Main Parameters of Millimetron Mission

Antenna diameter 10 m
Antenna construction  

solid, deployable and adjustable in orbit

Antenna surface accuracy (wave front error)             
6 μm RMS
Antenna surface temperature  < 10 K, mechanically cooled
Wavelength coverage 10 mm – 70 μm
Orbit Halo round Lagrangian L2 & Moon gravity assist  transit to elliptical orbit
Operational life time 10 year, including cryo >3 years
Two observing modes & instrumentation  Space Earth-VLBI 10 – 0.5 mm wavelength
Single dish 3 - 0.07 mm wavelength
Provisional launch date 2029
Mission status Approved by Russian Space agency