# first cosmic velocity

> minimum speed needed for an object to reach a stable orbit around a primary body

**Wikidata**: [Q1962361](https://www.wikidata.org/wiki/Q1962361)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/First_cosmic_velocity)  
**Source**: https://4ort.xyz/entity/first-cosmic-velocity


## References

1. [Source](http://www.spaceacademy.net.au/watch/track/leopars.htm)
2. [Source](https://www.centennialofflight.net/essay/Dictionary/GEO_ORBIT/DI146.htm)