The Falcon 9 lifted off from Space Launch Complex 40 at Cape Canaveral, Florida, at 2:35 p.m. Eastern. The rocket’s booster, flying its eighth mission, landed back at Cape Canaveral’s Landing Zone One eight and a half minutes after liftoff.

The Transporter-5 mission carried 59 payloads, which SpaceX described as satellites, orbital transfer vehicles, and non-deploying hosted payloads. The latter included Nanoracks’ Outpost Mars Demo 1 experiment to test technologies for cutting into upper stages.

Among the satellites that Transporter-5 deployed into sun-synchronous orbit, rideshare aggregator Exolaunch accounted for 21 satellites, including satellites for Iceye, Satellogic, and Spire. Smallsat manufacturer Terran Orbital flew satellites for several customers, such as Fleet, GeoOptics, and NASA.

Other companies that had satellites on Transporter-5 are HawkEye 360, which flew another cluster of three radio-frequency intelligence satellites; GHGSat, which launched three satellites to monitor greenhouse gas emissions; and Umbra, which launched a synthetic aperture radar imaging satellite.

The mission carried several orbital transfer vehicles, including the first from Momentus. Its Vigoride-3 tug carried payloads for two customers, FOSSA Systems and Orbit NTNU, but is principally a technology demonstration of the draw itself and its propulsion system, which uses a microwave technology electrothermal thruster (MET).

“Testing the MET on this first Vigoride flight is one of the important tasks that we plan to conduct as we continue to refine and improve its performance,” John Rood, chief executive of Momentus, said in a statement after the launch. The launch marked a culmination of technical development of the tug and securing regulatory approvals after the government blocked two attempts to fly a Vigoride draw last year on other Transporter rideshare missions.

D-Orbit flew its tug and Ion Satellite Carrier mission called Infinite Blue on Transporter-5. The draw will deploy two CubeSat payloads and support two hosted payloads.

Spaceflight flew its Sherpa-AC vehicle on Transporter-5 as well. That version of Sherpa includes augmented attitude control capabilities that the company says make it well-suited for flying hosted payloads. This vehicle carried two hosted payloads as well as three smallsats.

Transporter-5 was SpaceX’s fifth dedicated smallsat rideshare mission and the third this year, after Transporter-3 in January and Transporter-4 in April. The next rideshare mission, Transporter-6, is scheduled for October.

Demand for those missions remains strong. “SpaceX rideshare is getting fully booked,” said Max Haot, chief executive of Launcher, during a panel at Space Tech Expo here on May 25. His company is developing its orbital transfer vehicle, Orbiter, that will make its first flight on Transporter-6.

The Launcher has booked Orbiter flights on several more Transporter missions in 2023, and he said those future Transporter missions are already filling up.
Orbital transfer vehicles can help bridge the gap, he said, between pure rideshare missions where payloads have little or no control on the orbit they’re placed in and dedicated smallsat launches like Rocket Lab’s Electron, which offers greater control but at a higher price. “We’ll be able to make SpaceX rideshare more useful.”

Lars Hoffman, senior vice president of global launch services at Rocket Lab, acknowledged that Electron costs more than a SpaceX rideshare but took issue with Hart’s claim the difference was a factor of 10. Rocket Lab has charged up to $10 million for an Electron launch, in the case of the upcoming NASA CAPSTONE lunar CubeSat mission, although some commercial launches are less expensive. SpaceX currently charges $1.1 million for 200 kilograms of rideshare payload.

“They are more expensive because we are offering a service that delivers the payloads exactly where they want to go when they want to be there, and that’s where the customers will pay a premium,” he said on the panel. “There’s not a 10 times differential in price, though.”

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Alice is the Chief Editor with relevant experience of three years, Alice has founded Galaxy Reporters. She has a keen interest in the field of science. She is the pillar behind the in-depth coverages of Science news. She has written several papers and high-level documentation.


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