About 10 results for (687170) 2011 QF99
en.wikipedia.org › (687170)_2011_QF99

(687170) 2011 QF99

(687170) 2011 QF99 is a minor planet from the outer Solar System and the first known Uranus trojan to be discovered. It measures approximately 60 kilometers (37 miles) in diameter, assuming an albedo of 0.05. It was first observed 29 August 2011...

Updated: September 6, 2026
en.wikipedia.org › Trojan_(celestial_body)

Trojan (celestial body)

In astronomy, a trojan is a small celestial body (mostly asteroids) that shares the orbit of a larger body, remaining in a stable orbit approximately 60° ahead of or behind the main body near one of its Lagrangian points L4 and L5. Trojans can share...

Updated: November 5, 2026
en.wikipedia.org › Exploration_of_Uranus

Exploration of Uranus

The exploration of Uranus has been limited to telescopic observations and a single spacecraft visit by NASA's Voyager 2, which made its closest approach to the planet on January 24, 1986. The spacecraft discovered 10 moons, studied Uranus's cold...

Updated: November 8, 2026
en.wikipedia.org › Uranus_trojan

Uranus trojan

A Uranus trojan is a small Solar System body that shares an orbit with Uranus and the Sun. Predicted in simulations earlier, two trojans have been discovered in Uranus’s Lagrangian point L4 (leading Uranus). (687170) 2011 QF99 was the first body to...

Updated: October 27, 2026
en.wikipedia.org › (636872)_2014_YX49

(636872) 2014 YX49

(636872) 2014 YX49 is a centaur and Uranus co-orbital, approximately 77 kilometers (48 miles) in diameter. Discovered by the Mount Lemmon Survey on November 21, 2006, it is the second known centaur on a tadpole orbit with Uranus, and the fourth...

Updated: September 6, 2026
en.wikipedia.org › Voyager_2

Voyager 2

Voyager 2 is a space probe launched by NASA on August 20, 1977, as a part of the Voyager program. It was launched on a trajectory towards the gas giants (Jupiter and Saturn) and enabled further encounters with the ice giants (Uranus and Neptune)....

Updated: November 4, 2026
en.wikipedia.org › (472651)_2015_DB216

(472651) 2015 DB216

(472651) 2015 DB216 is a centaur and Uranus co-orbital discovered on February 27, 2015, by the Mount Lemmon Survey. It is the second known centaur on a horseshoe orbit with Uranus, and the third Uranus co-orbital discovered after 2011 QF99 (a...

Updated: September 6, 2026
en.wikipedia.org › Co-orbital_configuration

Co-orbital configuration

In astronomy, a co-orbital configuration is a configuration of two or more astronomical objects (such as asteroids, moons, or planets) orbiting at the same, or very similar, distance from their primary; i.e., they are in a 1:1 mean-motion resonance....

Updated: September 1, 2026
en.wikipedia.org › List_of_objects_at_Lagrange_points

List of objects at Lagrange points

This is a list of known objects which occupy, have occupied, or are planned to occupy any of the five Lagrange points of two-body systems in space.

Updated: November 1, 2026
en.wikipedia.org › 83982_Crantor

83982 Crantor

83982 Crantor (provisional designation 2002 GO9) is a centaur in a 1:1 resonance with Uranus, approximately 60 kilometers (37 miles) in diameter. It was discovered on 12 April 2002, by astronomers of the Near-Earth Asteroid Tracking at the Palomar...

Updated: September 6, 2026