The best way to describe it was it looked like a single firework going off (upside down & no explosion) at a distance of approx .5 mile from where I was driving.
Location
Address
Holladay, UT
Latitude
40° 39' 6.45'' N (40.651793°)
Longitude
111° 50' 5.73'' W (-111.834926°)
Elevation
1341.874268m
Time and Duration
Local Date & Time
2018-11-26 23:09 MST
UT Date & Time
2018-11-27 06:09 UT
Duration
≈1.5s
Direction
Moving direction
From up right to down left
Descent Angle
206°
Moving
Facing azimuth
-
First azimuth
-
First elevation
52°
Last azimuth
-
Last elevation
33°
Brightness and color
Stellar Magnitude
-15
Color
Light Green, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
10°
Remarks
Very bright. Looked almost like the streak of a firework, before the explosion occurs.