Plasma Powered Amateur Radio Satellite PROITERES Launched

The Japanese amateur radio satellite PROITERES was launched Sunday, September 9 at 0423 UT on PSLV-C21 from the Indian Space Research Organisation (ISRO) Satish Dhawan space centre. The satellite SPOT6 was on the same launch into a 654 km × 643 km, 98.28º inclination orbit. The rocket was fitted with the mini Redundant Strapdown Inertial Navigation System (mRESINS).

PROITERES was built by a team of students and faculty members of Osaka Institute of Technology (OIT) and the spacecraft aims to demonstrate powered flight using a Pulsed Plasma Thruster (PPT) engine.

Mike Rupprecht DK3WN reported hearing PROITERES, callsign JL3YZK, on 437.485 MHz at 07:36 UT.

PROITERES stands for PRoject of OIT Electric-Rocket-Engine Onboard Small Space Ship and transmits on 437.485 MHz FM/AFSK. The spacecraft carries a high-resolution camera and the two CPU’s run the Linux operating system.

Watch Reception of the PROITERES satellite by Nick Pugh K5QXJ

Watch ISRO’s 100th mission to space – NewsX

Watch ISRO’s 100th Mission [PSLV-C21] being readied to launch PROITERES

ISRO’s 100th Mission

PROITERES paper presented at the 32nd International Electric Propulsion Conference

The PROITERES Google English website contains the most up-to-date information see

There is also an English language website at

Twitter (Japanese)

Keplerian Two Line Elements (KEPS / TLEs):

1 00000U 12000000 12253.19548611  .00000000  00000-0  00000-0 0 00000
2 00000 098.2866 318.6661 0007529 339.8320 229.4493 14.73777833 00000

Keplerian Two Line Elements (TLEs / KEPS) for new satellites launched in past 30 days

SimpleSat Look Down satellite tracking software

Gpredict real-time satellite tracking and orbit prediction software

Orbitron satellite tracking

N2YO Online Real Time Satellite Tracking

Getting started on amateur radio satellites

Thanks to Mineo Wakita JE9PEL for posting information on this satellite.