Many eyewitnesses along the coasts of Virginia, Maryland, Delaware, New Jersey, and New York reported seeing a bright fireball around 4:57 PM Eastern Standard Time (2018 December 10 21:57 UTC). Analysis of these reports place the first sighting of the meteor at an altitude of 52 miles above the Delaware town of Harbeson, moving a bit north of east at 60,000 miles per hour. The object ablated 45 miles above the Atlantic Ocean, 30 miles to the southeast of Atlantic City. No videos of this event have surfaced as of this time.
| Event ID | 20181210-215700 |
| Date (UTC) | Dec. 10, 2018 |
| Time (UTC) | 21:57:00 |
| AMS Event | 5480-2018 |
| Chicken Little Start Lat/Lon | +38.744, -75.292 |
| Chicken Little End Lat/Lon | +39.026, -74.078 |
| Chicken Little Altitude | 84.1 km → 73.5 km ( 52.3 miles→ 45.7 miles) |
| Chicken Little Speed | 26.9 km/s (60,200 mph) |