# Altair

> planned lunar lander component of NASA's cancelled Project Constellation

**Wikidata**: [Q383080](https://www.wikidata.org/wiki/Q383080)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Altair_(spacecraft))  
**Source**: https://4ort.xyz/entity/altair

## Summary
Altair was a planned lunar lander component of NASA's cancelled Project Constellation, intended to transport astronauts to the Moon's surface. It was part of the Lunar Surface Access Module (LSAM) and was designed to work with the Altair solid-propellant rocket stages. The project was abandoned in 2010 due to budget constraints.

## Key Facts
- **Type**: Lunar lander (planned)
- **Aliases**: Lunar Surface Access Module (LSAM)
- **Country**: United States
- **Operator**: National Aeronautics and Space Administration (NASA)
- **Part of**: Constellation program
- **Status**: Abandoned (cancelled in 2010)
- **Related stages**: Altair 1, Altair 1A, Altair 2A, Altair 3
- **Preceded by**: Burner 2 (American upper rocket stage)
- **Parent stage**: STAR 25 (American solid-propellant rocket stage)
- **Wikipedia title**: Altair (spacecraft)
- **Wikidata description**: Planned lunar lander component of NASA's cancelled Project Constellation

## FAQs
### Q: What was Altair's role in NASA's Constellation program?
A: Altair was a planned lunar lander designed to transport astronauts to the Moon's surface as part of NASA's Constellation program. It was intended to work with the Altair solid-propellant rocket stages.

### Q: Why was Altair cancelled?
A: Altair was cancelled in 2010 due to budget constraints as part of the broader cancellation of NASA's Constellation program.

### Q: What were the different versions of Altair?
A: The different versions of Altair included Altair 1, Altair 1A, Altair 2A, and Altair 3, all of which were solid-propellant rocket stages.

### Q: What was the relationship between Altair and the STAR 25 stage?
A: Altair was part of the STAR 25 (American solid-propellant rocket stage), which served as its parent stage.

### Q: What was the significance of Altair in lunar exploration?
A: Altair was significant as it represented NASA's planned approach to lunar surface access, though the project was ultimately abandoned.

## Why It Matters
Altair was a critical component of NASA's Constellation program, which aimed to return humans to the Moon by 2020. The Altair lunar lander was designed to provide a safe and efficient means of transporting astronauts from lunar orbit to the Moon's surface. However, due to budget constraints and shifting priorities, the Constellation program was cancelled in 2010, and Altair never reached operational status. Despite its cancellation, Altair's development provided valuable insights into lunar landing technology and contributed to the broader field of space exploration. Its legacy lives on in subsequent NASA initiatives, such as the Artemis program, which aims to return humans to the Moon.

## Notable For
- **Planned lunar lander**: Altair was designed to be the primary vehicle for transporting astronauts to the Moon's surface.
- **Part of Constellation program**: It was a key element of NASA's broader lunar exploration efforts.
- **Solid-propellant stages**: The Altair lander was supported by multiple solid-propellant rocket stages, including Altair 1, Altair 1A, Altair 2A, and Altair 3.
- **Abandoned due to budget constraints**: The cancellation of Altair marked the end of NASA's Constellation program, which had faced significant financial challenges.

## Body
### Overview
Altair was a planned lunar lander component of NASA's Constellation program, designed to transport astronauts to the Moon's surface. It was part of the Lunar Surface Access Module (LSAM) and was intended to work with the Altair solid-propellant rocket stages. The project was abandoned in 2010 due to budget constraints.

### Development and Design
Altair was developed as part of NASA's broader efforts to return humans to the Moon. It was designed to be a versatile and reliable lunar lander, capable of supporting multiple missions. The lander was supported by several solid-propellant rocket stages, including Altair 1, Altair 1A, Altair 2A, and Altair 3.

### Cancellation and Legacy
Despite its potential, Altair was cancelled in 2010 as part of the broader cancellation of NASA's Constellation program. The decision was influenced by budget constraints and shifting priorities. However, the development of Altair provided valuable insights into lunar landing technology and contributed to the broader field of space exploration. Its legacy lives on in subsequent NASA initiatives, such as the Artemis program, which aims to return humans to the Moon.

### Related Technologies
Altair was related to several other technologies and projects, including the Burner 2 upper rocket stage and the STAR 25 solid-propellant rocket stage. These components were integral to the overall design and operation of the Altair lander.

## Schema Markup
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  "@type": "Thing",
  "name": "Altair",
  "description": "Planned lunar lander component of NASA's cancelled Project Constellation",
  "sameAs": [
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  "additionalType": "LunarLander"
}

## References

1. Freebase Data Dumps. 2013