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Live coverage: SpaceX to launch ride share mission with South Korean spy satellite, first Irish satellite

December 1, 2023
in Science
Live coverage: SpaceX to launch ride share mission with South Korean spy satellite, first Irish satellite
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A Falcon 9 rocket stands ready to launch the Korea 425 mission from SLC-4E at Vandenberg Space Force Base. Image: SpaceX

Kicking off the month of December for SpaceX is a Falcon 9 ride share mission with a payload of 25 spacecraft on board. The launch from Vandenberg Space Force Base is headlined by the Korea 425 mission.

The rocket is set to lift off from Space Launch Complex 4 East (SLC-4E) at 10:19 a.m. PST (1:19 EST, 1819 UTC). The launch is set to be the first of two missions SpaceX plans to launch over the weekend.

Spaceflight Now will have live coverage on Launchpad Live starting about 30 minutes before liftoff.

The booster for the mission, B1061, will be making its 17th flight after previously launching the Crew-1 and Crew-2 missions along with the fourth and fifth Transporter rideshare missions. This launch will also mark the first time a Falcon 9 first stage with more than 15 previous flight will support a non-Starlink mission.

Following launch, the booster is set to land back at Landing Zone 4 (LZ-4) at VSFB about eight-and-a-half minutes after liftoff.

Headlining the slate of 25 spacecraft on board the Friday morning launch is a satellite for South Korea’s Agency for Defense Development (ADD) and its 425 Project. It features a 30cm resolution electro-optic (EO) and infrared (IR) sensors.

A spokesperson for the agency told the press earlier this month that this will be the country’s first military spy satellite with four additional satellites launching by 2025.

Those additional four SAR (synthetic aperture radar) satellites are being developed by Thales Alenia Space in partnership with Aerospace Industries, LTD. and Hanwha Systems Corporation.

“Thales Alenia Space is honored to have earned the confidence of the Korean Ministry of Defense and other authorities involved in this project, who recognized our proven track record in delivering state-of-the-art observation satellites,” said Donato Amoroso, Senior Vice-President, Observation, Exploration and Navigation at Thales Alenia Space, in a 2018 statement.

The contact for the satellites is worth $930 million, per DefenseNews.

A rendering of one of four synthetic aperture radar (SAR) satellites being developed by Thales Alenia Space, Aerospace Industries and Hanwha Systems Corporation for South Korea’s Agency for Defense Development. Graphic: Thales Alenia Space

According to a 2022 report in The JoongAng, the satellite launching on Friday along with the four SAR satellites will launch to an orbit between 600 and 700 km above the Earth’s surface and are designed to monitor North Korea every two hours.

The mission launch comes on the heels of North Korea’s claims that it successfully launched its own spy satellite on Nov. 21, an action that was condemned by several nations, including the United States. The U.S. National Security Council spokesperson Adrienne Watson said the launch using ballistic missile technology was “a brazen violation of multiple UN Security Council resolutions,” adding that it “risks destabilizing the security situation in the region and beyond.”

Along for the ride

In addition to the EO/IR satellite for South Korea, SpaceX said there are 25 additional spacecraft hitching a ride on the Falcon 9 rocket.

While it doesn’t give an exhaustive list, it does name the following payloads:

Space BD’s ISL48
SITAEL’s uHETSat
D-Orbit’s ION SCV Daring Diego
York Space Systems’ Bane
PlanetiQ’s GNOMES-4

SITAEL S.p.A.’s uHETSat is a MicroSat mission supported by the European Space Agency (ESA). It features an electric propulsion system known as a Hall Effect Thruster and is powered by xenon propellant.

ESA said in statement, the satellite will start at a 550 km altitude orbit and “the goal is to achieve at least 1,000 ignition cycles and a single ignition to surpass 600 seconds.”

An innovative compact electric propulsion system from @SITAELspa been cleared to fly on the @ESA-supported µHETSat technology demonstration microsatellite mission, due to launch by year’s end https://t.co/rNVFq4nj2G pic.twitter.com/oT8NTTs5qj

— ESA Technology (@ESA_Tech) June 27, 2023

According to a Nov. 9, 2023, Federal Communications Commission (FCC) filing, the Satellite Programs and Policy Division gave PlanetiQ permission to deploy its GNOMES-4 satellite beret 505 and 545 km at an inclination between 97 and 98 degrees. 

It’s allowed “to operate GNOMES-4 at altitudes from approximately 525 kilometers down to approximately 430 km, and with an inclination of 97.6 degrees (+/- 0.5 degrees) in sun-synchronous orbit, allowing for natural orbital decay.”

An ESA writeup of previous GNOMES constellation satellites describes them as “first commercial constellation of GNSS-RO (Global Navigation Satellite System-Radio Occultation) weather satellites.” It notes that there are 20 such satellites planned for the constellation.

GNOMES stands for GNSS Navigation and Occultation Measurement Satellites. The first of these launched back in August 2020 and they’re manufactured by Blue Canyon Technologies in Boulder, Colorado.

Geometry of a typical GNSS-RO event and resulting data products derived from the technique. Graphic: PlanetiQ

Other payloads flying on the mission include KOYOH, a MicroSat from Kanazawa University in Japan and Ireland’s first satellite, a 2U CubeSat called EIRSAT-1 (Educational Irish Research Satellite) built by students and faculty at University College Dublin.

A rendering of the mission patch for this launch. Graphic: SpaceX

>>> Read full article>>>
Copyright for syndicated content belongs to the linked Source : Spaceflight Now – https://spaceflightnow.com/2023/12/01/live-coverage-spacex-to-launch-ride-share-mission-with-south-korean-reconnaissance-satellite-first-irish-satellite/

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