navigation and control**\
The craft was **3 Axis stabilized sensors** with **two-star sensors**, **gyros,** and four reaction wheels, a **dual redundant bus management** unit for altitude control, sensors for processing, and **antenna orientation.** \


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Original Source: https://answers.mindstick.com/qa/94144/how-many-days-was-chandrayaan-1-operational

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