// ORBITAL LOGISTICS AND PROPULSION TERM

LEOLEO Transfer

LEO-LEO Transfer describes the process of moving a satellite from one Low Earth Orbit (LEO) to another different LEO.

TECHNICAL DEFINITION

LEO-LEO Transfer refers to the orbital maneuver of relocating a spacecraft from an initial Low Earth Orbit (LEO) to a different target LEO, typically involving propulsive burns to change altitude, inclination, or phasing.

SYNONYMS & ALIASES

  • LEO transfer
  • inter-LEO transfer

USAGE NOTE

LEO-LEO transfers are common for constellation deployment or repositioning satellites within a LEO network.

DEVELOPERS

Organizations developing technology related to LEOLEO Transfer.

  • Momentus

    Develops and operates Vigoride orbital transfer vehicles (OTVs) designed to move satellites between different low Earth orbits (LEO) or from LEO to other orbital regimes.

  • Exotrail

    Provides electric propulsion systems and 'space tugs' (ExoTransfer) for in-orbit satellite transportation, enabling efficient LEO-LEO and LEO-MEO transfers.

  • D-Orbit

    Offers in-orbit transportation services with its ION Satellite Carrier, which precisely deploys multiple satellites into custom LEO orbital slots after a single launch, effectively performing LEO-LEO transfers for its hosted payloads.

  • Astroscale

    Specializes in in-orbit servicing and space debris removal, which involves advanced rendezvous, proximity operations, and docking capabilities essential for LEO-LEO transfers, including repositioning or de-orbiting objects.

  • Orbit Fab

    Developing in-orbit refueling infrastructure and services, which are critical for extending the operational life of LEO satellites and enabling more complex LEO-LEO maneuvers without depleting onboard propellant.

  • Northrop Grumman (SpaceLogistics)

    While primarily known for GEO-based Mission Extension Vehicles (MEV), their expertise in in-space servicing, rendezvous, and propulsion is highly relevant and adaptable to future LEO-LEO transfer and servicing operations.

  • SpaceX

    Operates the Starlink constellation, which requires complex LEO-LEO maneuvers for satellite deployment and maintenance. Their Starship vehicle is also designed for in-orbit refueling, enabling extensive LEO-LEO and beyond-LEO transfers.

  • Impulse Space

    Developing orbital transfer vehicles (OTVs) like 'Mira' to provide last-mile delivery services for satellites, enabling precise orbital insertions and transfers within LEO and to higher orbits from LEO.

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