NASA’s Classification Apollo NEO| H (mag) 28.5 | Closest Approach To Earth December 18, 2020 06:41 UTC – 12:16 AM | Detected 2020 | Estimated Size of the Asteroid 5.3 – 12 meters – 40 Feet | Velocity 4.96 km/s – 13,265 MPH | Closest Distance 0.15 LD – 35,323 Miles | Threat Low – A hit is unlikely