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NASA's Juno Spacecraft Burns for Jupiter

posted by CoolHand on Friday February 05 2016, @11:08PM   Printer-friendly
from the juno-we-post-the-best-stories dept.

Phoenix666 writes:

NASA's solar-powered Juno spacecraft successfully executed a maneuver to adjust its flight path [on] Feb. 3. The maneuver refined the spacecraft's trajectory, helping set the stage for Juno's arrival at the solar system's largest planetary inhabitant five months and a day from now.

"This is the first of two trajectory adjustments that fine tune Juno's orbit around the sun, perfecting our rendezvous with Jupiter on July 4th at 8:18 p.m. PDT [11:18 p.m. EDT]," said Scott Bolton, Juno principal investigator at the Southwest Research Institute in San Antonio.

The maneuver began at 10:38 a.m. PST (1:38 p.m. EST). ). The Juno spacecraft's thrusters consumed about 1.3 pounds (0.6 kilograms) of fuel during the burn, and changed the spacecraft's speed by 1 foot (0.31 meters), per second. At the time of the maneuver, Juno was about 51 million miles (82 million kilometers) from Jupiter and approximately 425 million miles (684 million kilometers) from Earth. The next trajectory correction maneuver is scheduled for May 31.

Juno was launched on Aug. 5, 2011. The spacecraft will orbit the Jovian world 33 times, skimming to within 3,100 miles (5,000 kilometers) above the planet's cloud tops every 14 days. During the flybys, Juno will probe beneath the obscuring cloud cover of Jupiter and study its aurorae to learn more about the planet's origins, structure, atmosphere and magnetosphere.

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  • (Score: 4, Interesting) by takyon on Saturday February 06 2016, @01:43AM

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Saturday February 06 2016, @01:43AM (#299690) Journal

    Better yet, we need orbiters using laser communication. That 1 Kbps connection to New Horizons can be greatly improved:

    http://www.kurzweilai.net/nasa-engineers-to-build-first-integrated-photonics-modem [kurzweilai.net]

    LCRD, expected to begin operations in 2019, promises to transform the way NASA sends and receives data, video and other information. It will use lasers to encode and transmit data at rates 10 to 100 times faster than today’s communications equipment, requiring significantly less mass and power.

    Such a leap in technology could deliver video and high-resolution measurements from spacecraft over planets across the solar system — permitting researchers to make detailed studies of conditions on other worlds, much as scientists today track hurricanes and other climate and environmental changes here on Earth.

    A payload aboard the Lunar Atmosphere and Dust Environment Explorer (LADEE) demonstrated record-breaking download and upload speeds to and from lunar orbit at 622 megabits per second (Mbps) and 20 Mbps, respectively, in 2013 (see “NASA laser communication system sets record with data transmissions to and from Moon“).

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