# Negai ☆"

> former Japanese student satellite

**Wikidata**: [Q5962115](https://www.wikidata.org/wiki/Q5962115)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Negai_(satellite))  
**Source**: https://4ort.xyz/entity/negai-q5962115

## Summary  
Negai ☆" was a Japanese student-built CubeSat developed by Sōka University as a technology demonstration spacecraft. Launched in 2010 aboard an H-IIA rocket, it operated briefly before re-entering Earth's atmosphere in June 2010.  

## Key Facts  
- **Launch Date**: May 20, 2010, at 21:58:22 UTC from Yoshinobu Launch Complex Launch Pad 1.  
- **Operator**: Developed and operated by Sōka University, a Japanese institution founded in 1971.  
- **Design**: A CubeSat, a miniaturized satellite built from 10cm cubic modules.  
- **Mission Duration**: Re-entered Earth's atmosphere on June 26, 2010, after 37 days in orbit.  
- **Launch Vehicle**: Carried to space by the H-IIA-17 rocket.  
- **COSPAR ID**: 2010-020C (shared with other payloads on the same launch).  
- **Purpose**: Technology demonstration for experimental spacecraft systems.  
- **Alternative Names**: Also referred to as Negai☆", Negai *", Negai*", or Negai-star.  

## FAQs  
### Q: What was the purpose of Negai ☆"?  
A: It was a student-built CubeSat designed to demonstrate experimental technologies in space, serving as a hands-on educational project for Sōka University.  

### Q: How long did Negai ☆" remain in orbit?  
A: It orbited Earth for 37 days before re-entering the atmosphere on June 26, 2010.  

### Q: Who developed Negai ☆"?  
A: The satellite was developed and operated by Sōka University, a Japanese university with a focus on student-led space projects.  

## Why It Matters  
Negai ☆" represents the growing role of academic institutions in space technology development. As a student-led CubeSat, it provided practical experience in satellite design, launch, and operations, contributing to Japan's broader efforts in fostering aerospace education. While its mission was short-lived, it demonstrated the viability of low-cost, miniaturized satellites for testing new technologies. Projects like Negai ☆" pave the way for future innovations in small satellite applications, from Earth observation to communications, while inspiring the next generation of engineers and scientists.  

## Notable For  
- **Student-Led Project**: Developed by Sōka University students, highlighting the role of academia in space technology.  
- **CubeSat Design**: Part of the growing trend of miniaturized satellites enabling affordable space missions.  
- **Short Mission Duration**: One of many early CubeSats with a brief operational lifespan, providing valuable data for future missions.  

## Body  
### Development and Launch  
- Developed by Sōka University as a technology demonstration CubeSat.  
- Launched on May 20, 2010, as a secondary payload aboard the H-IIA-17 rocket.  

### Mission Details  
- **Orbital Decay**: Re-entered Earth's atmosphere on June 26, 2010.  
- **Launch Site**: Yoshinobu Launch Complex Launch Pad 1 in Japan.  

### Technical Specifications  
- **Class**: CubeSat (miniaturized satellite).  
- **Purpose**: Experimental technology validation.  
- **Identifiers**: COSPAR ID 2010-020C, NSSDCA ID 2010-020C.  

### Legacy  
- Contributed to Japan's CubeSat program and student space initiatives.  
- Demonstrated the feasibility of low-cost, educational satellite projects.

## References

1. Jonathan's Space Report