Near-Earth Objects

Asteroids and comets near Earth from NASA's Center for Near Earth Object Studies.

Source: NASA JPL Small-Body Database (SSD) API License: Public domain (NASA) Last imported: 2025-06

This collection was imported by Knowledge Futures to demonstrate Underlay's data structuring capabilities. It is not maintained or endorsed by NASA.

Record Types

• Object — name, magnitude, estimated diameter, hazard classification, orbital parameters
• OrbitClass — NEO orbital classification (Apollo, Aten, Amor, Atira)
• CloseApproach — close approach date, velocity, miss distance, orbiting body