ladee laser communications
LADEE employs a high-heritage science instrument payload, including a neutral mass spectrometer, an ultraviolet spectrometer, and an in-situ dust sensor. NASA has just finished the testing and integration of its first high-data-rate laser communications system for the Lunar Atmosphere and Dust Environment Explorer (LADEE).
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Laser communications may be a boon for space exploration, but far more earthly pursuits will determine its fate as a commercial technology. LADEE is a small spacecraft launching on a Minotaur V rocket in September 2013. LADEE's Lunar Laser Communication Demonstration (LLCD) pulsed laser system conducted a successful test on October 18, 2013, transmitting data between the spacecraft and its ground station on Earth at a distance of 385,000 kilometres (239,000 mi). Mission Updates Mission & Trajectory Design Using a suite of three instruments, LADEE studies the density, composition and spatial as well as temporal variability of the lunar exosphere to probe its origin and study its response to phenomena like solar wind. LADEE's Lunar Laser Communication Demonstration (LLCD) pulsed laser system conducted a successful test on October 18, 2013, transmitting data between the spacecraft and its ground station on Earth at a distance of 385,000 kilometres (239,000 mi).
The Laser Communications Relay Demonstration (LCRD) is a NASA mission that will test laser communication in space for extremely long distances. A new NASA-developed, laser-based space communication system will enable higher rates of satellite communications similar in capability to high-speed fiber optic networks on Earth. Lunar Laser Communications Demo [10], Lunar Atmosphere and Dust Environment Explorer, "Laser Comm: That's a Bright Idea (video)", Laser Communications Relay Demonstration (LCRD) Overview, NASA GAO Assessment of major projects 2018, "NASA Laser System Sets Record with Data Transmissions From Moon", "Lunar Laser Communication Demonstration Reveals Bright Future For Space Communication", "Making the Case for a Mission to the Martian Moon Phobos", Overview of the Laser Communications Relay (from SpaceOps 2012 Conference by LCRD Co-PI's), Goddard Institute for Space Studies (GISS), Independent Verification and Validation Facility (IV&V), Columbia Scientific Balloon Facility (CSBF), Solar and Heliospheric Observatory (SOHO), Tracking and Data Relay Satellite System (TDRS), Commercial Orbital Transportation Services, https://en.wikipedia.org/w/index.php?title=Laser_Communications_Relay_Demonstration&oldid=970036396, Creative Commons Attribution-ShareAlike License, Christyl Johnson (Deputy Director, Technology and Research Investments), This page was last edited on 28 July 2020, at 21:11. Take, for example, Wall Street's emerging breed of high-speed traders who leverage the power of quantitative analysis, the speed of premium broadband and a multiplicity of microtransactions to pile up earnings one fractional penny at a time. Ground Segment Back here on Earth, however, we never thought we'd get bandwidth-envy this far out in the sticks. LADEE is a small spacecraft launching on a Minotaur V rocket in September 2013. The mission also attempts to examine the abundance and variability of dust particles that may be present in the exosphere. Launch Info [1], It is integrated into STPSat 6, part of STP-3, currently due to launch in 2021.
[2], The LCRD mission was selected for development in 2011, with launch on board a commercial satellite scheduled for 2019. It's not just about upping the data rate, though, as other challenges include keeping that signal good through conditions your ISP (thankfully) won't normally have to consider, such as pin-point accuracy over 238,900 miles while moving through space. Once in orbit, LADEE completes about 40 days of commissioning before starting a 100-day planned science mission that can be extended should LADEE have enough propellants. Launch Vehicle Overview. © 2020 Verizon Media. [3] The technology demonstration payload will be positioned above the equator, a prime location for line-of-sight to other orbiting satellites and ground stations. LADEE, the Lunar Atmosphere and Dust Environment Explorer, will explore the Moon’s thin exosphere and dust environment to answer long standing questions on the formation and evolution of exospheres which will also help understand planetary bodies with exospheres. NMS (Neutral Mass … Archived Launch Coverage In addition to these scientific objectives, LADEE serves as a testbed for new technology – being the first spacecraft based on NASA’s Modular Common Spacecraft Bus that is expected to carry a variety of payloads in the future. [8][9] It has also been proposed as payload for the Phobos And Deimos & Mars Environment (PADME) orbiter. This test set a downlink record of 622 megabits per second (Mbit/s) from spacecraft to ground, and an "error-free data upload rate of 20 Mbps" from ground station to spacecraft.
Making its maiden voyage, Minotaur V delivers LADEE to a 25-day trans-lunar trajectory before Lunar Orbit Insertion takes place.
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