| Observer |
|---|
| Name | Jamie J |
|---|
| Experience Level | 4/5 |
|---|
| Remarks | I’ve seen several fireballs over the years, but never heard a sonic boom. What a thrill. |
|---|
| Location |
|---|
| Address | Two Harbors, MN |
|---|
| Latitude | 47° 3' 41.43'' N (47.06°) |
|---|
| Longitude | 91° 38' 51.5'' W (-91.65°) |
|---|
| Elevation | 264.38m |
|---|
| Time and Duration |
|---|
| Local Date & Time | 2020-12-16 06:50 CST |
|---|
| UT Date & Time | 2020-12-16 12:50 UT |
|---|
| Duration | ≈3.5s |
|---|
| Direction |
|---|
| Moving direction | From up right to down left |
|---|
| Descent Angle | 192° |
|---|
| Moving |
|---|
| Facing azimuth | 149.27° |
|---|
| First azimuth | 53.13° |
|---|
| First elevation | 80° |
|---|
| Last azimuth | 143.92° |
|---|
| Last elevation | 35° |
|---|
| Brightness and color |
|---|
| Stellar Magnitude | -23 |
|---|
| Color | Light Yellow, White |
|---|
| Concurrent Sound |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
| Delayed Sound |
|---|
| Observation | Yes |
|---|
| Remarks | There was about an 6 or 7 second delay between the brightest flash and the boom. It rattled our windows a bit. |
|---|
| Persistent train |
|---|
| Observation | Unknown |
|---|
| Duration | - |
|---|
| Length | - |
|---|
| Remarks | - |
|---|
| Terminal flash |
|---|
| Observation | Yes |
|---|
| Remarks | There were several flashes, but the last one was by far the brightest. It appeared to remain intact as a single piece and burned out a second later. |
|---|
| Fragmentation |
|---|
| Observation | No |
|---|
| Remarks | - |
|---|
