Mars 2

The Mars 2 was an unmanned space probe of the Mars program, a series of unmanned Mars landers and orbiters launched by the Soviet Union in the early 1970s. Mars 2 and Mars 3 missions consisted of identical spacecraft, each with an orbiter and an attached lander, they were launched by Proton K heavy launch vehicle with a Blok D upper stage. The lander of Mars 2 became the first man-made object to reach the surface of Mars.

• Launch Date/Time:
  • Mars 2: 1971-05-19 at 16:22:44 UTC
• Launch mass (including fuel):
  • Combined: 4,650 kg (10,300 lb)
  • Orbiter: 3,440 kg (7,600 lb)
  • Lander: 1,210 kg (2,700 lb)
• On-orbit dry mass: 2,265 kg (4,990 lb)
• Dimensions: 4.1 m (13.5 ft) tall, 2 m (6.6 ft) across (5.9 m (19.4 ft) across with solar panels deployed)