Chitral Astronomical Society

Chitral Astronomical Society

Skies over the Hindu Kush

Encyclopedia

Asteroid / Comet

Potentially Hazardous Asteroid (PHA)

Asteroid spectral class, dynamical population, or surface feature.

Potentially Hazardous Asteroid (PHA) — Asteroid spectral class, dynamical population, or surface feature. (Section: ASTEROIDS.)

Overview

Potentially Hazardous Asteroid (PHA) — Asteroid spectral class, dynamical population, or surface feature. (Section: ASTEROIDS.)

See also

C-type Asteroid

Asteroid spectral class, dynamical population, or surface feature.

S-type Asteroid

Asteroid spectral class, dynamical population, or surface feature.

M-type Asteroid

Asteroid spectral class, dynamical population, or surface feature.

B-type Asteroid

Asteroid spectral class, dynamical population, or surface feature.

D-type Asteroid

Asteroid spectral class, dynamical population, or surface feature.

E-type Asteroid

Asteroid spectral class, dynamical population, or surface feature.