SFERA 2 is a satellite with the NORAD catalog ID of 42913 and object identifier 1998-067NC, operated by RKKE (Russian Space Systems). Launched on November 20, 1998, from LC31 at TYMSC using a Soyuz-2-1A launch vehicle, it has the alternative name TS530-Zerkalo. Its mission is to measure atmosphere density, and its configuration consists of a 53 cm sphere weighing 8 kg both in dry mass and launch mass. It does not carry any equipment, power source, or motor. The satellite's shape is spherical with no additional information provided about major events, transmitter frequencies, or materials used. Its lifespan was expected to be around three months.