| Observer | |
|---|---|
| Name | Tommy B |
| Experience Level | 1/5 |
| Remarks | Just waking up and looked out 2nd story window. Have mattress on floor and saw the fireball high up in the window. Took a few seconds to determine what it was, then saw it breaking up into 2 streams. Ran downstairs and in backyard. No fireballs left, just the single contrail. |
| Location | |
|---|---|
| Address | Hillsboro, OR |
| Latitude | 45° 32' 52.68'' N (45.547967°) |
| Longitude | 122° 58' 8.95'' W (-122.969152°) |
| Elevation | 59.619m |
| Time and Duration | |
|---|---|
| Local Date & Time | 2018-07-31 05:55 PDT |
| UT Date & Time | 2018-07-31 12:55 UT |
| Duration | ≈7.5s |
| Direction | |
|---|---|
| Moving direction | From down to up |
| Descent Angle | - |
| Moving | |
|---|---|
| Facing azimuth | 352.55° |
| First azimuth | 355.72° |
| First elevation | 71° |
| Last azimuth | 177.63° |
| Last elevation | 89° |
| Brightness and color | |
|---|---|
| Stellar Magnitude | -20 |
| Color | Yellow, White |
| Concurrent Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Delayed Sound | |
|---|---|
| Observation | No |
| Remarks | - |
| Persistent train | |
|---|---|
| Observation | Yes |
| Duration | 99.99s |
| Length | 60° |
| Remarks | White smokey and thin, broken up into chunks of ribbon along the trajectory. |
| Terminal flash | |
|---|---|
| Observation | No |
| Remarks | - |
| Fragmentation | |
|---|---|
| Observation | Yes |
| Remarks | Saw the fireball moving and split into 2 distinct groups of fireball fragments. One group stayed on trajectory and the other seemed to move a little westerly of the trajectory |