Asteroid 2017 WT28
2017 WT28 is on NASA's Sentry list of objects that cannot yet be fully ruled out as future impactors.
Estimated size
8 m
about the size of a bus
Closest pass on record
—
Speed relative to Earth
4.5 km/s
Brightness (H)
28.08
Lower means larger
Past close approaches
Recorded passes within about 20 lunar distances since 1900.
No past close approaches in our records.