halo orbit


Also found in: Wikipedia.

halo orbit

A very stable orbit in which the periods of the planar and vertical components are equal. Spacecraft orbiting a Lagrangian point, such as L1 or L2 in the Sun–Earth system, follow such an orbit.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
References in periodicals archive ?
According to the space agencies, the Gateway will follow a (https://www.esa.int/Our_Activities/Operations/Angelic_halo_orbit_chosen_for_humankind_s_first_lunar_outpost) near-rectilinear halo orbit .
The satellite has successfully entered a halo orbit around the second Lagrangian (L2) point of the earth-moon system, about 455,000 km from the earth.
A relay satellite, named Queqiao (Magpie Bridge), for Chang'e-4 has entered a Halo orbit around the second Lagrangian (L2) point of the Earth-Moon system, about 65,000 km from the Moon in June.
This means that by rendezvousing with the asteroid and holding a halo orbit in the appropriate direction, the ARM robotic spacecraft can slowly pull the asteroid without touching it.
Astronomers have discovered two exoplanets orbiting Kapteyn's Star, a nearby, dim M dwarf in a Milky Way Galaxy halo orbit that likely formed in another galaxy.
This Apollo-on-steroids vehicle would be lofted into a halo orbit about the Earth-moon Lagrange point L2.
McInnes [15] is the first person who applied the classical libration point orbit theory to generate the halo orbit around the on-axis sail's equilibrium.
The telescope will be in a very large 800,000 kilometres radius halo orbit around L2, and so will avoid any part of Earth's shadow.
With exactly the required parameters: halo orbit around the L-2 Earth Lagrange point.
He covers such fundamental maneuvering problems as halo orbit determination, rendezvous and orbital transfers as well.