The Virtual Telescope Project is hosting a free livestream of comet C/2022 E3 (ZTF) near Mars on Saturday (Feb. 11) starting at 2:00 p.m. EST (1900 GMT).
Asteroid 2023 BU will pass Earth at a distance of 2,178 miles (3,506 kilometers) on Thursday (Jan. 26) — closer than satellites in geostationary orbit.