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Periodic, three-dimensional orbit
Halo orbit A halo orbit is a periodic, non-planar orbit associated with one of the L1, L2 or L3 Lagrange points in the three-body problem of orbital mechanics
Halo_orbit
Periodic, three-dimensional orbit
In orbital mechanics a near-rectilinear halo orbit (NRHO) is a halo orbit that passes close to the smaller of two bodies and has nearly stable behavior
Near-rectilinear_halo_orbit
Cancelled lunar orbital space station
missions, which could not independently depart from low lunar orbit. A near-rectilinear halo orbit was selected, which reduced propulsion requirements. Gateway
Lunar_Gateway
Equilibrium points near two orbiting bodies
launched Euclid, also occupy orbits around L2. Gaia keeps a tighter Lissajous orbit around L2, while Euclid follows a halo orbit similar to JWST. Each of
Lagrange_point
co-orbit with the planet. See asteroids 3753 Cruithne and 2002 AA29. Libration point orbits such as halo orbits and Lissajous orbits: These are orbits around
List_of_orbits
Maintenance of a particular orbit
counteracted. For spacecraft in a halo orbit around a Lagrange point, station-keeping is even more fundamental, as such an orbit is unstable; without an active
Orbital_station-keeping
Geocentric orbit with an altitude entirely above that of a geosynchronous orbit
halo orbits, orbits around the Sun-Earth Lagrange points, with orbits increasingly being heliocentric, co-orbiting with Earth the Sun before orbits go
High_Earth_orbit
Quasi-periodic orbital trajectory
perpendicular to it. Halo orbits also include components perpendicular to the plane, but they are periodic, while Lissajous orbits are usually not. In
Lissajous_orbit
Earth-Sun observations.) The Solar and Heliospheric Observatory (SOHO) in a halo orbit around L1 to investigate of the outer layer of the Sun, making observations
List of objects at Lagrange points
List_of_objects_at_Lagrange_points
Video game series
Halo is an American military science fiction video game series and media franchise, originally developed by Bungie and currently managed and developed
Halo_(franchise)
Orbit of an object around the Moon
stable orbits in the lunar vicinity, such as halo orbits and distant retrograde orbits. Some halo orbits remain over particular regions of the lunar surface
Lunar_orbit
Spaceflight operation
like the Earth–Moon system. (For example, NASA used a halo orbit for the CAPSTONE mission.) Low orbits are trajectories deep within the 'gravitational well'
Orbit_insertion
India's first solar observation mission
other Indian Space Research Institutes. It is orbiting at about 1.5 million km from Earth in a halo orbit around the Lagrange point 1 (L1) between the
Aditya-L1
Type of spacecraft orbit
low-energy cislunar orbit transfers between a near-rectilinear halo orbit (NRHO) and a distant retrograde orbit (DRO) and orbit maintenance for a period
Distant_retrograde_orbit
NASA satellite to test the Lunar Gateway orbit
was scheduled to orbit for six months. On 18 May 2023, it completed its primary mission to orbit in the near-rectilinear halo orbit for six months, but
CAPSTONE
Hypothetical satellite which would use a solar sail to modify its orbit
term "halo orbit" (not to be confused with the type of halo orbit discovered by Robert Farquhar). Subsequently, the terms "non-Keplerian orbit" and "artificial
Statite
Lunar lander variant of SpaceX Starship
Earth orbit, where it will be refueled by multiple Starship tanker spacecraft before boosting itself into a lunar near-rectilinear halo orbit (NRHO)
Starship_HLS
Transfer manoeuvre between two orbits
transfer Delta-v budget Geostationary transfer orbit Halo orbit Lissajous orbit List of orbits Orbital mechanics Walter Hohmann, The Attainability of
Hohmann_transfer_orbit
NASA infrared space telescope
is currently unknown. By February 2016, it had been decided to use a halo orbit around L2. The project is led by a team at NASA's Goddard Space Flight
Nancy Grace Roman Space Telescope
Nancy_Grace_Roman_Space_Telescope
Satellite that orbits a natural satellite
November 14, 2022. It has spent over 2 years in the Moon's Near-rectilinear halo orbit. CAPSTONE is testing and verifying the viability of the planned NRHO of
Subsatellite
Topics referred to by the same term
Look up HALO, Halo, halo, or halo- in Wiktionary, the free dictionary. HALO, halo, halos or haloes may refer to: Halo (optical phenomenon), with ice crystals
Halo
2019 Chinese lunar lander & rover
2019. A communication relay satellite, Queqiao, was first launched to a halo orbit near the Earth–Moon L2 point in May 2018. The robotic lander and Yutu-2
Chang'e_4
2009 video game
Command Marines, known as "Orbital Drop Shock Troopers" or ODSTs, during and after the events of Halo 2 and before the events of Halo 3. In the game's campaign
Halo_3:_ODST
Chinese lunar communications satellite
types of orbits near the equilibrium points, include Lyapunov orbits, halo orbits, Lissajous orbits, and quasi-halo orbits. Lyapunov orbits pass behind
Queqiao-1
List of launches of SpaceX's fully reusable Starship
achieve this by reusing both rocket stages, increasing payload mass to orbit, increasing launch frequency, creating a mass-manufacturing pipeline and
List_of_Starship_launches
Objects intentionally placed into orbit
satellites orbit other bodies (such as the Moon, Mars, and the Sun) or many bodies at once (two for a halo orbit, three for a Lissajous orbit). Earth observation
Satellite
American bassist (born 1963)
Immer (2006) Before Gardens After Gardens (2012) Digital Gardens (2014) Halo Orbit (2016/2017) Live (2003) Frances the Mute (2005) Scabdates (2005) Amputechture
Juan_Alderete
maintain its halo orbit, of which there is enough for at least ten years. It was announced in December 2021 that due to the accuracy of the orbital insertion
Timeline of the James Webb Space Telescope
Timeline_of_the_James_Webb_Space_Telescope
Spaceflight maneuver
pp. 209–210. Parrish, Nathan; et al. (5 Jan 2020). "Near Rectilinear Halo Orbit Determination with Simulated DSN Observations" (PDF). AIAA Scitech 2020
Lunar_orbit_rendezvous
Hemanth (6 January 2024). "ISRO's Aditya-L1 successfully placed in a halo orbit around L1 point". The Hindu. ISSN 0971-751X. Retrieved 6 January 2024
List_of_Solar_System_probes
Topics referred to by the same term
interpretations Near-rectilinear halo orbit, a highly-elliptical orbit around a Lagrangian point of a moon, that due to the moons orbital movement, will be nearly
Rectilinear
Video game character
the protagonist of the Halo video game series and its spin-off media. The character first appeared in the 2001 video game Halo: Combat Evolved, a science
Master_Chief_(Halo)
Spaceflight where spacecraft orbits an astronomical body
counteracted. For spacecraft in a halo orbit around a Lagrange point, station-keeping is even more fundamental, as such an orbit is unstable; without an active
Orbital_spaceflight
NASA/ESA/CSA space telescope launched in 2021
gravitational pull, a halo orbit is not an orbit in the usual sense: the spacecraft is actually in orbit around the Sun. The halo orbit can be thought of
James_Webb_Space_Telescope
Chinese lunar communications satellite
halo orbits around the Earth-Moon L1 and L2 were inherently unstable and requires the satellite to consumes 80 g (2.8 oz) of fuel for a small orbit correction
Queqiao-2
Low-energy trajectories in the Solar System
semi-stable orbit around each of these points, called a halo orbit. The orbits for two of the points, L4 and L5, are stable, but the halo orbits for L1 through
Interplanetary Transport Network
Interplanetary_Transport_Network
European space observatory
tracing out an elliptical halo orbit centred about L1.[disputed (for: definition of Halo orbit is incorrect) – discuss] It orbits L1 once every six months
Solar and Heliospheric Observatory
Solar_and_Heliospheric_Observatory
American scientist and aerospace engineer
theory applied to spacecraft trajectory design which led to the use of halo orbit in multiple NASA space missions. She is currently the Hsu Lo Distinguished
Kathleen_Howell
Quasiperiodic orbit around a Lagrange point
varieties of libration point orbits amenable to Lyapunov stability[clarification needed] are halo orbits and Lissajous orbits The James Webb Space Telescope
Libration_point_orbit
European visible and near-infrared space observatory, launched in 2023
destination, a halo orbit around the Sun-Earth second Lagrange point L2, at an average distance of 1.5 million kilometres beyond Earth's orbit. There the
Euclid_(space_telescope)
NASA satellite of the Explorer program
and the solar wind. ISEE-3 was the first spacecraft to be placed in a halo orbit at the L1 Earth–Sun Lagrange point. Renamed ICE, it became the first spacecraft
International Cometary Explorer
International_Cometary_Explorer
Type of co-orbital motion of a small orbiting body relative to a larger orbiting body
objects Halo orbit – Periodic, three-dimensional orbit Interplanetary Transport Network – Low-energy trajectories in the Solar System Lissajous orbit – Quasi-periodic
Horseshoe_orbit
Hemisphere of the Moon that always faces away from Earth
June 2018). "Chang'e-4 relay satellite enters halo orbit around Earth-Moon L2, microsatellite in lunar orbit". SpaceNews. Zegler, Frank; Kutter, Bernard
Far_side_of_the_Moon
Estimate of total change in velocity of a space mission
near-rectilinear halo orbit (NRHO) around the Moon. Spacecraft launched from Earth would have performed a powered flyby of the Moon followed by a NRHO orbit insertion
Delta-v_budget
orbit at 128,000 km. The inner boundary of the main ring, in contrast, appears to fade off slowly from 124,000 to 120,000 km, merging into the halo ring
Rings_of_Jupiter
Time an astronomical object takes to complete one orbit around another object
The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy
Orbital_period
Amount by which an orbit deviates from a perfect circle
value of 0 is a circular orbit, values between 0 and 1 form an elliptic orbit, 1 is a parabolic (escape orbit or capture orbit), and greater than 1 is
Orbital_eccentricity
Near-rectilinear halo orbit (NRHO)) Arrival: 14 November 2022 Institution: NASA Danuri (Korea Pathfinder Lunar Orbiter) Mission: Lunar Orbiter by the Korea
List of active Solar System probes
List_of_active_Solar_System_probes
Puerto Rican musician
Butcherettes (2015) (Moog bass, Moog synthesizer, percussion) Halo Orbit by Halo Orbit (2016/2017) Juárez, El Diario de. "Diario.mx: Últimas Noticias
Marcel_Rodríguez-López
NASA-led lunar exploration program
development. Certain program choices, including the use of a near-rectilinear halo orbit and long-term sustainability plans, have drawn criticism. Orion's first
Artemis_program
Relative directions of orbit or rotation
found in the galactic halo than in the galactic disk. The Milky Way's outer halo has many globular clusters with a retrograde orbit and with a retrograde
Retrograde and prograde motion
Retrograde_and_prograde_motion
21 August 2021. "Halo-Orbit Insertion of Aditya-L1 Successfully Accomplished". www.isro.gov.in. Retrieved 6 January 2024. "Mars Orbiter Mission Spacecraft"
List_of_ISRO_missions
X-ray space telescope
by Roscosmos on 13 July 2019 from Baikonur, and deployed in a 6-month halo orbit around the second Lagrange point (L2). It began collecting data in October
EROSITA
American producer and musician
Electric Honkey Kong (2011) With Linkin Park Recharged (2012) With Halo Orbit Halo Orbit (2016) With The Claypool Lennon Delirium The Monolith Of Phobos
Money_Mark
Indonesian telecommunications company
them are SIMPATI (previously Telkomsel PraBayar) and Telkomsel Halo (formerly kartuHalo). These brands differ on their payment model (prepaid vs. postpaid)
Telkomsel
Planned lunar exploration mission
side. The spacecraft consists of a 12-U CubeSat that will operate in a halo orbit around the L2 Lagrange point of the Earth-Moon system. It is an autonomus
LUMIO_(space_mission)
Planned lunar orbit satellite module
found in HALO's primary structure would likely have delayed delivery to July 2031. Several concepts for a habitation module for a lunar orbital outpost
Habitation and Logistics Outpost
Habitation_and_Logistics_Outpost
Planned lunar habitat module
for delivery of the module to the Lunar Gateway in its near-rectilinear halo orbit. "Artemis IV". European Space Agency. Retrieved 26 August 2023. Foust
Lunar_I-Hab
Large staged combustion rocket engine by Blue Origin
lander from a highly-elliptical, near-rectilinear halo orbit around the Moon to a low lunar orbit. The transfer element is in development by Lockheed
BE-7
Hypothetical spacecraft propulsion method
accretion disk. In operating a halo drive, the photons take energy away from the black hole binary, causing the orbit to become more eccentric. This would
Halo_drive
British engineer
variously known as the solar sail halo orbit, the statite, the artificial Lagrange point and the non-Keplerian orbit. He was then appointed as a lecturer
Colin_R._McInnes
extraterrestrial orbiters is a listing of spacecraft that achieved an extraterrestrial orbit. The first artificial object to orbit the sun is the Luna
List of extraterrestrial orbiters
List_of_extraterrestrial_orbiters
Proposed space probe
of solid-state detectors. The mission is designed to be deployed in a halo orbit about the Sun-Earth L2 Lagrange point. The Destiny proposal has been superseded
Joint_Dark_Energy_Mission
Russian–German observatory satellite
Lavochkin. The spacecraft entered an orbit around the Sun, circling the Sun-Earth L2 Lagrangian point in a halo orbit, about 1.5 million kilometres away
Spektr-RG
2009 real-time strategy video game
Halo Wars is a real-time strategy (RTS) video game developed by Ensemble Studios and published by Microsoft Game Studios for the Xbox 360 video game console
Halo_Wars
Reusable superheavy-lift general-purpose launch vehicle
would perform a trans lunar injection burn and enter a near-rectilinear halo orbit around the Moon, with a perilune of 1,500 km (930 mi) occurring over the
SpaceX_Starship
2015 European Space Agency spacecraft
parking orbit. From there it executed a short burn each time perigee was passed, slowly raising the apogee closer to the intended halo orbit around the
LISA_Pathfinder
US deep space exploration programs
low-energy trans-lunar trajectories and to demonstrate the near-rectilinear halo orbit (NRHO) intended to support lunar polar missions. The Commercial Lunar
List_of_Artemis_missions
Speed at which a body orbits around the barycenter of a system
the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around
Orbital_speed
Planned component of a Mars-mission craft
Gateway to lunar orbit and serve as the communications center of the Gateway. NASA originally planned to integrate PPE with the HALO module and launch
Power_and_Propulsion_Element
Chinese space satellites
technology verification experiments while flying in formation in lunar orbit. Satellite-to-ground laser ranging as well as intersatellite microwave ranging
Tiandu
Beginnings of the infrared astronomical observatory
years, with a goal of ten years. An L2 orbit is unstable, so JWST needs to use propellant to maintain its halo orbit around L2 (known as station-keeping)
Launch and commissioning of the James Webb Space Telescope
Launch_and_commissioning_of_the_James_Webb_Space_Telescope
American solar research spacecraft
than other Earth observation satellites. The spacecraft is in a looping halo orbit around the Sun–Earth Lagrange point L1 in a six-month period, with a
Deep Space Climate Observatory
Deep_Space_Climate_Observatory
First operational image from NASA's James Webb Space Telescope
infrared astronomy. Launched in December 2021, the spacecraft has been in a halo orbit around the second Sun–Earth Lagrange point (L2), about 1.5 million kilometers
Webb's_First_Deep_Field
American musician
for and recorded with other bands and solo artists, including Air, M83, Halo Orbit, ME & LP, Renaud-Gabriel Pion, Jam Da Silva, Dinho Ouro Preto, Anubian
Lisa_Papineau
Magnetic field within the Solar System
time by the Advanced Composition Explorer (ACE) satellite located in a halo orbit at the Sun–Earth Lagrange Point L1; since July 2016, it has been monitored
Interplanetary_magnetic_field
Proposed NASA space telescope
in a halo orbit around Sun-Earth L2, enabling high observing efficiency in a stable environment. Its maneuvers and operational procedures on-orbit are
Lynx_X-ray_Observatory
Fifth orbital flight of the Artemis program
space station that was planned to be established in Near-rectilinear halo orbit (NRHO) in December 2027, but was cancelled in early 2026, being remade
Artemis_V
2003 novel by Eric Nylund
Halo: First Strike is a military science fiction novel by Eric Nylund, based on the Halo series of video games. The book was released in December 2003
Halo:_First_Strike
Classical approach to the many-body problem of astronomy
geometrical terms. This is called a two-body problem, or an unperturbed Keplerian orbit. The differences between that and the actual motion of the body are perturbations
Perturbation_(astronomy)
Horizontal angle from north or other reference cardinal direction
Perturbations Sphere of influence N-body orbits Lagrangian points (Halo orbits) Lissajous orbits Lyapunov orbits Engineering and efficiency Preflight engineering
Azimuth
Curved path of an object around a point
mechanics, an orbit is the curved trajectory of an object under the influence of an attracting force. Alternatively, it is known as an orbital revolution
Orbit
Proposed far-infrared space observatory
featured a far-infrared spectrometer and was proposed to be deployed in a halo orbit around the L2 point. The design featured V-groove radiators and mechanical
SPICA_(spacecraft)
Type of neutron star with a strong magnetic field
Observatory, all orbiting Earth. Before exiting the Solar System, the radiation was detected by the International Sun–Earth Explorer in halo orbit. At the time
Magnetar
Telescopic attachment designed to block out the direct light from a star
environment. It will be positioned approximately 1.5 million km from Earth in a halo orbit around the L1 Lagrangian point between Earth and the Sun. The primary
Coronagraph
Part of the James Webb Space Telescope
Sun-facing side must be able to handle the thermal conditions of JWST's halo orbit, which has one side of continuous sunlight and the other shaded by the
Spacecraft bus (James Webb Space Telescope)
Spacecraft_bus_(James_Webb_Space_Telescope)
Concept in gravitational orbital mechanics
the vis-viva equation is one of the equations that model the motion of orbiting bodies. It is the direct result of the principle of conservation of mechanical
Vis-viva_equation
2007 video game
Halo 3 is a 2007 first-person shooter video game developed by Bungie for the Xbox 360 console. The third installment in the Halo franchise following Halo:
Halo_3
American rapper (born 1972)
Don't Kill Us". In 2017, Del was a guest artist on the debut album of Halo Orbit (a band featuring Juan Alderete, ex–Mars Volta and Mark Guiliana) on the
Del_the_Funky_Homosapien
Aditya-L1 spacecraft launched 5 months previously was inserted into a halo orbit around the Earth-Sun L1 point on 6 January. It will study the solar atmosphere
2024_in_spaceflight
Kepler orbit with an eccentricity of less than one
elliptical orbit or eccentric orbit is an orbit with an eccentricity of less than 1;[citation needed] this includes the special case of a circular orbit, with
Elliptic_orbit
American space and aeronautics agency
(JWST), launched in December 2021 on an Ariane 5 rocket, operates in a halo orbit circling the Sun-Earth L2 point. JWST's high sensitivity in the infrared
NASA
Movement during spaceflight
In spaceflight, an orbital maneuver (otherwise known as a burn) is the use of propulsion systems to change the orbit of a spacecraft. For spacecraft far
Orbital_maneuver
2003 novel by William C. Dietz
Halo: The Flood is a military science fiction novel by William C. Dietz, based on the Halo series of video games and based specifically on the 2001 video
Halo:_The_Flood
Trajectory of Earth around the Sun
Earth orbits the Sun at an average distance of 149.60 million km (92.96 million mi), or 8.317 light-minutes, in a counterclockwise direction as viewed
Earth's_orbit
Process that leads to gradual decrease of the distance between two orbiting bodies
Orbital decay is a gradual decrease of the distance between two orbiting bodies at their closest approach (the periapsis) over many orbital periods. These
Orbital_decay
Orbit to planetary surface attack with inert projectiles
Halo Wars and Halo Wars 2, the MAC is an ability that allows the player to utilize the UNSC Spirit of Fire's point-defense MAC for pinpoint orbital bombardment
Kinetic_bombardment
Major recurring characters of the Halo multimedia franchise are organized below by their respective affiliations within the series' fictional universe
List_of_Halo_characters
Gaff) — — Small World "One of These Days" (Halo Orbit featuring Del the Funky Homosapien) — — Halo Orbit "Lone Wolves" (Cas One vs. Figure featuring
Del the Funky Homosapien discography
Del_the_Funky_Homosapien_discography
Laws describing planetary orbits
astronomy, Kepler's laws of planetary motion give good approximations for the orbits of planets around the Sun. They were published by Johannes Kepler from 1609
Kepler's laws of planetary motion
Kepler's_laws_of_planetary_motion
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