lasercom.app
Free-space laser communications tools, and the sky they point at.
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The Orrery
The solar system as it is right now, in 3D, out to the galaxies of Laniakea: planets and moons from JPL, asteroids, spacecraft, satellites, the Sun and space weather, stars, constellations, exoplanet systems.
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TransientsComing next
Supernovae, novae, gamma-ray bursts, gravitational-wave events, neutrinos and comets, plus large earthquakes and Earth-impacting space weather, each one shown in the Orrery.
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Laser communications calculatorsPlanned
From unit conversions and Gaussian beams to telescope far fields, fiber coupling, pointing and acquisition, detectors, atmospheric propagation and full link budgets. Built to work in the field, on a phone.
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Constellation visualizerPlanned
Choose planes, inclinations, altitudes and satellites per plane; see the constellation round Earth, with the maximum inter-satellite distance and Doppler shift between planes.