SpaceAtlas
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Total Objects
46,972
Near-Earth Objects
42,837
Potentially Hazardous
15
With Image
0
Guides
What Makes an Asteroid Potentially Hazardous
Not every near-earth asteroid is a threat. NASA applies three hard thresholds -
The Giant Planets' Trojans and the Asteroid Belt
More than a million asteroids live in the main belt between Mars and Jupiter. A
Comets: The Solar System's Ice Messengers
Of the thousands of catalogued comets, most live far beyond Neptune and only dip
What the Data Quality Column Actually Means
Every SpaceAtlas orbital record carries a quality flag and an observation count.
Reading the Orbits: Kepler Elements Made Simple
Asteroids and comets move on ellipses, and every ellipse can be pinned down by j
How Near-Earth Asteroids Are Classified
The four families of near-Earth asteroids - Apollo, Amor, Atira and Aten - are d
Categories
Largest Objects
Ceres
Diameter: 939 km
Vesta
Diameter: 522 km
Pallas
Diameter: 513 km
Hygiea
Diameter: 407 km
Interamnia
Diameter: 306 km
Europa
Diameter: 303 km
Davida
Diameter: 270 km
Euphrosyne
Diameter: 267 km
Near-Earth Objects
Ganymed
Perihelion: 1.243 AU
Don Quixote
Perihelion: 1.25 AU
Eros
Perihelion: 1.133 AU
Eric
Perihelion: 1.102 AU
Ivar
Perihelion: 1.123 AU
Sisyphus
Perihelion: 0.875 AU
53319
Perihelion: 0.976 AU
52762
Perihelion: 0.837 AU