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First Steps Toward a Fully Operational LEO PNT Payload - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design

The payload will augment existing GNSS constellations with additional navigation signals from LEO, while relying on GNSS for orbit determination and time synchronization. FLORIAN KUNZI, BENJAMIN BRAUN, MARKUS MARKGRAF, OLIVER MONTENBRUCK, GERMAN AEROSPACE CENTER (DLR) / GERMAN SPACE OPERATIONS

United statesSeptentrio asterx mWalter freseFlorian kunziMarkus markgrafOliver montenbruckBenjamin braunNavigation groupInstitute of navigationAdvances in space researchGroup of the internationalCommunication technologyInternational celestial reference frameJournal of the institute navigationTransactions on aerospaceTechnical university of munich

NASA Pinpoints Clogged Propellant Lines as the Cause of Lunar Flashlight s End

NASA Pinpoints Clogged Propellant Lines as the Cause of Lunar Flashlight s End
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United statesCeleste smithPropulsion laboratoryNathan cheekAnnual small satellite conferenceLunar flashlightGeorgia techHail mary

NASA Pinpoints Clogged Propellant Lines as the Cause of Lunar Flashlight s End

After NASA’s Moon-faring, water-hunting probe faced an untimely demise before it was ever able to reach its final destination, mission scientists have officially declared that clogged propellant lines led to the mission’s failure.

United statesCeleste smithPropulsion laboratoryNathan cheekAnnual small satellite conferenceLunar flashlightGeorgia techHail maryRopellant linesUntimely demise

NASA Blames Clogged Lines for Moon Probe s End

Scientists behind the Lunar Flashlight believe titanium particles got lodged in three of four propellant lines, severely reducing the probe's thrust.

United statesCeleste smithPropulsion laboratoryNathan cheekAnnual small satellite conferenceLunar flashlightGeorgia techHail maryExploration of the moonEcondary payloadsIn spaceflightLunar icecubeCeleste smithUnited statesNathan cheek

Clogged propellant lines doomed NASA lunar cubesat mission

A NASA lunar cubesat mission failed to go into orbit around the moon earlier this year when debris blocked propellant lines for the spacecraft’s thrusters.

United statesCeleste smithChris bakerPropulsion laboratorySpace technology mission directorateLunar flashlightAnnual small satellite conferenceNathan cheekSpace launch systemTechnology mission directorate