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You are here: Home / News / ThrustMe’s Iodine Propulsion System Launched Aboard Spacety’s Smallsat

ThrustMe’s Iodine Propulsion System Launched Aboard Spacety’s Smallsat

November 6, 2020 by editorial

ThrustMe and Spacety have announce that the BEIHANGKONGSHI-1 satellite, carrying the world’s first iodine electric propulsion system, was successfully launched into space on a CZ-6 Long March 6 rocket from Taiyuan in China on the November 6 at 04:20 a.m. (Paris time).

In-space propulsion is becoming a critical subsystem, particularly for satellite constellations, for which high-performance, turnkey, and streamlined solutions are important to ensure economic and environmental sustainability of the space industry. The use of smallsats operating not individually, but as part of a constellation, has changed the way the industry designs, manufactures, launches and operates satellites.

Propulsion systems available for these satellites have, so far, been too complex, too expensive, or had insufficient performance to provide full constellation deployment capabilities, and new innovative propulsion solutions are needed. The BEIHANGKONGSHI-1 satellite includes a ThrustMe NPT30-I2 electric propulsion system which uses iodine propellant.

Iodine can be stored as a solid and does not require any complex or costly high-pressure storage tanks like conventional gaseous propellants such as xenon. This also means that the propulsion system can be delivered pre-filled, which greatly simplifies satellite integration and testing.

Considering the high production cost of xenon, and the predicted supply problems to meet growing demands from satellite constellations, iodine is seen as an important next-generation propellant to enable sustainability of the space industry.

The demonstration of ThrustMe’s NPT30-I2 on Spacety’s BEIHANGKONGSHI-1 satellite will lead to a significant commercial collaboration between the two companies.

Spacety BEIHANGKONGSHI-1 satellite.

Synthetic Aperture Radar (SAR) uses a special radar antenna to create 2D or 3D reconstructions of landscapes or cities, both day and night, rain or shine. By making use of a constellation, global coverage can be obtained with fast refresh rates ideal for remote sensing and mapping, and particularly disaster management. As smallsagt constellations are often launched together in batches, onboard propulsion is critical to allow deployment of the constellation into its required global operational pattern, and to provide orbit maintenance over time.

The development of the NPT30-I2 flight model used on this demonstration mission was funded via the European Space Agency (ESA) ARTES C&G program. ThrustMe’s prior research and development of iodine technology has been supported by the French state via SATT Paris-Saclay, BPIFrance I-LAB and the Centre National d’Études Spatiales (CNES) R&T program.

BEIHANGKPNGSHI-1 is the first 12U satellite developed and launched by Spacety and is also the first space mission of the new Spacety satellite platform with advanced modules improved on designs with rich space heritage. The satellite platform is equipped with batteries of 400 Wh and a solar panel of nearly 100 W to support payloads with high power consumption and duty cycle.

The satellite has the capability to accommodate payloads of large range of different power requirement with a patented thermal radiator. The area of radiating surface is controllable according to the satellite thermal control need. BEIHANGKPNGSHI-1 is the first technology demonstration mission in China to demonstrate the technology for automatic airplane tracking and will validate and demonstrate key technologies for multi-beam and multi-channel ADS-B system.

An ADS-B over satellite system has the characteristics of continuous global coverage, dynamic tracking, real-time communication, and precise intervention. It can provide information services such as communication, navigation, and surveillance for a wide range of aviation users, and enhance the capabilities of existing air traffic control systems.

This flight demonstration will benefit the development of national airspace and aviation industry in general. On board BEIHANGKPNGSHI-1, there are other payloads, such as NPT30-I2 electric propulsion system, an experiment of GRID Plan, and more.

Executive Comments

Ane Aanesland

“Iodine is a game changer, and with this mission, we will demonstrate it for the first time,” said ThrustMe’s CEO, Ane Aanesland. “

“Last year, we tested critical technologies for iodine storage, delivery, and sublimation, on Spacety’s Xiaoxiang 1(08) satellite as part of an in-orbit demonstration of our I2T5 iodine cold gas thruster. This time, we will test the full capabilities of our NPT30-I2 electric propulsion system and carry out a number of advanced orbital maneuvers,” said ThrustMe’s CTO, Dmytro Rafalskyi.

Feng Yang,

“We consider ThrustMe’s NPT30-I2 iodine electric propulsion to be a very promising technology to meet the propulsion requirements of our SAR constellation. We have already ordered several of ThrustMe’s NPT30-I2 propulsion systems for our upcoming Synthetic Aperture Radar constellation that we will start deploying this year,” added Feng Yang, Founder and CEO at Spacety.

“On-orbit demonstration is a critical step for a new space product to enter the space market. We have been very pleased with the win-win collaboration with ThrustMe on the quick and flexible demonstration mission, and are looking forward to future collaborations,” noted James Zheng, CEO of Spacety Luxembourg.

Filed Under: News

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