Astronomers Discovered Thin Atmosphere on Kuiper Belt Object 2002 XV93

Astronomers Discovered Thin Atmosphere on Kuiper Belt Object 2002 XV93

Astronomers initially identified a thin atmosphere surrounding the small trans-Neptunian object (612533) 2002 XV93 located in the Kuiper Belt. This discovery challenged previous assumptions that such small distant bodies could not retain atmospheres. The detection was made through observations including stellar occultation techniques.

Later, Japanese astronomers from the National Astronomical Observatory of Japan confirmed the presence of this unexpected atmosphere, marking the first such finding beyond Pluto. This discovery has significant implications for understanding atmospheric retention on small Kuiper Belt objects and may prompt revisions to existing theories about these distant solar system bodies.

Actors

Ko Arimatsu National Astronomical Observatory of Japan Astronomers

Locations

Kuiper Belt

Articles

May 05, 2026
2 total
Astronomers Detect Unexpected Atmosphere on Distant Kuiper Belt Object
Astronomers Detect Unexpected Atmosphere on Distant Kuiper Belt Object

Live Science • 05 May 20:38

Japanese astronomers have identified a thin atmosphere around (612533) 2002 XV93, a small trans-Neptunian object, challenging existing theories about atmospheric retention on such bodies.

Credibility 85% Manip. 5% Center
Astronomers Detect Atmosphere on Distant Trans-Neptunian Object
Astronomers Detect Atmosphere on Distant Trans-Neptunian Object

Space • 05 May 18:00

A thin atmosphere has been discovered around (612533) 2002 XV93, a small trans-Neptunian object, challenging previous assumptions about such bodies.

Credibility 90% Manip. 0% Center
May 04, 2026
3 total
Astronomers Detect Atmosphere on Distant Kuiper Belt Object
Astronomers Detect Atmosphere on Distant Kuiper Belt Object

CNN • 04 May 21:03

A thin atmosphere has been identified around (612533) 2002 XV93, a small trans-Neptunian object, challenging previous assumptions about atmospheric retention on such bodies.

Credibility 90% Manip. 5% Center
Astronomers Detect Atmosphere on Distant Kuiper Belt Object 2002 XV93
Astronomers Detect Atmosphere on Distant Kuiper Belt Object 2002 XV93

Yahoo • 04 May 15:02

Researchers have identified a thin atmosphere around 2002 XV93, a small trans-Neptunian object, marking the first such discovery beyond Pluto.

Credibility 90% Manip. 5% Center
Astronomers Detect Atmosphere on Distant Kuiper Belt Object
Astronomers Detect Atmosphere on Distant Kuiper Belt Object

AP News • 04 May 15:02

Researchers have identified a thin atmosphere around (612533) 2002 XV93, a small trans-Neptunian object, challenging previous assumptions about atmospheric presence on such bodies.

Credibility 93% Manip. 2% Center