Two old satellites could collide over US, space debris tracker warns

Two satellites could potentially collide just above Pittsburgh on Wednesday, according to space debris tracker LeoLabs. IRAS (13777), a decommissioned space telescope launched in 1983, and GGSE-4 (2828), an experimental US payload launched in 1967, will pass incredibly close to each other at a relative velocity of 14.7 km/s, LeoLabs said in a tweet Monday. More

(Source: CNET - Jan 28)