I was driving west on I-70 when I sighted the fireball. I think this factor makes my answers seem skewed. After it was "behind" me I kept glancing back to see the smoke trail.
Location
Address
-
Latitude
39° 39' 16.21'' N (39.654502°)
Longitude
106° 54' 35.91'' W (-106.909974°)
Elevation
1946.989624m
Time and Duration
Local Date & Time
2019-02-07 18:02 MST
UT Date & Time
2019-02-08 01:02 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
145°
Moving
Facing azimuth
180°
First azimuth
180°
First elevation
70°
Last azimuth
180°
Last elevation
37°
Brightness and color
Stellar Magnitude
-17
Color
Purple, Pink, Light Blue, Light Yellow
Concurrent Sound
Observation
Unknown
Remarks
-
Delayed Sound
Observation
Unknown
Remarks
-
Persistent train
Observation
Yes
Duration
10s
Length
7°
Remarks
It was smokey and a light glowing; it was a zig-zag smoke trail
