LEMUR-2-DAYWZAGOODDAY is a CubeSat (3U) satellite built by SPIREG and owned by Spire. It was launched on September 28, 2020, from the Plesetsk Launch Site (LC43/4) using a Soyuz-2-1B launch vehicle. The satellite has dimensions of 0.3 meters in length and diameter, with a dry mass of 4.6 kg. It is equipped with GPS radio occultation payload STRATOS, AIS-receiver SENSE, and ASD-B payload AirSafe (starting from #78). LEMUR-2-DAYWZAGOODDAY is powered by solar cells and batteries and has a box-shaped design with two panels. The satellite's purpose involves collecting various data for its owner Spire.