Asteroid 1999 AN10 (Gog) — Near-Earth Asteroid Information

Welcome to 1999AN10.com — the most comprehensive resource on near-Earth asteroid (137108) 1999 AN10, informally known as "Gog".

What is Asteroid 1999 AN10 (Gog)?

Asteroid 1999 AN10 is a Potentially Hazardous Asteroid (PHA) approximately 800 meters in diameter, discovered on January 13, 1999, by the LINEAR project. It is also referred to as Gog, an informal nickname from internet discussions connecting it to the biblical figure. The asteroid will make its closest approach to Earth on August 7, 2027, passing at approximately 389,861 km (~1.01 lunar distances). There is no risk of collision.

Key Facts about 1999 AN10

Designation: (137108) 1999 AN10
Nickname: Gog
Diameter: ~800 meters (range: 500m–1.2km)
Orbital Period: 1.78 years
2027 Close Approach: August 7, 2027 — ~389,861 km from Earth
Velocity at Approach: ~26.28 km/s (94,608 km/h)
Discovery: January 13, 1999 by LINEAR
Classification: Near-Earth Object (NEO), Potentially Hazardous Asteroid (PHA)

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Why is asteroid 1999 AN10 called Gog?

The nickname "Gog" originated from internet discussions connecting the asteroid to the biblical figure of Gog from the Book of Ezekiel (chapters 38-39). This name has no official scientific standing. The asteroid is officially designated (137108) 1999 AN10 by the International Astronomical Union.

Is asteroid 1999 AN10 (Gog) dangerous?

While classified as a Potentially Hazardous Asteroid due to its size (~800m) and orbital proximity, current orbital calculations from NASA JPL and ESA show no possibility of Earth impact in 2027 or any subsequent century. The classification triggers enhanced monitoring, not an impact prediction.

Data Sources

All data is sourced from: NASA, ESA, JPL Small-Body Database, and the Minor Planet Center.